CN117564501A - Method and system for cutting veneer by laser - Google Patents

Abstract

The invention discloses a method and system for laser cutting veneer, wherein the method includes: obtaining veneer information data and cutting process parameters; using fireworks algorithm to perform laser cutting path planning processing based on the veneer information data to obtain optimized laser cutting Path; use the veneer information data to calculate the laser cutting speed based on the optimized laser cutting path; optimize the cutting process parameters based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters; the laser cutting equipment is based on the optimized laser The cutting path, laser cutting speed and optimized cutting process parameters are used to cut the veneer to obtain the cut veneer; perform quality inspection on the cut veneer and generate a quality inspection report. The invention can not only effectively improve the efficiency of laser cutting veneer, but also ensure the stability of laser cutting and reduce the impact of process conditions on laser cutting.

Description

A method and system for laser cutting veneer

Technical field

The present invention relates to the field of computer technology, and in particular to a method and system for laser cutting veneer.

Background technique

With the development of customized veneer and the expansion of demand, the manual cutting of veneer can no longer meet the market's requirements for veneer cutting. Nowadays, most companies use laser cutting to cut veneer. Laser cutting of veneer can not only solve the problem of manual cutting. The problem of over-reliance on operator skills can effectively improve the efficiency of veneer cutting. However, the existing laser cutting veneer technology still needs improvement. The existing laser cutting veneer technology does not take into account the optimization of process parameters and may be affected by The influence of cutting process conditions and changes in the surrounding environment makes it difficult to guarantee the stability of cutting. Moreover, because the laser cutting speed will be affected by the thickness of the veneer, it is necessary to accurately plan the cutting path and cutting speed to ensure the quality and efficiency of cutting. This requires Only by improving the above problems can the competitiveness of veneer products in the market be improved.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art. The present invention provides a method and system for laser cutting veneer, which can not only effectively improve the efficiency of laser cutting veneer, but also ensure the stability of laser cutting and reduce the impact of process conditions on Effects of laser cutting.

In order to solve the above technical problems, the present invention provides a method for laser cutting veneer, which method includes:

Obtain veneer information data and cutting process parameters;

Based on the veneer information data, the fireworks algorithm is used to perform laser cutting path planning processing to obtain an optimized laser cutting path;

Calculate laser cutting speed based on the optimized laser cutting path using the veneer information data;

Optimize the cutting process parameters based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters;

The laser cutting equipment cuts the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters to obtain the cut veneer;

Conduct quality inspection on the cut veneer and generate a quality inspection report.

Optionally, the obtaining of veneer information data and cutting process parameters includes:

The veneer information data is collected based on the data collection sensor device, where the veneer information data includes: veneer type, veneer thickness and veneer size;

The cutting process parameters are extracted based on the preset cutting process parameter table, where the cutting process parameters include: cutting power, focal length and cutting power stability.

Optionally, the fireworks algorithm is used to perform laser cutting path planning processing based on the veneer information data to obtain an optimized laser cutting path, including:

The laser cutting path starting point and the laser cutting path end point are set based on the veneer information data, and several laser cutting paths are generated based on the laser cutting path starting point and the laser cutting path end point, and the several laser cutting paths are used as the initial fireworks group, where, Each laser cutting path serves as a firework in the initial firework group;

The initial fireworks population is calculated based on the explosion operator and the Gaussian operator to obtain mutant sparks, where the mutant sparks include: explosion sparks and Gaussian sparks;

Use a selection algorithm to generate a new fireworks group based on the mutated sparks, calculate the fitness of each firework in the new firework group, and select the two fireworks with the largest fitness to generate a fireworks particle group;

Perform mutation processing on the population of fireworks particles to obtain a population of mutant fireworks particles, and calculate the objective function value of the population of mutant fireworks particles;

Determine whether the objective function value of the mutant fireworks particle population is greater than the preset threshold. If the objective function value of the mutant fireworks particle population is greater than the preset threshold, then calculate the fitness of each firework in the mutant fireworks particle population, and select the one with the largest fitness Fireworks are used as the optimized laser cutting path; if the objective function value of the mutant particle population is less than or equal to the preset threshold, the mutant fireworks particle population will be used as the initial fireworks population to re-iterate to the preset number of iterations.

Optionally, the initial fireworks population is calculated based on explosion operators and Gaussian operators to obtain mutant sparks, including:

Use a heuristic algorithm to calculate the initial fireworks population based on the explosion operator to obtain explosion sparks;

The explosion spark is subjected to displacement and mutation processing based on a Gaussian operator to obtain a Gaussian spark.

Optionally, calculating the laser cutting speed using the veneer information data based on the optimized laser cutting path includes:

Segment the optimized laser cutting path to obtain several laser cutting path segments;

Obtain the starting point of the segment path, the midpoint of the segmented path and the end point of the segmented path in each laser cutting path segment, and obtain the starting point of the segmented path, the midpoint of the segmented path and the segmented path based on the veneer information data The thickness of the veneer corresponding to the end point of the path;

For each laser cutting path segment, calculate the corresponding segment cutting speed using the segment path starting point, segment path midpoint and segment path end point and the corresponding veneer thickness;

The laser cutting speed is calculated based on all laser cutting path segments and the corresponding segment cutting speeds.

Optionally, for each laser cutting path segment, the corresponding segment cutting speed is calculated using the segment path starting point, segment path midpoint, segment path end point and corresponding veneer thickness, including:

For each laser cutting path segment, calculate the first inflection point speed using the starting point of the segmented path and the veneer thickness corresponding to the starting point of the segmented path;

For each laser cutting path segment, calculate the tangential velocity using the segmented path midpoint and the veneer thickness corresponding to the segmented path midpoint;

For each laser cutting path segment, calculate the second inflection point speed using the segmented path end point and the veneer thickness corresponding to the segmented path end point;

The segment cutting speed corresponding to each laser cutting path segment is calculated based on the first inflection point speed, the tangential speed and the second inflection point speed.

Optionally, the cutting process parameters are optimized based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters, including:

Perform initialization processing based on the cutting process parameters to obtain a cuckoo population, where the cuckoo population contains several initial nests;

Calculate the fitness values of all initial nests in the cuckoo population;

Based on the Levy flight algorithm, several initial nests are updated to obtain several updated nests, and the fitness values of all updated nests are calculated;

Sort all initial nests in ascending order according to the fitness value of the initial nest, and sort all updated nests in ascending order according to the fitness value of the updated nest;

Compare all initial nests with all updated nests based on ascending order. If the fitness value of the updated nest is greater than the initial nest, replace the initial nest with the updated nest. If the fitness value of the updated nest is less than or equal to the initial nest, replace the initial nest. No replacement is required. After comparing and replacing all initial nests and updated nests, a new cuckoo population is obtained;

The nests in the new cuckoo population are updated, compared and replaced to the preset number of iterations to obtain the optimized cuckoo population. The nest with the largest fitness value in the optimized cuckoo population is used as the optimized cutting process parameter.

Optionally, the laser cutting equipment cuts the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters to obtain the cut veneer, including:

The robotic arm is used to grab the wood veneer to the work surface of the laser cutting equipment;

The laser cutting equipment is adjusted based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters. The adjusted laser cutting equipment calibrates and cuts the veneer on the work surface to obtain the cut veneer.

Optionally, perform quality inspection on the cut veneer and generate a quality inspection report, including:

Obtain the cut veneer image, compare the cut veneer image with the template image, and obtain the comparison result;

Measure the dimensions of the cut veneer based on the measuring equipment to obtain the dimensional measurement results;

The comparison results and the dimensional measurement results are inspected based on preset standards to obtain quality inspection results, and a preset script is used to generate a quality inspection report based on the quality inspection results.

In addition, the present invention also provides a system for laser cutting veneer, which system includes:

Data acquisition module, used to obtain veneer information data and cutting process parameters;

A cutting path planning module is used to perform laser cutting path planning processing using a fireworks algorithm based on the veneer information data to obtain an optimized laser cutting path;

A cutting speed calculation module, used to calculate the laser cutting speed based on the optimized laser cutting path;

A process parameter optimization module, used to optimize the cutting process parameters based on a multi-objective cuckoo algorithm to obtain optimized cutting process parameters;

A cutting module is used for the laser cutting equipment to cut the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and obtain the cut veneer;

The quality inspection module is used to conduct quality inspection on the cut veneer and generate a quality inspection report.

In the embodiment of the present invention, the fireworks algorithm is used for laser cutting path planning. The fireworks algorithm can conduct a wide range of searches, so that the path planning can search for the optimized cutting path faster, thereby speeding up path planning and making it more accurate. Plan the laser cutting path and calculate the laser cutting speed based on the planned laser cutting path. Add the veneer thickness and cutting path to the calculation of the cutting speed to ensure the quality and efficiency of laser cutting. Use the multi-objective cuckoo algorithm to calculate the cutting process parameters. Optimize to avoid laser cutting being affected by changes in cutting process conditions and surrounding environment and ensure the stability of cutting. It can not only effectively improve the efficiency of laser cutting veneer, but also ensure the stability of laser cutting and reduce the impact of process conditions on laser cutting. .

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic flow chart of a method for laser cutting veneer in an embodiment of the present invention;

Figure 2 is a schematic structural diagram of a laser cutting veneer system in an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Embodiment 1

Please refer to FIG. 1 , which is a schematic flow chart of a method for laser cutting veneer in an embodiment of the present invention.

As shown in Figure 1, a method for laser cutting veneer includes:

S11: Obtain veneer information data and cutting process parameters;

In the specific implementation process of the present invention, the obtaining of veneer information data and cutting process parameters includes: collecting veneer information data based on data collection sensor equipment, wherein the veneer information data includes: veneer type, veneer thickness and veneer size; based on The preset cutting process parameter table extracts cutting process parameters, where the cutting process parameters include: cutting power, focal length, and cutting power stability.

Specifically, data acquisition sensor equipment is used to collect veneer type, veneer thickness and veneer size. Only after obtaining accurate veneer information data can the subsequent processing be continued; the corresponding cutting process parameters are extracted from the preset cutting process parameter table, and the cutting process is There is a corresponding dictionary table in the parameter table, so that cutting process parameters such as cutting power, focal length and cutting power stability can be obtained.

S12: Use the fireworks algorithm to perform laser cutting path planning processing based on the veneer information data to obtain an optimized laser cutting path;

In the specific implementation process of the present invention, using the fireworks algorithm to perform laser cutting path planning processing based on the veneer information data to obtain an optimized laser cutting path includes: setting the laser cutting path starting point and the laser cutting path end point based on the veneer information data , and generate several laser cutting paths based on the starting point of the laser cutting path and the end point of the laser cutting path, and use the several laser cutting paths as the initial fireworks group, where each laser cutting path is used as a firework in the initial fireworks group; based on explosion operator and Gaussian operator to calculate the initial fireworks population to obtain mutant sparks, where the mutant sparks include: explosion sparks and Gaussian sparks; a selection algorithm is used to generate a new fireworks population based on the mutant sparks, and the new fireworks are calculated According to the fitness of each firework in the fireworks group, select the two fireworks with the largest fitness to generate a population of fireworks particles; perform mutation processing on the population of fireworks particles to obtain a population of mutant fireworks particles, and calculate the objective function of the population of mutant fireworks particles value; determine whether the objective function value of the mutant fireworks particle population is greater than the preset threshold, where, if the objective function value of the mutant fireworks particle population is greater than the preset threshold, then calculate the fitness of each firework in the mutant fireworks particle population, and add the fitness The largest fireworks are used as the optimized laser cutting path; if the objective function value of the mutant particle population is less than or equal to the preset threshold, the mutant fireworks particle population is used as the initial fireworks population and the iteration process is re-processed to the preset iteration number.

Further, calculating the initial fireworks population based on explosion operators and Gaussian operators to obtain mutation sparks includes: using a heuristic algorithm to calculate the initial fireworks population based on explosion operators to obtain explosion sparks; The Gaussian operator performs displacement and mutation processing on the explosion spark to obtain Gaussian spark.

Specifically, the laser cutting path starting point and the laser cutting path end point are set according to the veneer size and veneer type in the veneer information data, and several laser cutting paths are randomly generated according to the laser cutting path starting point and the laser cutting path end point, and the several laser cutting paths are used as Initial fireworks group, in which each laser cutting path is regarded as a firework in the initial fireworks group, and each firework in the initial fireworks group represents a feasible solution; the initial fireworks group is calculated using a heuristic algorithm based on the explosion operator , randomly select a node in the initial fireworks group as the location of the fireworks explosion, select four directions of up, down, left, and right and a random direction as the explosion direction, determine the explosion radius, and calculate the explosion intensity according to the heuristic algorithm. According to the explosion position and direction , radius and intensity are substituted into the explosion spark expression for calculation to obtain the explosion spark. The calculation of the explosion spark is a search process for the fireworks group to avoid the algorithm falling into a local optimum; the explosion spark is displaced and mutated based on the Gaussian operator. , select a preset dimension for the explosion spark, perform Gaussian mutation on the explosion spark according to the selected dimension, and map the explosion spark to a Gaussian distribution with a mean of one and a variance of one. After mapping the explosion spark to the feasible region of the Gaussian distribution , to obtain Gaussian sparks, the purpose of displacing and mutating explosion sparks is to enhance the diversity of fireworks groups and obtain better feasible solutions; use the selection algorithm to generate new fireworks groups based on the mutated sparks, and calculate the selected number of each mutated spark. Probability, calculate the cumulative probability based on the probability of being selected. After calculating the cumulative probabilities of all individuals, select mutant sparks with greater cumulative probability according to the preset ratio to generate a new fireworks population, and calculate the adaptation of each firework in the new fireworks population. Calculate the initial fitness for each firework through the fitness function. The fitness function is a function that can express the fitness in mathematical form. The initial fitness is scaled to obtain the final fitness. Select the one with the largest fitness. Two fireworks generate a population of fireworks particles; perform mutation processing on the population of fireworks particles, mutate a certain bit in the data sequence in the population of fireworks particles, and negate the corresponding bits of the individual fireworks that perform the mutation to obtain the mutant fireworks. Particle group, the purpose of mutating the fireworks particle group is to ensure that the algorithm will not fall into the local optimal solution, and to calculate the objective function value of the mutated fireworks particle group; to determine whether the objective function value of the mutated fireworks particle group is greater than the preset threshold, If the objective function value is greater than the preset threshold, the fitness of each firework in the mutant firework particle population is calculated. Each firework is also calculated based on the fitness function, and the calculated initial fitness is scaled to obtain each firework. According to the fitness of each firework, the firework with the highest fitness will be used as the optimized laser cutting path; if the objective function value is less than or equal to the preset threshold, the mutant firework particle population will be used as the new initial firework population and the above process will be re-processed to the preset number of iterations. , to obtain the final optimized laser cutting path, and use the fireworks algorithm for laser cutting path planning, which can plan the laser cutting path more accurately. Using the fireworks algorithm can conduct a wide range of searches through its explosive sparks and Gaussian sparks, making the path planning possible. Search for optimized cutting paths faster for faster path planning.

S13: Calculate the laser cutting speed using the veneer information data based on the optimized laser cutting path;

In the specific implementation process of the present invention, calculating the laser cutting speed based on the optimized laser cutting path using the veneer information data includes: dividing the optimized laser cutting path to obtain several laser cutting path segments; obtaining The starting point of the segmented path, the midpoint of the segmented path and the ending point of the segmented path in each laser cutting path segment, and the starting point of the segmented path, the midpoint of the segmented path and the segmented path are obtained based on the veneer information data The veneer thickness corresponding to the end point; for each laser cutting path segment, use the segment path starting point, segment path midpoint and segment path end point and the corresponding veneer thickness to calculate the corresponding segment cutting speed; based on all laser cutting The path segments and corresponding segment cutting speeds are used to calculate the laser cutting speed.

Further, calculating the corresponding segment cutting speed for each laser cutting path segment using the segment path starting point, segment path midpoint, segment path end point and corresponding veneer thickness includes: The cutting path segmentation uses the segmentation path starting point and the veneer thickness corresponding to the segmentation path starting point to calculate the first inflection point speed; for each laser cutting path segmentation, the segmentation path midpoint and the veneer thickness corresponding to the segmentation path midpoint are used Calculate the tangential speed; calculate the second inflection point speed for each laser cutting path segment using the segment path end point and the veneer thickness corresponding to the segment path end point; based on the first inflection point speed, tangential speed and second inflection point The speed calculates the segment cutting speed corresponding to each laser cutting path segment.

Specifically, since calculating the cutting speed of the complete optimized laser cutting path is highly complex and time-consuming, the optimized laser cutting path is divided into several laser cutting path segments, which are easy to calculate. Speed; obtain the segment path starting point, segment path midpoint and segment path end point in each laser cutting path segment. The veneer information data contains the corresponding veneer thickness, and the segments can be obtained based on the veneer information data. The starting point of the path, the veneer thickness corresponding to the midpoint of the segmented path and the end point of the segmented path; for each laser cutting path segment, use the veneer thickness corresponding to the starting point of the segmented path and the starting point of the segmented path to calculate the first inflection point speed, Obtain the collinear direction of the starting point and end point of the segmented path, make an arc based on the collinear direction, draw a vector line of the arc based on the starting point of the segmented path and its collinear direction, and use the veneer corresponding to the starting point based on the vector line The thickness and the known cutting power are used to calculate the first inflection point speed; use the midpoint, starting point and end point of the segmented path to make arcs, calculate the distances from the midpoint of the segmented path to the starting point and the end point respectively, and follow the calculated distance along the segmented path. The tangential direction of the path is calculated using the arc made and the corresponding veneer thickness; the corresponding arc is drawn according to the collinear direction for the end point of the segmented path, and the arc is generated based on the collinear direction and the end point of the segmented path. Vector line, based on the vector line, use the veneer thickness corresponding to the end point and the known cutting power to calculate the second inflection point speed; combining the first inflection point speed, tangential speed and second inflection point speed, the score of each laser cutting path can be obtained The segment cutting speed corresponding to the segment; after the cutting speed of each laser cutting path segment is calculated, the laser cutting speed is calculated by integrating all laser cutting path segments and the corresponding segment cutting speed, and the veneer thickness and cutting path Adding it to the calculation of cutting speed ensures the quality and efficiency of laser cutting.

S14: Optimize the cutting process parameters based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters;

In the specific implementation process of the present invention, the optimization of the cutting process parameters based on the multi-objective cuckoo algorithm to obtain the optimized cutting process parameters includes: performing initialization processing based on the cutting process parameters to obtain the cuckoo population, where , the cuckoo population contains several initial nests; calculate the fitness values of all initial nests in the cuckoo population; update several initial nests based on Levy's flight algorithm, obtain several updated nests, and calculate all updated nests fitness value; sort all initial nests in ascending order according to the fitness value of the initial nest, and sort all updated nests in ascending order according to the fitness value of the updated nest; compare all initial nests with all updated nests based on the ascending order, If the fitness value of the updated nest is greater than the initial nest, replace the initial nest with the updated nest. If the fitness value of the updated nest is less than or equal to the initial nest, the initial nest does not need to be replaced. Compare and sum up all initial nests and updated nests. After the replacement process, a new cuckoo population is obtained; the nests in the new cuckoo population are updated, compared and replaced to the preset number of iterations to obtain the optimized cuckoo population. The nest with the largest fitness value in the cuckoo population will be optimized. as optimized cutting process parameters.

Specifically, an initialization process is performed based on the cutting process parameters, and an initial parameter optimization scheme is randomly generated for the cutting process parameters as a cuckoo population. The cuckoo population contains several initial nests, and each initial nest is an initial parameter optimization scheme; Calculate the fitness values of all initial nests in the cuckoo population based on the fitness function; update several initial nests based on Levy's flight algorithm, and construct a solution space based on several initial nests. The solution space refers to the set of possible solutions. Through random The walking strategy searches the solution space. During the search process, the Levy stable distribution probability is introduced. After the solution space search is completed, several updated nests are obtained. The initial fitness values of all updated nests are calculated through the fitness function, and the initial fitness values are calculated. The fitness value is scaled, and the initial fitness value is scaled according to the preset power index to obtain the fitness value after scale transformation, which is the required fitness value; all initial nests are calculated according to the fitness value of the initial nest. Sort in ascending order, and sort all updated nests in ascending order according to the fitness value of the updated nest for subsequent comparison processing; compare all initial nests with all updated nests in ascending order, if the fitness value of the updated nest is greater than the initial nest , it means that the updated nest is closer to the feasible solution, and the initial nest is replaced by the updated nest. If the fitness value of the updated nest is less than or equal to the initial nest, the initial nest does not need to be replaced. All initial nests are compared and replaced with the updated nest. After completion, a new cuckoo population is obtained; repeat the above process on the nests in the new cuckoo population to the preset number of iterations to obtain an optimized cuckoo population, and use the nest with the largest fitness value as the optimal cutting process parameter. Multi-objective cuckoo The bird algorithm can search for the required feasible solution under multiple objectives and find a balance point in the optimization of cutting process parameters, that is, the optimal combination of parameters. The cutting process parameters can be updated through the multi-objective cuckoo algorithm, which can avoid laser Cutting is affected by cutting process conditions and changes in the surrounding environment, ensuring the stability of cutting, thereby improving cutting quality.

S15: The laser cutting equipment cuts the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and obtains the cut veneer;

In the specific implementation process of the present invention, the laser cutting equipment cuts the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and obtains the cut veneer, including: grabbing the veneer based on the mechanical arm Take it to the work surface of the laser cutting equipment; adjust the laser cutting equipment based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and the adjusted laser cutting equipment calibrates and cuts the veneer on the work surface, Obtain the cut veneer.

Specifically, the mechanical arm is used to grab the veneer to be cut to the work surface of the laser cutting equipment; the laser cutting equipment is adjusted by optimizing the laser cutting path, laser cutting speed and optimizing cutting process parameters. The adjusted laser cutting equipment is positioned at The veneer on the work surface is calibrated to reduce errors. After calibration, the veneer is cut to obtain the cut veneer.

S16: Conduct quality inspection on the cut veneer and generate a quality inspection report.

In the specific implementation process of the present invention, the quality inspection of the cut veneer and the generation of a quality inspection report include: obtaining the cut veneer image and comparing the cut veneer image with the template image. , obtain the comparison results; measure the dimensions of the cut veneer based on the measuring equipment, and obtain the dimension measurement results; inspect the comparison results and the dimension measurement results based on the preset standards, obtain the quality inspection results, and obtain the quality inspection results based on the quality inspection results Use preset scripts to generate quality inspection reports.

Specifically, the cut veneer image is obtained, the cut veneer image is compared with the template image, the cut veneer image is binarized, and the binary veneer image is subjected to discrete cosine transformation. Calculate, obtain the veneer image matrix, reduce the veneer image matrix so that it presents the lowest frequency of the image, calculate the average of all pixels in the reduced veneer image matrix, and compare each average with the discrete cosine transform value of the veneer image matrix Compare, if it is greater than or equal to the average value, it will be recorded as one, and if it is less than the average value, it will be recorded as zero. The comparison results will be combined into 64 information bits according to the preset order. The information bits of the cut veneer image will be compared with the template image. Compare the information bits. If there are no more than five different information bits, it means that the quality of the veneer cutting pattern is qualified. If there are more than five, it means that the quality of the veneer cutting pattern is unqualified; measure the dimensions of the cut veneer according to the measuring equipment. Measure, if the measurement result is within the allowable error range, the cutting size meets the standard; if the measurement result exceeds the error range, the cutting size does not meet the standard; the comparison result and the dimensional measurement result are combined to obtain the quality inspection result, where the comparison result and dimensional measurement Only when the results meet the standard can it be judged that the quality has reached the standard. A preset script is used to generate a quality inspection report. The comparison results and dimensional measurement results in the quality inspection results can be represented by statistical charts or statistical data.

In the embodiment of the present invention, the fireworks algorithm is used for laser cutting path planning. The fireworks algorithm can conduct a wide range of searches, so that the path planning can search for the optimized cutting path faster, thereby speeding up path planning and making it more accurate. Plan the laser cutting path and calculate the laser cutting speed based on the planned laser cutting path. Add the veneer thickness and cutting path to the calculation of the cutting speed to ensure the quality and efficiency of laser cutting. Use the multi-objective cuckoo algorithm to calculate the cutting process parameters. Optimize to avoid laser cutting being affected by changes in cutting process conditions and surrounding environment and ensure the stability of cutting. It can not only effectively improve the efficiency of laser cutting veneer, but also ensure the stability of laser cutting and reduce the impact of process conditions on laser cutting. .

Embodiment 2

Please refer to FIG. 2 , which is a schematic structural diagram of a laser cutting veneer system in an embodiment of the present invention.

As shown in Figure 2, a system for laser cutting veneer includes:

Data acquisition module 21: used to obtain veneer information data and cutting process parameters;

In the specific implementation process of the present invention, the obtaining of veneer information data and cutting process parameters includes: collecting veneer information data based on data collection sensor equipment, wherein the veneer information data includes: veneer type, veneer thickness and veneer size; based on The preset cutting process parameter table extracts cutting process parameters, where the cutting process parameters include: cutting power, focal length, and cutting power stability.

Specifically, data acquisition sensor equipment is used to collect veneer type, veneer thickness and veneer size. Only after obtaining accurate veneer information data can the subsequent processing be continued; the corresponding cutting process parameters are extracted from the preset cutting process parameter table, and the cutting process is There is a corresponding dictionary table in the parameter table, so that cutting process parameters such as cutting power, focal length and cutting power stability can be obtained.

Cutting path planning module 22: used to perform laser cutting path planning processing using the fireworks algorithm based on the veneer information data to obtain an optimized laser cutting path;

In the specific implementation process of the present invention, using the fireworks algorithm to perform laser cutting path planning processing based on the veneer information data to obtain an optimized laser cutting path includes: setting the laser cutting path starting point and the laser cutting path end point based on the veneer information data , and generate several laser cutting paths based on the starting point of the laser cutting path and the end point of the laser cutting path, and use the several laser cutting paths as the initial fireworks group, where each laser cutting path is used as a firework in the initial fireworks group; based on explosion operator and Gaussian operator to calculate the initial fireworks population to obtain mutant sparks, where the mutant sparks include: explosion sparks and Gaussian sparks; a selection algorithm is used to generate a new fireworks population based on the mutant sparks, and the new fireworks are calculated According to the fitness of each firework in the fireworks group, select the two fireworks with the largest fitness to generate a population of fireworks particles; perform mutation processing on the population of fireworks particles to obtain a population of mutant fireworks particles, and calculate the objective function of the population of mutant fireworks particles value; determine whether the objective function value of the mutant fireworks particle population is greater than the preset threshold, where, if the objective function value of the mutant fireworks particle population is greater than the preset threshold, then calculate the fitness of each firework in the mutant fireworks particle population, and add the fitness The largest fireworks are used as the optimized laser cutting path; if the objective function value of the mutant particle population is less than or equal to the preset threshold, the mutant fireworks particle population is used as the initial fireworks population and the iteration process is re-processed to the preset iteration number.

Further, calculating the initial fireworks population based on explosion operators and Gaussian operators to obtain mutation sparks includes: using a heuristic algorithm to calculate the initial fireworks population based on explosion operators to obtain explosion sparks; The Gaussian operator performs displacement and mutation processing on the explosion spark to obtain Gaussian spark.

Specifically, the laser cutting path starting point and the laser cutting path end point are set according to the veneer size and veneer type in the veneer information data, and several laser cutting paths are randomly generated according to the laser cutting path starting point and the laser cutting path end point, and the several laser cutting paths are used as Initial fireworks group, in which each laser cutting path is regarded as a firework in the initial fireworks group, and each firework in the initial fireworks group represents a feasible solution; the initial fireworks group is calculated using a heuristic algorithm based on the explosion operator , randomly select a node in the initial fireworks group as the location of the fireworks explosion, select four directions of up, down, left, and right and a random direction as the explosion direction, determine the explosion radius, and calculate the explosion intensity according to the heuristic algorithm. According to the explosion position and direction , radius and intensity are substituted into the explosion spark expression for calculation to obtain the explosion spark. The calculation of the explosion spark is a search process for the fireworks group to avoid the algorithm falling into a local optimum; the explosion spark is displaced and mutated based on the Gaussian operator. , select a preset dimension for the explosion spark, perform Gaussian mutation on the explosion spark according to the selected dimension, and map the explosion spark to a Gaussian distribution with a mean of one and a variance of one. After mapping the explosion spark to the feasible region of the Gaussian distribution , to obtain Gaussian sparks, the purpose of displacing and mutating explosion sparks is to enhance the diversity of fireworks groups and obtain better feasible solutions; use the selection algorithm to generate new fireworks groups based on the mutated sparks, and calculate the selected number of each mutated spark. Probability, calculate the cumulative probability based on the probability of being selected. After calculating the cumulative probabilities of all individuals, select mutant sparks with greater cumulative probability according to the preset ratio to generate a new fireworks population, and calculate the adaptation of each firework in the new fireworks population. Calculate the initial fitness for each firework through the fitness function. The fitness function is a function that can express the fitness in mathematical form. The initial fitness is scaled to obtain the final fitness. Select the one with the largest fitness. Two fireworks generate a population of fireworks particles; perform mutation processing on the population of fireworks particles, mutate a certain bit in the data sequence in the population of fireworks particles, and negate the corresponding bits of the individual fireworks that perform the mutation to obtain the mutant fireworks. Particle group, the purpose of mutating the fireworks particle group is to ensure that the algorithm will not fall into the local optimal solution, and to calculate the objective function value of the mutated fireworks particle group; to determine whether the objective function value of the mutated fireworks particle group is greater than the preset threshold, If the objective function value is greater than the preset threshold, the fitness of each firework in the mutant firework particle population is calculated. Each firework is also calculated based on the fitness function, and the calculated initial fitness is scaled to obtain each firework. According to the fitness of each firework, the firework with the highest fitness will be used as the optimized laser cutting path; if the objective function value is less than or equal to the preset threshold, the mutant firework particle population will be used as the new initial firework population and the above process will be re-processed to the preset number of iterations. , to obtain the final optimized laser cutting path, and use the fireworks algorithm for laser cutting path planning, which can plan the laser cutting path more accurately. Using the fireworks algorithm can conduct a wide range of searches through its explosive sparks and Gaussian sparks, making the path planning possible. Search for optimized cutting paths faster for faster path planning.

Cutting speed calculation module 23: used to calculate the laser cutting speed based on the optimized laser cutting path using the veneer information data;

In the specific implementation process of the present invention, calculating the laser cutting speed based on the optimized laser cutting path using the veneer information data includes: dividing the optimized laser cutting path to obtain several laser cutting path segments; obtaining The starting point of the segmented path, the midpoint of the segmented path and the ending point of the segmented path in each laser cutting path segment, and the starting point of the segmented path, the midpoint of the segmented path and the segmented path are obtained based on the veneer information data The veneer thickness corresponding to the end point; for each laser cutting path segment, use the segment path starting point, segment path midpoint and segment path end point and the corresponding veneer thickness to calculate the corresponding segment cutting speed; based on all laser cutting The path segments and corresponding segment cutting speeds are used to calculate the laser cutting speed.

Further, calculating the corresponding segment cutting speed for each laser cutting path segment using the segment path starting point, segment path midpoint, segment path end point and corresponding veneer thickness includes: The cutting path segmentation uses the segmentation path starting point and the veneer thickness corresponding to the segmentation path starting point to calculate the first inflection point speed; for each laser cutting path segmentation, the segmentation path midpoint and the veneer thickness corresponding to the segmentation path midpoint are used Calculate the tangential speed; calculate the second inflection point speed for each laser cutting path segment using the segment path end point and the veneer thickness corresponding to the segment path end point; based on the first inflection point speed, tangential speed and second inflection point The speed calculates the segment cutting speed corresponding to each laser cutting path segment.

Specifically, since calculating the cutting speed of the complete optimized laser cutting path is highly complex and time-consuming, the optimized laser cutting path is divided into several laser cutting path segments, which are easy to calculate. Speed; obtain the segment path starting point, segment path midpoint and segment path end point in each laser cutting path segment. The veneer information data contains the corresponding veneer thickness, and the segments can be obtained based on the veneer information data. The starting point of the path, the veneer thickness corresponding to the midpoint of the segmented path and the end point of the segmented path; for each laser cutting path segment, use the veneer thickness corresponding to the starting point of the segmented path and the starting point of the segmented path to calculate the first inflection point speed, Obtain the collinear direction of the starting point and end point of the segmented path, make an arc based on the collinear direction, draw a vector line of the arc based on the starting point of the segmented path and its collinear direction, and use the veneer corresponding to the starting point based on the vector line The thickness and the known cutting power are used to calculate the first inflection point speed; use the midpoint, starting point and end point of the segmented path to make arcs, calculate the distances from the midpoint of the segmented path to the starting point and the end point respectively, and follow the calculated distance along the segmented path. The tangential direction of the path is calculated using the arc made and the corresponding veneer thickness; the corresponding arc is drawn according to the collinear direction for the end point of the segmented path, and the arc is generated based on the collinear direction and the end point of the segmented path. Vector line, based on the vector line, use the veneer thickness corresponding to the end point and the known cutting power to calculate the second inflection point speed; combining the first inflection point speed, tangential speed and second inflection point speed, the score of each laser cutting path can be obtained The segment cutting speed corresponding to the segment; after the cutting speed of each laser cutting path segment is calculated, the laser cutting speed is calculated by integrating all laser cutting path segments and the corresponding segment cutting speed, and the veneer thickness and cutting path Adding it to the calculation of cutting speed ensures the quality and efficiency of laser cutting.

Process parameter optimization module 24: used to optimize the cutting process parameters based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters;

In the specific implementation process of the present invention, the optimization of the cutting process parameters based on the multi-objective cuckoo algorithm to obtain the optimized cutting process parameters includes: performing initialization processing based on the cutting process parameters to obtain the cuckoo population, where , the cuckoo population contains several initial nests; calculate the fitness values of all initial nests in the cuckoo population; update several initial nests based on Levy's flight algorithm, obtain several updated nests, and calculate all updated nests fitness value; sort all initial nests in ascending order according to the fitness value of the initial nest, and sort all updated nests in ascending order according to the fitness value of the updated nest; compare all initial nests with all updated nests based on the ascending order, If the fitness value of the updated nest is greater than the initial nest, replace the initial nest with the updated nest. If the fitness value of the updated nest is less than or equal to the initial nest, the initial nest does not need to be replaced. Compare and sum up all initial nests and updated nests. After the replacement process, a new cuckoo population is obtained; the nests in the new cuckoo population are updated, compared and replaced to the preset number of iterations to obtain the optimized cuckoo population. The nest with the largest fitness value in the cuckoo population will be optimized. as optimized cutting process parameters.

Specifically, an initialization process is performed based on the cutting process parameters, and an initial parameter optimization scheme is randomly generated for the cutting process parameters as a cuckoo population. The cuckoo population contains several initial nests, and each initial nest is an initial parameter optimization scheme; Calculate the fitness values of all initial nests in the cuckoo population based on the fitness function; update several initial nests based on Levy's flight algorithm, and construct a solution space based on several initial nests. The solution space refers to the set of possible solutions. Through random The walking strategy searches the solution space. During the search process, the Levy stable distribution probability is introduced. After the solution space search is completed, several updated nests are obtained. The initial fitness values of all updated nests are calculated through the fitness function, and the initial fitness values are calculated. The fitness value is scaled, and the initial fitness value is scaled according to the preset power index to obtain the fitness value after scale transformation, which is the required fitness value; all initial nests are calculated according to the fitness value of the initial nest. Sort in ascending order, and sort all updated nests in ascending order according to the fitness value of the updated nest for subsequent comparison processing; compare all initial nests with all updated nests in ascending order, if the fitness value of the updated nest is greater than the initial nest , it means that the updated nest is closer to the feasible solution, and the initial nest is replaced by the updated nest. If the fitness value of the updated nest is less than or equal to the initial nest, the initial nest does not need to be replaced. All initial nests are compared and replaced with the updated nest. After completion, a new cuckoo population is obtained; repeat the above process on the nests in the new cuckoo population to the preset number of iterations to obtain an optimized cuckoo population, and use the nest with the largest fitness value as the optimal cutting process parameter. Multi-objective cuckoo The bird algorithm can search for the required feasible solution under multiple objectives and find a balance point in the optimization of cutting process parameters, that is, the optimal combination of parameters. The cutting process parameters can be updated through the multi-objective cuckoo algorithm, which can avoid laser Cutting is affected by cutting process conditions and changes in the surrounding environment, ensuring the stability of cutting, thereby improving cutting quality.

Cutting module 25: used for the laser cutting equipment to cut the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters to obtain the cut veneer;

In the specific implementation process of the present invention, the laser cutting equipment cuts the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and obtains the cut veneer, including: grabbing the veneer based on the mechanical arm Take it to the work surface of the laser cutting equipment; adjust the laser cutting equipment based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters, and the adjusted laser cutting equipment calibrates and cuts the veneer on the work surface, Obtain the cut veneer.

Specifically, the mechanical arm is used to grab the veneer to be cut to the work surface of the laser cutting equipment; the laser cutting equipment is adjusted by optimizing the laser cutting path, laser cutting speed and optimizing cutting process parameters. The adjusted laser cutting equipment is positioned at The veneer on the work surface is calibrated to reduce errors. After calibration, the veneer is cut to obtain the cut veneer.

Quality inspection module 26: used to conduct quality inspection on the cut veneer and generate a quality inspection report.

In the specific implementation process of the present invention, the quality inspection of the cut veneer and the generation of a quality inspection report include: obtaining the cut veneer image and comparing the cut veneer image with the template image. , obtain the comparison results; measure the dimensions of the cut veneer based on the measuring equipment, and obtain the dimension measurement results; inspect the comparison results and the dimension measurement results based on the preset standards, obtain the quality inspection results, and obtain the quality inspection results based on the quality inspection results Use preset scripts to generate quality inspection reports.

Specifically, the cut veneer image is obtained, the cut veneer image is compared with the template image, the cut veneer image is binarized, and the binary veneer image is subjected to discrete cosine transformation. Calculate, obtain the veneer image matrix, reduce the veneer image matrix so that it presents the lowest frequency of the image, calculate the average of all pixels in the reduced veneer image matrix, and compare each average with the discrete cosine transform value of the veneer image matrix Compare, if it is greater than or equal to the average value, it will be recorded as one, and if it is less than the average value, it will be recorded as zero. The comparison results will be combined into 64 information bits according to the preset order. The information bits of the cut veneer image will be compared with the template image. Compare the information bits. If there are no more than five different information bits, it means that the quality of the veneer cutting pattern is qualified. If there are more than five, it means that the quality of the veneer cutting pattern is unqualified; measure the dimensions of the cut veneer according to the measuring equipment. Measure, if the measurement result is within the allowable error range, the cutting size meets the standard; if the measurement result exceeds the error range, the cutting size does not meet the standard; the comparison result and the dimensional measurement result are combined to obtain the quality inspection result, where the comparison result and dimensional measurement Only when the results meet the standard can it be judged that the quality has reached the standard. A preset script is used to generate a quality inspection report. The comparison results and dimensional measurement results in the quality inspection results can be represented by statistical charts or statistical data.

In the embodiment of the present invention, the fireworks algorithm is used for laser cutting path planning. The fireworks algorithm can conduct a wide range of searches, so that the path planning can search for the optimized cutting path faster, thereby speeding up path planning and making it more accurate. Plan the laser cutting path and calculate the laser cutting speed based on the planned laser cutting path. Add the veneer thickness and cutting path to the calculation of the cutting speed to ensure the quality and efficiency of laser cutting. Use the multi-objective cuckoo algorithm to calculate the cutting process parameters. Optimize to avoid laser cutting being affected by changes in cutting process conditions and surrounding environment and ensure the stability of cutting. It can not only effectively improve the efficiency of laser cutting veneer, but also ensure the stability of laser cutting and reduce the impact of process conditions on laser cutting. .

Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructing relevant hardware through a program. The program can be stored in a computer-readable storage medium. The storage medium can include: Read-only memory (ROM, ReadOnly Memory), random-access memory (RAM, Random AccessMemory), magnetic disk or optical disk, etc.

In addition, the method and system for laser cutting veneer provided by the embodiments of the present invention are introduced in detail above. Specific examples are used to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only for To help understand the method and its core idea of the present invention; at the same time, for those of ordinary skill in the field, there will be changes in the specific implementation and application scope based on the idea of the present invention. In summary, this specification The contents should not be construed as limitations of the invention.

Claims (10)

1. A method of laser cutting veneer, the method comprising:

obtaining veneer information data and cutting process parameters;

performing laser cutting path planning processing by using a firework algorithm based on the veneer information data to obtain an optimized laser cutting path;

calculating a laser cutting speed by using the veneer information data based on the optimized laser cutting path;

optimizing the cutting process parameters based on a multi-target cuckoo algorithm to obtain optimized cutting process parameters;

the laser cutting equipment cuts the veneer based on the optimized laser cutting path, the laser cutting speed and the optimized cutting technological parameters to obtain the cut veneer;

And (3) performing quality inspection on the wood veneer after the cutting treatment, and generating a quality inspection report.

2. The method of claim 1, wherein the obtaining veneer information data and cutting process parameters comprises:

collecting veneer information data based on a data collecting sensor device, wherein the veneer information data comprises: wood veneer species, wood veneer thickness, and wood Pi Checun;

extracting cutting process parameters based on a preset cutting process parameter table, wherein the cutting process parameters comprise: cutting power, focal length, and cutting power stability.

3. The method for laser cutting veneer according to claim 1, wherein the performing laser cutting path planning processing by using a firework algorithm based on the veneer information data to obtain an optimized laser cutting path comprises:

setting a laser cutting path starting point and a laser cutting path ending point based on the veneer information data, generating a plurality of laser cutting paths based on the laser cutting path starting point and the laser cutting path ending point, and taking the plurality of laser cutting paths as initial firework groups, wherein each laser cutting path is taken as one firework in the initial firework groups;

Calculating the initial firework group based on an explosion operator and a Gaussian operator to obtain a variant spark, wherein the variant spark comprises: explosion sparks and gaussian sparks;

generating a new firework group based on the variation sparks by using a selection algorithm, calculating the fitness of each firework in the new firework group, and selecting two firework with the largest fitness to generate a firework particle group;

performing mutation treatment on the firework particle group to obtain a mutated firework particle group, and calculating an objective function value of the mutated firework particle group;

judging whether the objective function value of the variable firework particle group is larger than a preset threshold value, wherein if the objective function value of the variable firework particle group is larger than the preset threshold value, calculating the fitness of each firework in the variable firework particle group, and taking the firework with the largest fitness as an optimized laser cutting path; and if the objective function value of the variant particle population is smaller than or equal to the preset threshold, carrying out iteration processing again by taking the variant firework particle population as the initial firework population until the preset iteration times.

4. A method of laser cutting veneer according to claim 3, wherein said calculating said initial population of fireworks based on explosion operators and gaussian operators to obtain variant sparks comprises:

Calculating the initial firework group by using a heuristic algorithm based on an explosion operator to obtain explosion sparks;

and carrying out displacement and mutation treatment on the explosion spark based on a Gaussian operator to obtain the Gaussian spark.

5. The method of laser cutting veneer according to claim 1, wherein the calculating a laser cutting speed using the veneer information data based on the optimized laser cutting path comprises:

cutting the optimized laser cutting path to obtain a plurality of laser cutting path segments;

acquiring a segmentation path starting point, a segmentation path midpoint and a segmentation path ending point in each laser cutting path segmentation, and acquiring the thickness of the veneer corresponding to the segmentation path starting point, the segmentation path midpoint and the segmentation path ending point based on the veneer information data;

calculating corresponding sectional cutting speeds of each laser cutting path section by utilizing a sectional path starting point, a sectional path midpoint and a sectional path ending point and corresponding veneer thickness;

the laser cutting speed is calculated based on all laser cutting path segments and the corresponding segment cutting speed.

6. The method of claim 5, wherein calculating the corresponding segment cutting speed for each laser cutting path segment using the segment path start point, the segment path midpoint and the segment path end point and the corresponding veneer thickness comprises:

Calculating a first inflection point speed for each laser cutting path segment by utilizing a segment path starting point and the veneer thickness corresponding to the segment path starting point;

calculating tangential velocity of each laser cutting path segment by utilizing the middle point of the segment path and the thickness of the veneer corresponding to the middle point of the segment path;

calculating a second inflection point speed for each laser cutting path section by using the section path termination point and the veneer thickness corresponding to the section path termination point;

and calculating the segment cutting speed corresponding to each laser cutting path segment based on the first inflection point speed, the tangential speed and the second inflection point speed.

7. The method for cutting veneer by laser according to claim 1, wherein the optimizing the cutting process parameters based on the multi-objective cuckoo algorithm to obtain optimized cutting process parameters comprises:

initializing based on the cutting process parameters to obtain a cuckoo population, wherein the cuckoo population comprises a plurality of initial nests;

calculating the fitness value of all initial nests in the cuckoo population;

updating the plurality of initial nests based on the Lewy flight algorithm to obtain a plurality of updated nests, and calculating the fitness value of all updated nests;

Ascending order is carried out on all initial nests according to the fitness value of the initial nests, and ascending order is carried out on all updated nests according to the fitness value of the updated nests;

comparing all initial nests with all updated nests based on ascending order, if the fitness value of the updated nest is larger than that of the initial nest, replacing the initial nest with the updated nest, if the fitness value of the updated nest is smaller than or equal to that of the initial nest, replacing the initial nest is not needed, and comparing and replacing all the initial nests with the updated nest to obtain a new brook bird population;

and (3) updating, comparing and replacing the nest in the new cuckoo population to the preset iteration times to obtain an optimized cuckoo population, and taking the nest with the largest fitness value in the optimized cuckoo population as the optimized cutting process parameter.

8. The method of cutting veneer by laser according to claim 1, wherein the laser cutting device performs cutting treatment on the veneer based on the optimized laser cutting path, laser cutting speed and optimized cutting process parameters to obtain the cut veneer, comprising:

grabbing wood veneer to a working table of laser cutting equipment based on a mechanical arm;

And adjusting the laser cutting equipment based on the optimized laser cutting path, the laser cutting speed and the optimized cutting process parameters, and calibrating and cutting the veneer on the workbench surface by the adjusted laser cutting equipment to obtain the veneer after the cutting treatment.

9. The method of laser cutting veneer according to claim 1, wherein the quality inspection of the cut veneer and the generation of a quality inspection report comprises:

obtaining a wood veneer image after cutting treatment, and comparing the wood veneer image after cutting treatment with a template image to obtain a comparison result;

performing size measurement on the wood veneer after the cutting treatment based on measurement equipment to obtain a size measurement result;

and comparing the comparison result with the dimension measurement result based on a preset standard to obtain a quality test result, and generating a quality test report by using a preset script based on the quality test result.

10. A system for laser cutting veneer, the system comprising:

the data acquisition module is used for acquiring veneer information data and cutting process parameters;

the cutting path planning module is used for carrying out laser cutting path planning processing by utilizing a firework algorithm based on the veneer information data to obtain an optimized laser cutting path;

A cutting speed calculation module for calculating a laser cutting speed based on the optimized laser cutting path;

the process parameter optimization module is used for optimizing the cutting process parameters based on a multi-target cuckoo algorithm to obtain optimized cutting process parameters;

the cutting module is used for cutting the veneer by the laser cutting equipment based on the optimized laser cutting path, the laser cutting speed and the optimized cutting process parameters to obtain the cut veneer;

the quality inspection module is used for performing quality inspection on the cut veneer and generating a quality inspection report.