CN113780815B - Cable extrusion production scheduling system and method based on manufacturing efficiency - Google Patents
Cable extrusion production scheduling system and method based on manufacturing efficiency Download PDFInfo
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Abstract
The invention relates to the field of cable manufacturing, in particular to a cable extrusion production scheduling system and method based on manufacturing efficiency, comprising the steps of defining cable product attributes and equipment manufacturing capacity; pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity to obtain a device list capable of being produced in a scheduling mode; defining a standard yield interval of equipment production, and acquiring historical manufacturing efficiency of cable products on each programmable equipment based on equipment manufacturing capacity and equipment historical production data, wherein the historical manufacturing efficiency is matched with the standard yield interval; calculating work order plan production time consumption based on work order plan yield and recipe operation speed or standard operation speed; the scheduling production time of each type of equipment capable of being scheduled is compared, cheng Wuliao is arranged on the equipment with the shortest scheduling production time, so that the production work order and the production equipment can be matched more accurately compared with the prior art, and the delivery scheduling rate of the production work order of the cable extrusion process is improved.
Description
Technical Field
The invention relates to the field of cable manufacturing, in particular to a cable extrusion process production scheduling system and method based on manufacturing efficiency.
Background
Cable extrusion is a key procedure in the production and manufacturing process of an electric wire and cable enterprise, and because of various specifications and models of cable products, various product packaging modes, large complex difference of equipment technological parameters and flexible production modes, factors which need to be considered in the production scheduling of cable extrusion operation are very large. At present, the production schedule management software on the market is mature, but can not be applied to the actual production and manufacturing conditions when being applied to the cable extrusion working procedure due to individuation of industries and processes. The main expression is that the extrusion production manufacturing efficiency calculation and the production process parameter formula are not matched to the schedule according to the actual reference terms.
Disclosure of Invention
The invention aims to provide a cable extrusion production scheduling system and method based on manufacturing efficiency, and aims to more accurately match production worksheets and production equipment by sequencing and manufacturing worksheets based on cable product attributes and equipment manufacturing capacity, so that the delivery time rate of the production worksheets in a cable extrusion process is improved.
In order to achieve the above objects, the present invention provides a system and a method for scheduling cable extrusion production based on manufacturing efficiency, comprising: defining cable product attributes and device manufacturing capabilities;
sorting the production worksheets of the cable products based on the product attribute first order rule to obtain a worksheet execution sequence;
pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity to obtain a device list capable of being produced in a scheduling mode;
Acquiring manufacturing efficiency of the cable product on each of the schedulable devices corresponding to the standard yield interval based on the device manufacturing capability and the device historical production data;
calculating production time based on the operating speed and manufacturing efficiency within the process parameter recipe;
The planned production time of the execution worksheets of each of the schedulable devices is compared and Cheng Wuliao is side by side to the device with the shortest planned production time.
Wherein the product attributes include extrusion mode, plastic material, printing mode, packaging mode, conductor structure, cross-sectional area, material, outer diameter, primary color and secondary color.
Wherein the manufacturing capability comprises extrusion mode, plastic material, printing mode, packaging mode, conductor structure, sectional area, material and standard running speed of equipment.
The method comprises the specific steps of pairing the work order product and the equipment based on the product attribute and the equipment manufacturing capability, and obtaining a device list capable of being produced:
setting a priority rule sequence of the key attribute based on the product attribute;
sequencing the worksheets based on the priority rule of the key attributes of the products to obtain a worksheet sequence;
pairing the work order sequences to the devices with corresponding manufacturing capabilities in turn to obtain a list of devices which can be produced in a scheduling manner.
Wherein the priority parameters include co-extrusion, co-plastic material, co-cross sectional area, co-conductor structure, co-outer diameter, co-dominant color, and co-packaging.
The specific way for sequentially pairing the work order sequences to the equipment with corresponding manufacturing capability to obtain the equipment list capable of being produced is as follows: the product and the device are paired based on the product attributes and manufacturing capabilities, and the match is successful if and only if all parameters match one to one.
The specific method for calculating the production time consumption based on the technological parameter formula comprises the following steps of: if the production work order product has a process parameter formula on the equipment, the production work order product is preferentially scheduled to the equipment with the process formula, if a plurality of equipment has the process parameter formula, the planned production time of the production work order of the cable product on each producible equipment is calculated according to the process parameters and the manufacturing efficiency; if the process parameter formula does not exist, calculating the planned production time of the cable product production work order on the equipment according to the default manufacturing capacity parameters and manufacturing efficiency of the equipment.
In a second aspect, the present invention provides a cable extrusion production scheduling system based on manufacturing efficiency, which uses the cable extrusion production scheduling method based on manufacturing efficiency to schedule.
The invention relates to a cable extrusion production scheduling system and a method based on manufacturing efficiency, comprising the steps of defining cable product attributes and equipment manufacturing capacity; pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity to obtain a device list capable of being produced in a scheduling mode; defining a standard yield interval of equipment production, and acquiring historical manufacturing efficiency of cable products on each programmable equipment based on equipment manufacturing capacity and equipment historical production data, wherein the historical manufacturing efficiency is matched with the standard yield interval; calculating work order plan production time consumption based on work order plan yield and recipe operation speed or standard operation speed; the scheduling production time of each type of equipment capable of being scheduled is compared, cheng Wuliao is arranged on the equipment with the shortest scheduling production time, so that the production work order and the production equipment can be matched more accurately compared with the prior art, and the delivery scheduling rate of the production work order of the cable extrusion process is improved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cable product attribute diagram of the present invention;
FIG. 2 is a work order diagram of the present invention;
FIG. 3 is a priority parameter diagram of the present invention;
FIG. 4 is a color priority diagram of the present invention;
FIG. 5 is a ordered work order sequence diagram of the present invention;
FIG. 6 is a manufacturing capability map of the present invention;
FIG. 7 is a device history efficiency map of the present invention;
FIG. 8 is a worksheet and manufacturing capability matching diagram of the present invention;
FIG. 9 is a flow chart of a method of scheduling cable extrusion production based on manufacturing efficiency according to the present invention;
FIG. 10 is a flow chart of the present invention for pairing worksheets and devices based on product attributes and manufacturing capabilities to obtain a list of devices that can be produced on a productive basis.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In a first aspect, referring to fig. 1 to 10, the present invention provides a method for scheduling extrusion production of a cable based on manufacturing efficiency, comprising:
S101, defining cable product attributes and equipment manufacturing capabilities;
The product attributes include extrusion mode, plastic material, printing mode, packaging mode, conductor structure, sectional area, material, outer diameter, primary color and secondary color. The manufacturing capability includes extrusion mode, plastic material, printing mode, packaging type, conductor structure, sectional area, material and standard running speed of equipment.
S102, sorting the production worksheets of the cable products based on the product attribute first order rule to obtain a worksheet execution sequence;
the product key attribute priority comprises the same extrusion mode priority combination, the same plastic material priority combination, the same cross section area priority combination, the same conductor structure priority combination, the same outer diameter priority combination, the same dominant color priority combination and the same packaging mode priority combination
The product key attribute priority rules are the same plastic material priority combination, the same cross section area priority combination, the same conductor structure priority combination, the same outer diameter priority combination, the same main color and color priority combination and the same packaging mode priority combination.
S103, pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity to obtain a device list capable of being produced in a scheduling mode;
The embodiment is provided with 10 worksheets, and each worksheet corresponds to one material; each material has product attributes as shown in fig. 1.
The method comprises the following specific steps:
s201, setting a priority rule sequence of key attributes based on the product attributes;
the key properties of the product comprise an extrusion mode, a plastic material, a sectional area, a conductor structure, an outer diameter, a dominant color and a packaging mode.
The product key attribute priority rules comprise the same extrusion mode priority combination, the same plastic material priority combination, the same sectional area priority combination, the same conductor structure priority combination, the same outer diameter priority combination, the same dominant color priority combination and the same packaging mode priority combination.
Based on the principle of optimal production cost; when the production is required to meet the rules, priority relationships exist among the rules, and the priority order is 1-7 from high to low as shown in figure 3; the user is supported to drag and drop the priority order.
For priority 3, the cross-sectional area is from small to large; the production work unit products are combined according to the same sectional area, and the combination is arranged according to the order of the sectional areas from small to large;
for priority 6, dominant color is preferred; the main color is from light to deep, and the auxiliary color is from light to deep; the priority of colors needs to be defined in advance, and each color may be either a primary color or a secondary color, as shown in fig. 4.
S202, sequencing the worksheets based on a product key attribute priority rule to obtain a worksheet sequence;
Based on the worksheet and the rules and rule priorities; the system automatically calculates and sorts the worksheets to obtain a worksheet sequence shown in fig. 5:
S203, sequentially pairing the work order sequences to the devices with corresponding manufacturing capabilities to obtain a device list capable of being produced in a scheduling mode.
The method is to pair worksheets and equipment based on common characteristics of product attributes and manufacturing capabilities, and the matching is successful if and only if all parameters are matched one by one. Before scheduling, the user needs to define the manufacturing capabilities of the device, as shown in FIG. 6. Pairing a work order and equipment based on the product attribute and the manufacturing capability attribute of fig. 8, and if and only if all 5 attributes match one to one, the material can be produced by the corresponding equipment;
Such as:
extrusion mode work cell product: single extrusion equipment: single extrusion
Plastic material work order product: PVC equipment: PVC (polyvinyl chloride)
Printing mode work order product: ink equipment: printing ink
Packaging mode work list product: NPS400 x 200 device: NPS400 x 200
Cross-sectional area work cell product: 0.35 The device comprises: 0.35
Because the work order also relates to the constraint of the demand date, even if the work order is successfully paired when the work order is paired with the equipment, the work order can not be scheduled to the equipment when the scheduled pre-delivery date exceeds the demand date, and the next proper equipment needs to be continuously checked. When no suitable equipment exists, the demand date of the work order needs to be actively adjusted.
S104, acquiring manufacturing efficiency of the cable product corresponding to the standard output interval on each programmable device based on the device manufacturing capacity and the device historical production data;
The planned time consumption of the bank Cheng Shigong sheets is calculated by the system, and the manufacturing efficiency is the time consumption for calculating the work sheets.
Based on the equipment manufacturing capability and the historical work order production data, counting the production data with the same characteristics; defining a standard production interval of equipment production, automatically filtering out work orders of all planned production matched with the production interval according to the standard production interval, counting the actual total production of all work orders in the production interval, and obtaining the manufacturing efficiency shown in figure 7, wherein the manufacturing efficiency is calculated according to the following formula, and the actual total production km is 1000/the formula running speed m/min/the work order is time-consuming%
Work order planning time-consuming min=planned yield km of work order 1000/(recipe running speed m/min ×manufacturing efficiency%)
The manufacturing efficiency based on the historical work order production data is determined by the data statistics time period, and when the data statistics time period is modified, the manufacturing efficiency is automatically updated; when data of the past 60 days is taken as defined, the manufacturing efficiency may be different from that of data of the past 90 days calculated from the history data.
Standard manufacturing efficiency: standard manufacturing efficiencies are defined empirically by factory management; reference is made to manufacturing efficiency 4 below; in the above scenario, when no recipe is scheduled, the time consumption of the schedule of the work order can be calculated according to the standard manufacturing efficiency; formula reference manufacturing efficiency
Sampling yield km: the sample production is used to evaluate a sample count index of the historical production in the historical production data of the facility, if the historical production of the facility is less than the defined sample production, the historical manufacturing efficiency calculated based on the historical production data of the facility is not authentic, and the system calculates the planned production time of the line Cheng Gongshan according to the standard manufacturing efficiency; the following manufacturing efficiency is linked.
S105, calculating production time based on the process parameter formula;
The specific method is as follows: if the process formula exists on the equipment based on the obtained equipment list capable of scheduling the production work order, the production work order product is preferentially scheduled to the equipment with the process formula; if a process recipe exists in a plurality of equipment, calculating the planned production time of the production work order of the outgoing line product on each equipment with the process recipe according to the recipe running speed and the historical production efficiency or the standard production efficiency of the process recipe; if the process recipe is not present, the planned production time of the cable product production work order on the equipment is calculated according to the standard running speed and the standard manufacturing efficiency of the equipment.
The recipe is a set of process parameters, one for each cable product at each production facility. The process recipe comprises a plurality of equipment control parameters of the equipment, wherein the equipment control parameters comprise the recipe running speed m/min;
The process formula is created by process personnel and can appear in a real scene; when scheduling, firstly pairing the production work order into all the schedulable equipment based on the description of the 3f product attribute and the manufacturing capability, pairing the equipment with the process formula from the schedulable equipment, calculating the planned production time of the production work order in each equipment with the process formula according to the formula running speed and the manufacturing efficiency, judging whether the planned finishing time when the work order is scheduled to the equipment exceeds the work order demand date, and finishing pairing when the equipment with the first process formula and meeting the demand date requirement is paired; if the process formula does not exist, calculating the planned production time consumption of the production work order in each equipment with the process formula according to the standard running speed and standard manufacturing efficiency of the equipment, judging whether the planned finishing time of the work order when the work order is scheduled to the equipment exceeds the work order demand date, and finishing pairing when the first equipment meeting the demand date requirement is paired.
S106 compares the production time of each of the schedulable devices, and then, lines Cheng Wuliao to the device with the shortest planned production time.
In a second aspect, the present invention further provides a cable extrusion production scheduling system based on manufacturing efficiency, and the cable extrusion production scheduling method based on manufacturing efficiency is used for scheduling.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. A method for scheduling extrusion production of cables based on manufacturing efficiency is characterized in that,
Comprising the following steps: defining cable product attributes and device manufacturing capabilities;
sorting the production worksheets of the cable products based on the product attribute first order rule to obtain a worksheet execution sequence;
pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity to obtain a device list capable of being produced in a scheduling mode;
Acquiring manufacturing efficiency of the cable product on each of the schedulable devices corresponding to the standard yield interval based on the device manufacturing capability and the device historical production data;
calculating production time based on the operating speed and manufacturing efficiency within the process parameter recipe;
Comparing the planned production time of the execution worksheets of each of the schedulable devices, and placing Cheng Wuliao on the device with the shortest planned production time;
acquiring manufacturing efficiencies of the cable product on each of the schedulable devices corresponding to the standard yield interval based on the device manufacturing capability and the device history production data;
the planned time consumption of the line Cheng Shigong is calculated by the system, and the manufacturing efficiency is the time consumption for calculating the work order;
Based on the equipment manufacturing capability and the historical work order production data, counting the production data with the same characteristics; defining a standard production interval of equipment production; according to the standard yield interval, automatically filtering out work orders of all planned yield matched yield intervals; counting the actual total yield of all worksheets in the yield interval; the manufacturing efficiency is obtained, the manufacturing efficiency is calculated according to the following formula, the actual total yield km is 1000/the formula running speed m/min/the actual production time of the work order is percent
Work order planning time-consuming min = planned yield km of work order 1000/(recipe run speed m/min × manufacturing efficiency%).
2. The method of claim 1, wherein,
The product attributes include extrusion mode, plastic material, printing mode, packaging mode, conductor structure, sectional area, material, outer diameter, primary color and secondary color.
3. The method of claim 1, wherein,
The manufacturing capability includes extrusion mode, plastic material, printing mode, packaging mode, conductor structure, sectional area, material and standard running speed of equipment.
4. The method for scheduling cable extrusion production according to claim 3, wherein,
Pairing the work order products and the equipment based on the product attributes and the equipment manufacturing capacity, and obtaining a device list capable of being produced in a scheduling mode comprises the following specific steps:
setting a priority rule sequence of the key attribute based on the product attribute;
sequencing the worksheets based on the priority rule of the key attributes of the products to obtain a worksheet sequence;
pairing the work order sequences to the devices with corresponding manufacturing capabilities in turn to obtain a list of devices which can be produced in a scheduling manner.
5. The method of claim 4, wherein,
The priority parameters include co-extrusion, co-plastic material, co-cross sectional area, co-conductor structure, co-outer diameter, co-dominant color, and co-packaging.
6. The method of claim 5, wherein,
The specific modes for sequentially pairing the work order sequences to the equipment with corresponding manufacturing capability to obtain the equipment list capable of being produced are as follows: the product and the device are paired based on the product attributes and manufacturing capabilities, and the match is successful if and only if all parameters match one to one.
7. The method of claim 5, wherein,
The specific method for calculating the production time consumption based on the technological parameter formula comprises the following steps of: if the production work order product has a process parameter formula on the equipment, the production work order product is preferentially scheduled to the equipment with the process formula, if a plurality of equipment has the process parameter formula, the planned production time of the production work order of the cable product on each producible equipment is calculated according to the process parameters and the manufacturing efficiency; if the process parameter formula does not exist, calculating the planned production time of the cable product production work order on the equipment according to the default manufacturing capacity parameters and manufacturing efficiency of the equipment.
8. A manufacturing efficiency based cable extrusion production scheduling system, characterized in that the manufacturing efficiency based cable extrusion production scheduling method of any one of claims 1-7 is used for scheduling.
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