CN107263319B - One kind tracks method grinding wheel presetting cutter method and system - Google Patents
One kind tracks method grinding wheel presetting cutter method and system Download PDFInfo
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- CN107263319B CN107263319B CN201710378702.7A CN201710378702A CN107263319B CN 107263319 B CN107263319 B CN 107263319B CN 201710378702 A CN201710378702 A CN 201710378702A CN 107263319 B CN107263319 B CN 107263319B
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- grinding wheel
- displacement sensor
- laser displacement
- laser beam
- laser
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- 238000000227 grinding Methods 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 44
- 238000006073 displacement reaction Methods 0.000 claims abstract description 47
- 239000006061 abrasive grain Substances 0.000 claims description 9
- 238000012790 confirmation Methods 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/12—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation involving optical means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention belongs to extra hard material grinding wheel Grinding Technology fields, and in particular to one kind tracks method grinding wheel presetting cutter method and system.The following steps are included: the grinding wheel standard specimen that diameter is D0 is fixed on main shaft by (1), adjust the position L0 of laser displacement sensor and grinding wheel standard specimen, D0 and L0 information input is tracked method system software, the lasing beam diameter (2) that laser displacement sensor is arranged opens laser displacement sensor, adjust the position of grinding wheel, beat laser beam in grinding wheel cylindrical edge, and set safe distance S(3) input grinding wheel diameter D, if D is greater than D0, control system drives grinding wheel to the mobile D-D0 in the direction far from laser beam；If D is less than D0, then control system drives grinding wheel to close to the mobile D0-D(4 in the direction of laser beam) it clicks to knife button, pass through the value of feedback L(5 of laser displacement sensor judgement displacement) according to the coordinate value at the grinding wheel maximum gauge that searches out, set lathe to knife starting point.
Description
Technical field
The invention belongs to extra hard material grinding wheel Grinding Technology fields, and in particular to one kind tracks method grinding wheel presetting cutter method
And system.
Background technique
Grinding is led in efficient, accurate and super hard abrasive etc. as a kind of high-precision processing technology, developing direction
Domain formation advances side by side, be mutually related trend.The appearance and development of super hard abrasive are expansion grinding application range and rush
It is created condition into high efficient grinding processing development, the application study of grinding just develops towards accurate, efficient direction.
Grinding machine is link critically important in Grinding Process to knife, will have a direct impact on the processing of workpiece to the precision of knife
Quality, common at present sound and spark diagnostic method need to lean on experienced operator master worker that could differentiate to knife starting point,
Since there is a certain error for human factor, and it is easy by ambient noise interference；It is reserved to knife distance using clearance gauge or paper
Method, be easy to cause grinding wheel to wound workpiece, so processing efficiency have to be sacrificed, reserve largely to knife distance, processing efficiency
It is lower.Tradition is not able to satisfy the processing needs of precise high-efficiency grinding to the method for knife, this is also the deficiencies in the prior art place.
Application No. is the patents of CN201610588655.4 to provide a kind of precision using wheel face highest point to knife
Presetting cutter method is modified, the highest point of acquisition grinding wheel radial direction is used as to knife starting point, improves precise dressing to knife precision, but due to adopting
The highest point of collection is only the data of annulus on some circumference of grinding wheel, is not at the maximum outer circle of wheel face, cannot be accurate
Reflect the contact position coordinate of grinding wheel and workpiece, there is a certain error.
Application No. is the patents of 200810306601.X to provide a kind of compensation system method of multi-axis NC Machine Tools cutter,
Reduce multiple tool wears it is inconsistent caused by systematic error, but be only the length for having detected cutter, there is no cutters
The wear factors data such as diameter, angle.
Application No. is the patents of CN201510969108.6 to provide a kind of side of online wear-compensating of Cutters In Mc
Method measures the change in size in tri- directions X, Y, Z of cutter, input system, compensation processing ginseng in cutter low speed rotation
Number.This method does not measure under low speed rotation, does not consider the factors such as expansion, the deformation of high speed rotation lower grinding wheel, is suitable for boring milling
The processing of bed, is not suitable for wheel grinding precision to knife.
Summary of the invention
Track method grinding wheel presetting cutter method and system the object of the present invention is to provide one kind, improve grinding wheel to knife precision and effect
Rate avoids grinding wheel disfiguring workpiece.
The object of the present invention is achieved in the following manner: one kind tracks method grinding wheel presetting cutter method, the following steps are included:
(1) the grinding wheel standard specimen that a diameter is D0 is fixed on main shaft, adjusts the position of laser displacement sensor Yu grinding wheel standard specimen
After L0, the relative position L0 information input of the diameter D0 of grinding wheel standard specimen and grinding wheel standard specimen and laser displacement sensor are tracked the genealogy of law
As calculating judgment basis, and the lasing beam diameter of laser displacement sensor is arranged in system software；(2) laser displacement sensing is opened
Device adjusts the position of grinding wheel, beats laser beam in grinding wheel cylindrical edge, and sets safe distance S, and grinding wheel is in safe distance S
Inside fast move；(3) grinding wheel diameter D is inputted, if D is greater than D0, control system drives grinding wheel to the direction far from laser beam
Mobile D-D0；If D is less than D0, control system drives grinding wheel to close to the mobile D0-D in the direction of laser beam；(4) it clicks to knife
Button, by the value of feedback L of laser displacement sensor judgement displacement, decision process is as follows: if 1) L0-2dg < L < L0+2dg,
Wherein dg is abrasive grain diameter, then is determined as that the laser beam of laser displacement sensor is beaten on grinding wheel, in safe distance, at this moment instead
It is fed back to machine tool controller, grinding wheel fast moves, so that laser beam quickly searches out the outer circle of grinding wheel；If 2) L0+2dg < L≤L0
+ T, T are grinding wheel thickness, then are determined as that the laser beam of laser displacement sensor is beaten on certain abrasive grain of grinding wheel cylindrical, at this moment instead
It is fed back to machine tool controller, grinding wheel micron accuracies are fed, if after going beyond the scope, in return a bit, until precision controlling is at 2 μm
Within, after clicking confirmation, complete to knife process；If 3) L > L0+T, the laser beam of laser displacement sensor has been determined as it
Grinding wheel is crossed, machine tool controller is at this moment fed back to, grinding wheel is needed to be back to a coordinate, until searching out the maximum of grinding wheel
Coordinate value at diameter, finally takes optimal solution；(5) according to the coordinate value at the grinding wheel maximum gauge searched out, lathe is set
To knife starting point, i.e., the starting point that is contacted as the grinding wheel of grinding program with workpiece.
Lasing beam diameter described in the step (1) is not more than the 1/3 of abrasive grain diameter.
Laser beam described in the step (2) is beaten in grinding wheel cylindrical edge at 1~2mm.
One kind tracks method grinding wheel setting system, including the grinding wheel and fixation that are mounted on main shaft or is built in swashing on lathe
Optical displacement sensor, laser displacement sensor are located at the axial direction of grinding wheel, and laser displacement sensor is by grinding wheel and laser displacement
The relative position information of sensor feeds back to the method system software that tracks, and the method system software of tracking will determine to tie after making calculating judgement
Fruit feeds back to machine tool numerical control system, and it is mobile that machine tool numerical control system controls grinding wheel.
The beneficial effects of the present invention are: realizing the quick tool setting during wheel grinding using laser displacement sensor, adopting
With this new method can improve grinding wheel to knife precision and efficiency, avoid grinding wheel disfiguring workpiece, can by half an hour even it is several small
What Shi Caineng was completed works to knife, shortens in 1-3 minutes and completes, to significantly improve accurate grinding processing efficiency；It can be
On high speed grinding machine rapidly, be exactly found grinding wheel to knife starting point, improve the precision and efficiency of high-speed grinding.
Detailed description of the invention
Fig. 1 is setting system scheme of installation.
Fig. 2 is to knife logic judgment schematic diagram.
Fig. 3 is setting system interface schematic diagram.
Specific embodiment
As shown in Figures 1 to 3, one kind tracks method grinding wheel presetting cutter method, comprising the following steps: (1) is D0's by a diameter
Grinding wheel standard specimen is fixed on main shaft 1, after the position L0 for adjusting laser displacement sensor and grinding wheel standard specimen, by the straight of grinding wheel standard specimen
The relative position L0 information input of diameter D0 and grinding wheel standard specimen and laser displacement sensor tracks method system software, judges as calculating
Foundation, and the lasing beam diameter of laser displacement sensor is set, in order to reduce error, the laser beam of laser displacement sensor is straight
Diameter is preferably smaller, does not exceed the 1/3 of abrasive grain diameter generally, and grinding wheel thinner for abrasive grain can choose minimum laser beam
Diameter is general to recommend 20 μm of lasing beam diameter；(2) laser displacement sensor is opened, the position of grinding wheel is adjusted, beats laser beam
In grinding wheel cylindrical edge at 1~2mm, and safe distance S is set, grinding wheel fast moves in safe distance S；(3) grinding wheel is inputted
Diameter D, if D is greater than D0, control system drives grinding wheel to the mobile D-D0 in the direction far from laser beam；If D is less than D0,
Control system drives grinding wheel to close to the mobile D0-D in the direction of laser beam；(4) it clicks to knife button, passes through laser displacement sensor
Judge the value of feedback L of displacement, decision process is as follows: if 1) L0-2dg < L < L0+2dg, wherein dg is abrasive grain diameter, then determines
It is beaten on grinding wheel for the laser beam of laser displacement sensor, in safe distance, at this moment feeds back to machine tool controller, grinding wheel is quick
It is mobile, so that laser beam quickly searches out the outer circle of grinding wheel；2) if L0+2dg < L≤L0+T, T are grinding wheel thickness, then it is determined as
The laser beam of laser displacement sensor is beaten on certain abrasive grain of grinding wheel cylindrical, and machine tool controller, grinding wheel micron are at this moment fed back to
Class precision feeding, if after going beyond the scope, in return a bit, until precision controlling within 2 μm, is clicked after confirming, completion pair
Knife process；If 3) L > L0+T, it is determined as that the laser beam of laser displacement sensor has passed over grinding wheel, at this moment feeds back to machine
Bed controller needs grinding wheel to be back to a coordinate, until searching out the coordinate value at the maximum gauge of grinding wheel, finally takes most
Excellent solution；(5) according to the coordinate value at the grinding wheel maximum gauge that searches out, set lathe to knife starting point, i.e., as grinding journey
The starting point that the grinding wheel of sequence is contacted with workpiece, an emergency situation is encountered, please presses program rapid stop key or lathe rapid stop key rapidly；(6)
The diameter Dw at workpiece grinding is inputted, numerical control program is opened, starts to be ground workpiece.
One kind tracks method grinding wheel setting system, the grinding wheel 2 including being mounted on main shaft 1 and fixed or be built on lathe
Laser displacement sensor 3, laser displacement sensor 3 are located at the axial direction of grinding wheel 2, so that laser can be beaten at the edge of grinding wheel
The relative position information of grinding wheel 2 and laser displacement sensor 3 is fed back to the method system software that tracks by place, laser displacement sensor 3
4, the method that tracks system software 4 will determine that result feeds back to machine tool numerical control system 5 after making calculating judgement, and machine tool numerical control system 5 is controlled
Grinding wheel 2 processed is mobile.
The present invention is based on the principles of laser displacement sensor displacement, and the maximum outer circle of grinding wheel is determined by computer program
Coordinate value, online feedback return numerical control of machine tools program, avoid manually input data be easy to generate human error, cause data
Mistake to influence the processing of product, and using maximum outer circle coordinate value as wheel grinding to the starting point of knife.
Claims (1)
- The method grinding wheel presetting cutter method 1. one kind tracks, for this method using the method grinding wheel setting system that tracks, which includes being mounted on master Grinding wheel and fixation on axis or the laser displacement sensor being built on lathe, laser displacement sensor are located at the axial direction side of grinding wheel To the relative position information of grinding wheel and laser displacement sensor is fed back to the method system software that tracks by laser displacement sensor, is sought Mark method system software will determine that result feeds back to machine tool numerical control system after making calculating judgement, and machine tool numerical control system controls grinding wheel and moves It is dynamic；It is characterized by: method the following steps are included: (1) by a diameter be D0 grinding wheel standard specimen be fixed on main shaft, adjust After the relative position L0 of good laser displacement sensor and grinding wheel standard specimen, the lasing beam diameter of laser displacement sensor is set；(2) it opens Laser displacement sensor is opened, the position of grinding wheel is adjusted, beats laser beam in grinding wheel cylindrical edge, and sets safe distance S, sand Wheel fast moves in safe distance S；(3) grinding wheel diameter D is inputted, if D is greater than D0, control system drives grinding wheel to separate The mobile D-D0 in the direction of laser beam；If D is less than D0, control system drives grinding wheel to close to the mobile D0- in the direction of laser beam D；(4) it clicks to knife button, by the value of feedback L of laser displacement sensor judgement displacement, decision process is as follows: if 1) L0- 2dg < L < L0+2dg, wherein dg is abrasive grain diameter, then is determined as that the laser beam of laser displacement sensor is beaten on grinding wheel, in safety In distance, machine tool controller is at this moment fed back to, grinding wheel fast moves, so that laser beam quickly searches out the outer circle of grinding wheel；2) such as Fruit L0+2dg < L≤L0+T, T are grinding wheel thickness, then are determined as that the laser beam of laser displacement sensor beats certain in grinding wheel cylindrical On abrasive grain, machine tool controller is at this moment fed back to, grinding wheel micron accuracies are fed, if after going beyond the scope, in return a bit, until Precision controlling is within 2 μm, after clicking confirmation, completes to knife process；3) if L > L0+T is determined as laser displacement sensor Laser beam have passed over grinding wheel, at this moment feed back to machine tool controller, grinding wheel needed to be back to a coordinate, until find Coordinate value at the maximum gauge of grinding wheel out, finally takes optimal solution；(5) according to the coordinate at the grinding wheel maximum gauge searched out Value, set lathe to knife starting point, i.e., the starting point that is contacted as the grinding wheel of grinding program with workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378702.7A CN107263319B (en) | 2017-05-25 | 2017-05-25 | One kind tracks method grinding wheel presetting cutter method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710378702.7A CN107263319B (en) | 2017-05-25 | 2017-05-25 | One kind tracks method grinding wheel presetting cutter method and system |
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| CN107263319A CN107263319A (en) | 2017-10-20 |
| CN107263319B true CN107263319B (en) | 2019-11-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111922765A (en) * | 2020-08-14 | 2020-11-13 | 上海交通大学 | Automatic tool setting system and method based on spectral confocal displacement sensor |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880603A (en) * | 2021-01-14 | 2021-06-01 | 北京精雕科技集团有限公司 | Cutter diameter measuring device based on dynamic measurement |
| CN114290240B (en) * | 2021-12-22 | 2023-04-11 | 科德数控股份有限公司 | Online grinding wheel detection method for blade tip grinding machine |
| CN114871955B (en) * | 2022-05-25 | 2023-05-05 | 郑州磨料磨具磨削研究所有限公司 | Precise machining method and system for superhard abrasive grinding tool |
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| CN111922765A (en) * | 2020-08-14 | 2020-11-13 | 上海交通大学 | Automatic tool setting system and method based on spectral confocal displacement sensor |
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| CN107263319A (en) | 2017-10-20 |
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