CN101934484A - Method and device for grinding cutter - Google Patents

Method and device for grinding cutter Download PDF

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Publication number
CN101934484A
CN101934484A CN2009103038298A CN200910303829A CN101934484A CN 101934484 A CN101934484 A CN 101934484A CN 2009103038298 A CN2009103038298 A CN 2009103038298A CN 200910303829 A CN200910303829 A CN 200910303829A CN 101934484 A CN101934484 A CN 101934484A
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China
Prior art keywords
cutter
processing
emery wheel
unit
module
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CN2009103038298A
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Chinese (zh)
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CN101934484B (en
Inventor
丁继东
欧阳渺安
李军旗
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鸿富锦精密工业(深圳)有限公司
鸿海精密工业股份有限公司
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Priority to CN 200910303829 priority Critical patent/CN101934484B/en
Publication of CN101934484A publication Critical patent/CN101934484A/en
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Publication of CN101934484B publication Critical patent/CN101934484B/en

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Abstract

The invention relates to a method for grinding a cutter by using a grinding wheel, which comprises the following steps of: building a grinding wheel database for storing the information of grinding wheels; building a technic database for storing processing technic units of a processing surface of the cutter; decomposing the processing surface of the cutter to be processed, selecting the processing technic unit corresponding to each processing surface from the technic database, selecting a grinding wheel for processing the processing surface from the grinding wheel database, and combining the processing technic units to form processing technic; generating the numerical control code of the cutter according to the processing technic; and downloading the numerical control code to a processing module for numerical control processing. The method can conveniently realize the numerical control grinding of the cutter. The invention also provides a cutter grinding device.

Description

Tool grinding processing method and device

Technical field

The present invention relates to a kind of numerical control processing apparatus and method, relate in particular to a kind of tool grinding processing method and device of using CAD/CAM system.

Background technology

CAD (Computer Aided Design, CAD) and CAM (Computer AidedManufacturing, computer-aided manufacturing) is to be that the major technique means generate and use various digital informations, draws engineering drawing and the establishment numerical control code carries out product design and manufacturing with instead of manual with computer numerical control technology, computer graphics techniques, computer data analytical technology.

The existing CAD/CAM system is generally general module, use it and add man-hour, at first in the CAD module, set up the threedimensional model of part, then according to the processing technology of threedimensional model design elements, the CAM module is planned the machining locus of part according to processing technology, and the track data of generation machining tool, the CAM module is carried out the postposition processing then, the track data of machining tool is converted to suitable CNC (Computer Numerical Control, Digit Control Machine Tool) numerical control code file, at last the numerical control code file is downloaded among the CNC, CNC carries out this numerical control code and processes.Yet, to the equal method complexity comparatively of product design and technological design, and the cutting tool that carries out grinding formation by emery wheel, such as milling cutter, drill bit etc., use above-mentioned CAD/CAM system and add man-hour, need to set up the cutter model that comprises numerous geometric parameters, and general general module is not provided with the abrasive grinding wheel database, thus the difficult trajectory planning that generates processing technology and process.

Summary of the invention

In view of foregoing, be necessary to provide a kind of CAD/CAM of application technology cutter to be carried out the method and the device of grinding.

A kind of method that adopts emery wheel that cutter is carried out grinding, it may further comprise the steps: set up and preserve the emery wheel database of emery wheel information; Set up the technological data bank of the processing technology unit of storage cutter machined surface; The machined surface that decomposes cutter to be processed, the emery wheel of from technological data bank, selecting the processing technology unit corresponding and from the emery wheel database, selecting to process this machined surface with each machined surface, and the processing technology unit is combined to form processing technology; Generate the numerical control code of cutter according to processing technology; Numerical control code is downloaded to processing module carries out digital control processing.

A kind of tool grinding processing unit (plant), it comprises the CAPP module, is used to generate the processing technology of cutter; The CAM module is used for generating numerical control code according to this processing technology; Processing module is used to carry out this numerical control code and processes.It also comprises the emery wheel database of storage emery wheel information and the technological data bank of storing the processing technology unit of cutter machined surface, this CAPP module is used for the machined surface according to cutter to be processed, from technological data bank, select the processing technology unit corresponding and selection is used to process this machined surface from the emery wheel database emery wheel, and the processing technology unit is combined to form processing technology with each machined surface.

Above-mentioned employing emery wheel carries out grinding to cutter method is preserved the technological data bank of processing technology unit of cutter machined surface and the emery wheel database of preserving emery wheel information by foundation, when carrying out the grinding of cutter, by decomposing the machined surface of cutter to be processed, the emery wheel of from technological data bank, selecting the processing technology unit corresponding and from the emery wheel database, selecting this machined surface of processing with each machined surface, by the processing technology unit combination can being formed the processing technology that is applicable to tool grinding processing, thereby use the grinding that said method can be realized cutter comparatively easily.

Description of drawings

Fig. 1 is the employing emery wheel of embodiment of the present invention carries out the processing unit (plant) of grinding to cutter the block diagram of system.

Fig. 2 uses the flow chart that processing unit (plant) shown in Figure 1 carries out tool grinding processing.

The specific embodiment

Below in conjunction with drawings and the embodiments employing emery wheel of the present invention is described in further detail method and the device that cutter carries out grinding.

See also Fig. 1, the tool grinding processing unit (plant) of the embodiment of the invention comprises CAD module 10, CAPP (Computer AidedProcess Planning, the design of CAP process) module 20, CAM module 30, processing module 40, data communication module 60 and the DBM 70 that carries out data communication by data communication module 60 and CAD module 10, CAPP module 20 and CAM module 30.Wherein, DBM 70 comprises cutter database 71, emery wheel database 72 and technological data bank 73.Information such as the geometric parameter of the various cutters of storage and threedimensional model in the cutter database 71, the information of the various emery wheels of storage in the emery wheel database 72, the processing processing technology unit of each basic machined surface of storage cutter in the technological data bank 73.

CAD module 10 comprises cutter molding unit 11 and emery wheel molding unit 12, and the moulding and the entity that are respectively applied for cutter and emery wheel show.The information of the cutter that cutter molding unit 11 generates can be saved in the cutter database 71, and the information of this cutter comprises tool type, geometric parameter, tolerance, surface roughness etc.The information of the emery wheel that emery wheel molding unit 12 generates can be saved in the emery wheel database 72.

CAPP module 20 is used to form the grinding technique of cutter, it at first decomposes the machined surface of cutter to be processed, from technological data bank 72, select the processing technology unit corresponding then, and the order that the parameter of processing technology unit is set and adjusts each processing technology unit according to actual processing is with the formation processing technology with machined surface.CAPP module 20 selects to be used to process the emery wheel of this machined surface from the emery wheel database, and will form the emery wheel group by the position relation that is provided with between the emery wheel, sets machined parameters such as the employed emery wheel model and the amount of feeding in the processing technology then.

The tool grinding technology that CAPP module 20 forms can be stored in the technological data bank 73, and is follow-up when carrying out similar technological design, can directly transfer corresponding information from technological data bank 73.This technological data bank 73 can comprise standard cutter grinding process storehouse, drill bit grinding process storehouse and profile milling cutter grinding process storehouse, to be applicable to the grinding of different cutting elements.

CAM module 30 comprises trajectory planning unit 31, rearmounted processing unit 32 and machining simulation unit 33.

Trajectory planning unit 31 is used for the process data according to CAPP module 20 generations that receive, the movement locus of planning emery wheel and adopt between each emery wheel of emery wheel group switching be connected, and the movement locus of emery wheel and cutter is optimized, with path and the working (machining) efficiency that obtains preferable processing.

Machining simulation unit 33 carries out machining simulation according to the emery wheel of trajectory planning unit 31 generations and the threedimensional model of cutting tool path and processing module 40.Machining simulation is tested to the interference of overtravel, emery wheel and the processing module 40 of processing module in the process 40 and the correctness of collision and movement locus.The threedimensional model of multiple processing module is stored in machining simulation unit 33, and each kinematic axis, emery wheel and other parts of processing module are carried out attribute configuration and show control, selects during for machining simulation to use.

The emery wheel that rearmounted processing unit 32 is set the trajectory planning unit 31 that receives and the movement locus of cutter are converted to processing module 40 employed numerical control codes.The axle of the multiple processing module 40 of storage is configuration files such as configuration file and digital control system specifications and models in the post processor unit 32, and the processing module that adopts according to reality during for rearmounted the processing is selected to use.

Processing module 40 comprises machining cell 41, measuring unit 42, computer numerical control unit 43 and interface unit 45.In the present embodiment, machining cell 41 is five cutter sharpeners, it has servo control mechanism, this servo control mechanism can move under the control of computer numerical control unit 43, the emery wheel group is installed, such as the emery wheel group of forming by flat emery wheel, dish emery wheel, cup emery wheel, fillet emery wheel and wedge angle emery wheel etc. on the main shaft of five cutter sharpeners.

Measuring unit 42 comprises location measurement unit (figure does not show), and it is used for measuring the position of cutter at machining cell 41 coordinate systems, to determine the starting point of processing.Specifically in the present embodiment, measuring unit 42 is installed on five cutter sharpeners, and after the blank of cutter was clamped in five cutter sharpeners, measuring unit 42 was measured the length of blank, and the length that records is sent to computer numerical control unit 43.

Computer numerical control unit 43 is used for tool position control machining cell motion 41 actions that the numerical control code that generates according to rearmounted processing unit 32 and measuring unit 42 obtain, and emery wheel is processed the machined surface of cutter.

Interface unit 45 is used to control the data communication of computer numerical control unit 43 and CAM module 30, when computer numerical control unit 43 is connected with the mode of CAM module 30 employing off-lines, by this interface unit 45 numerical control code is downloaded in the computer numerical control unit 43.

Data communication module 60 is used to control the data communication between CAD module 10, CAPP module 20, CAM module 30, processing module 40 and the DBM 70, and it can or adopt the transmission of form control datas such as serial ports, network interface by software programming.

Processing unit (plant) also can further comprise system management module 50, and this system management module 50 is used to carry out data maintenance, design scheduling and system configuration etc.

Below introduce and use the method that above-mentioned processing unit (plant) carries out grinding to cutter, detailed step is as follows:

Step S101: set up and preserve the emery wheel database of emery wheel information.

This emery wheel information comprises type, size, threedimensional model and the machined parameters etc. of emery wheel.The moulding of emery wheel can be finished by the CAD module.The type of emery wheel can comprise flat emery wheel, dish emery wheel, cup emery wheel, fillet emery wheel and wedge angle emery wheel etc.

Step S102: the technological data bank of setting up the processing technology unit of storage cutter machined surface.

With four blade milling cutters is example, and its machined surface mainly comprises the rake face and the back knife face etc. of chip pocket face, end sword.The processing technology unit comprises technological parameters such as the rotating speed of the emery wheel type that processes above-mentioned various machined surface and adopt, the type of cooling, emery wheel and cutting output.The method for building up and four blade milling cutters of the processing technology unit of the machined surface of the cutter of other types are similar.

Step S103: the machined surface that decomposes cutter to be processed, from technological data bank, select the processing technology unit corresponding with each machined surface, from the emery wheel database, select to be used to process the emery wheel of this machined surface, and the processing technology unit is combined to form processing technology.

The machined surface of cutter to be processed is decomposed, CAPP module 20 is selected corresponding with it processing technology unit and the technological parameter adjustment to being correlated with according to each machined surface from technological data bank 71, select processing technology units match therewith then from emery wheel storehouse 72 and be used to process the emery wheel of this machined surface, and select the control parameters such as rotating speed of emery wheel.

Step S104: the position and the machined parameters of emery wheel are set, emery wheel is combined into the emery wheel group, and the movement locus of planning emery wheel and cutter.

Selection is used to process the emery wheel of the machined surface of cutter, emery wheel is combined to form the emery wheel group and is disposed on the main shaft of processing module 40.Be optimized according to the trajectory planning unit of CAPP module 20 movement locus 31 pairs of each emery wheels and cutter, with move distance, the raising working (machining) efficiency that reduces emery wheel.

Step S105: form the cutter moulding according to processing technology.

The CAD module forms each machined surface that processing technology can process, and should a plurality of machined surfaces and a base substrate be combined to form the cutter moulding.The cutter that forms causes and can be stored in the cutter database, so that when designing similar cutter, can transfer from the cutter database.When the cutter moulding that shows in the CAD module does not reach designing requirement, can return step S103 redesign processing technology.

Step S106: the model of processing module is provided, and in the model of this processing module, carries out machining simulation according to the movement locus of this emery wheel and cutter.

The emery wheel that machining simulation unit 33 receiving locus planning units 31 generate and the motion trace data of cutter are simulated the process of reality.Situations such as five cutter sharpener overtravels, emery wheel and five cutter sharpener interference and collisions and motion trace data are unusual occur if the result of emulation shows in the process, the user can return step S103 redesign processing technology.

Step S107: the numerical control code that generates cutter according to processing technology.

Rearmounted processing unit 32 is converted to the numerical control code that five cutter sharpeners can be discerned and use with the emery wheel of trajectory planning unit 31 settings and the motion trace data of cutter.

Step S108: measure the tool position to determine the original position of processing.

Measuring unit 42 is measured the length of cutter to determine the original position of cutter in machining cell 41 coordinate systems, and the information of this original position is sent to the computer numerical control unit 43 of processing module 40, computer numerical control unit 43 is according to the starting point of the start position setting processing of cutter.

Step S109: numerical control code is downloaded to processing module carries out digital control processing.

Original position control machining cell motion 41 actions of the cutter that numerical control code that computer numerical control unit 43 generates according to rearmounted processing unit 32 and measuring unit 42 obtain.

The processing method of the embodiment of the invention is preserved the technological data bank of processing technology unit of cutter machined surface and the emery wheel database of preserving emery wheel information by foundation, when carrying out the grinding of a certain cutter, by decomposing the machined surface of cutter to be processed, the emery wheel of selecting the processing technology unit corresponding with each machined surface and select this machined surface of processing from the emery wheel database from technological data bank is by forming the processing technology unit combination processing technology that is applicable to tool grinding processing.

It should be noted that, above embodiment only is used to illustrate technical scheme of the present invention and is unrestricted, although the present invention is had been described in detail with reference to better embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.

Claims (10)

1. method that adopts emery wheel that cutter is carried out grinding, it may further comprise the steps:
The emery wheel database of emery wheel information is preserved in foundation;
Set up the technological data bank of the processing technology unit of storage cutter machined surface;
The machined surface that decomposes cutter to be processed, the emery wheel of from technological data bank, selecting the processing technology unit corresponding and from the emery wheel database, selecting to process this machined surface with each machined surface, and the processing technology unit is combined to form processing technology;
Generate the numerical control code of cutter according to processing technology;
Numerical control code is downloaded to processing module carries out digital control processing.
2. tool grinding processing method as claimed in claim 1 also comprises step: form the cutter moulding according to processing technology.
3. tool grinding processing method as claimed in claim 1 also comprises step: the position and the machined parameters of the emery wheel that this selection obtains is set, a plurality of emery wheels is combined into the emery wheel group, and the movement locus of planning emery wheel and cutter.
4. tool grinding processing method as claimed in claim 1 also comprises step: the model of processing module is provided, and carries out machining simulation according to the movement locus of this emery wheel and cutter in the model of this processing module.
5. tool grinding processing method as claimed in claim 1 also comprises step: measure the position of cutter in processing module to determine the original position of processing.
6. tool grinding processing unit (plant), it comprises the CAPP module, is used to generate the processing technology of cutter; The CAM module is used for generating numerical control code according to this processing technology; Processing module, being used to carry out this numerical control code processes, it is characterized in that: it also comprises the emery wheel database of storage emery wheel information and the technological data bank of storing the processing technology unit of cutter machined surface, this CAPP module is used for the machined surface according to cutter to be processed, from technological data bank, select the processing technology unit corresponding and selection is used to process this machined surface from the emery wheel database emery wheel, and the processing technology unit is combined to form processing technology with each machined surface.
7. tool grinding processing unit (plant) as claimed in claim 6, it is characterized in that: this processing module comprises machining cell, measuring unit, computer numerical control unit and interface unit, measuring unit is used for measuring the position of cutter at processing module, the computer numerical control unit is used for according to the numerical control code of the CAM module generation that receives and the Position Control machining cell action that measuring unit obtains cutter, the data communication between this interface unit control computer numerical control unit and the CAM module.
8. tool grinding processing unit (plant) as claimed in claim 6 is characterized in that: comprise that also is used for a CAD module of carrying out cutter moulding and demonstration according to the processing technology that the CAPP module forms.
9. tool grinding processing unit (plant) as claimed in claim 1 is characterized in that: this CAM module comprises the trajectory planning unit, and the processing technology that is used for generating according to the CAPP module is planned the movement locus of emery wheel and cutter.
10. tool grinding processing unit (plant) as claimed in claim 9 is characterized in that: this CAM module also comprises the machining simulation unit, is used to store the model of processing module and carries out machining simulation according to this emery wheel of trajectory planning unit generation and the movement locus of cutter.
CN 200910303829 2009-06-29 2009-06-29 Method and device for grinding cutter CN101934484B (en)

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CN 200910303829 CN101934484B (en) 2009-06-29 2009-06-29 Method and device for grinding cutter
JP2010059102A JP2011005625A (en) 2009-06-29 2010-03-16 Method and apparatus for grinding cutting tool

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Cited By (13)

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CN102765136A (en) * 2012-07-12 2012-11-07 深圳市常兴金刚石磨具有限公司 Grinding machining method for small-sized drill bit
CN103143991A (en) * 2013-02-04 2013-06-12 深圳众为兴技术股份有限公司 Numerical control system-based tool grinding method, device and system
CN103454972A (en) * 2013-06-26 2013-12-18 厦门钨业股份有限公司 Tool five-axis numerical control grinding automatic programming method based on UG NX API
CN104460525A (en) * 2014-11-11 2015-03-25 Abb技术有限公司 Method and system for constructing part machining method
CN104875104A (en) * 2015-05-14 2015-09-02 常州大思世成机电科技有限公司 Wheel hub irregular curved surface polishing method based on CAD/CAM technologies
CN104914786A (en) * 2015-05-22 2015-09-16 厦门钨业股份有限公司 UG NX secondary development based numerical control blade periphery grinding parameterization programming method
CN105676774A (en) * 2014-11-18 2016-06-15 山东德瑞数控设备股份有限公司 Non-circular irregular excircle piston numerical control processing system and control method thereof
CN106019983A (en) * 2016-05-26 2016-10-12 哈尔滨理工大学 Numerical control rough milling simulation system based on curved surface deformation
CN104155919B (en) * 2014-08-11 2017-03-15 浙江陀曼精密机械有限公司 Bearing ring processing control method
CN107807610A (en) * 2017-09-04 2018-03-16 昆明理工大学 The complex curved surface parts mechanical arm system of processing and method in a kind of feature based storehouse
CN107838751A (en) * 2017-11-22 2018-03-27 西安航天发动机厂 Processing method with point of a knife cross cutting knife
CN108098515A (en) * 2017-12-12 2018-06-01 科德数控股份有限公司 A kind of method using a variety of forming grinding wheel processing drill groove profiles
CN110052654A (en) * 2019-04-25 2019-07-26 厦门鸿鹭联创工具有限公司 The design method of chip breaking type milling cutter

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Cited By (17)

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Publication number Priority date Publication date Assignee Title
CN102765136A (en) * 2012-07-12 2012-11-07 深圳市常兴金刚石磨具有限公司 Grinding machining method for small-sized drill bit
CN103143991A (en) * 2013-02-04 2013-06-12 深圳众为兴技术股份有限公司 Numerical control system-based tool grinding method, device and system
CN103454972B (en) * 2013-06-26 2016-01-20 厦门钨业股份有限公司 Based on the method for the cutter five-shaft numerical control grinding automated programming of UG NX API
CN103454972A (en) * 2013-06-26 2013-12-18 厦门钨业股份有限公司 Tool five-axis numerical control grinding automatic programming method based on UG NX API
CN104155919B (en) * 2014-08-11 2017-03-15 浙江陀曼精密机械有限公司 Bearing ring processing control method
CN104460525B (en) * 2014-11-11 2017-07-14 Abb技术有限公司 Method and system for building method of processing parts
CN104460525A (en) * 2014-11-11 2015-03-25 Abb技术有限公司 Method and system for constructing part machining method
CN105676774B (en) * 2014-11-18 2019-01-22 滨州市欧科数控设备有限公司 The digital-control processing system and control method of non-circular irregular excircle piston
CN105676774A (en) * 2014-11-18 2016-06-15 山东德瑞数控设备股份有限公司 Non-circular irregular excircle piston numerical control processing system and control method thereof
CN104875104A (en) * 2015-05-14 2015-09-02 常州大思世成机电科技有限公司 Wheel hub irregular curved surface polishing method based on CAD/CAM technologies
CN104914786A (en) * 2015-05-22 2015-09-16 厦门钨业股份有限公司 UG NX secondary development based numerical control blade periphery grinding parameterization programming method
CN106019983A (en) * 2016-05-26 2016-10-12 哈尔滨理工大学 Numerical control rough milling simulation system based on curved surface deformation
CN107807610A (en) * 2017-09-04 2018-03-16 昆明理工大学 The complex curved surface parts mechanical arm system of processing and method in a kind of feature based storehouse
CN107838751A (en) * 2017-11-22 2018-03-27 西安航天发动机厂 Processing method with point of a knife cross cutting knife
CN107838751B (en) * 2017-11-22 2019-04-16 西安航天发动机厂 Processing method with point of a knife cross cutter
CN108098515A (en) * 2017-12-12 2018-06-01 科德数控股份有限公司 A kind of method using a variety of forming grinding wheel processing drill groove profiles
CN110052654A (en) * 2019-04-25 2019-07-26 厦门鸿鹭联创工具有限公司 The design method of chip breaking type milling cutter

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