CN106826392A - One kind is based on workpiece on-line checking automatic compensating method - Google Patents
One kind is based on workpiece on-line checking automatic compensating method Download PDFInfo
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- CN106826392A CN106826392A CN201710259784.3A CN201710259784A CN106826392A CN 106826392 A CN106826392 A CN 106826392A CN 201710259784 A CN201710259784 A CN 201710259784A CN 106826392 A CN106826392 A CN 106826392A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/14—Control or regulation of the orientation of the tool with respect to the work
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- Mechanical Engineering (AREA)
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Abstract
Workpiece on-line checking automatic compensating method is based on the present invention relates to one kind, the workpiece after processing is measured in real time, obtain reality processing size, by contrast standard workpiece size and reality processing size, calculate dimensional discrepancy value；First after the nc program according to the dimensional discrepancy next workpiece of value amendment of a upper workpiece, then the processing for carrying out next workpiece.The present invention realizes the real-time big closed loop quality management and control of work pieces process, reduces workpiece size error, improves workpiece qualification rate, greatly improves machining accuracy.
Description
Technical field
The present invention relates to Digit Control Machine Tool manufacture field, more particularly, to be that one kind is compensated automatically based on workpiece on-line checking
Method.
Background technology
Machining accuracy is the important symbol of Digit Control Machine Tool performance, and the error of digital control processing is inevitable, causes these
The reason for error, is mainly as follows：Digital control system error, transmission system error, process error, temperature change error, loss are missed
Difference, vibrations error, external factor error are waited.Current Digit Control Machine Tool has been directed to the side that fractional error factor is controlled by system
Formula implements compensation, but still can not cover all error components.Therefore, after workpiece completes processing, testing staff need to detect and add
NG testing results are simultaneously fed back to machine tooling workshop, then the working process parameter of lathe is adjusted by technical staff by workpiece.Specifically
Production, the machine tooling workshop that feeds back to of testing result has the time property delayed, when technical staff's adjusting process parameter is also required to
Between and easily there is maloperation etc., lathe is still proceeding during the whole delay time at stop more than, can produce and largely scrap
Product, cause to waste.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of on-line checking workpiece automatic compensating method, online inspection
Survey workpiece reality processing size and correct cutter compensation value automatically according to testing result, realize the product of the big closed loop of work pieces process
Matter management and control, greatly improves numerical control (NC) Machining Accuracy, rate of reducing the number of rejects and seconds.
To achieve the above object, technical solution of the invention is：One kind is based on the workpiece on-line checking side of compensation automatically
Method, comprises the following steps：
S1, it is processed to machined part by Digit Control Machine Tool and obtains workpiece；
S2, workpiece is sent to testing equipment by conveyer belt carries out automatic detection, obtain reality processing size；
S3, reality processing size is sent to information system software, the standard workpiece size preserved with information system software is carried out
Contrast, calculates dimensional discrepancy value；
S4, information system software analysis judge whether size deviation exceedes threshold value, and step S5 is then entered more than threshold value, without super
Cross threshold value then carries out the processing of next workpiece into step S1；
S5, information system software are sent to Digit Control Machine Tool cutter compensation value by network, are processed the numerically controlled machining programme of part
The amendment of sequence, entering back into step S1 carries out the processing of next workpiece, and cutter compensation value is dimensional discrepancy value.
Preferably, the testing equipment of step S2 detects the reality processing size of same workpiece multiple position, and information system is soft
Part preserves the standard processing dimension of same workpiece multiple position and the cutter of correspondence multiple Working position.
Preferably, step S2 testing equipments first pass through camera head obtain workpiece image, then image is corrected and
Workpiece profile is extracted, calibrating parameters are simultaneously converted into reality processing size.
Preferably, information system software also carries out process capability index statistics in real time.
By using above-mentioned technical scheme, the beneficial effects of the invention are as follows：On-line checking workpiece reality processing size, then
Contrasted with standard processing dimension, discriminatory analysis cutter compensation value, and cutter compensation value transmission Digit Control Machine Tool is processed program
Correction-compensation, realizes the real-time big closed loop quality management and control of work pieces process, reduces workpiece size error, improves workpiece qualified
Rate, greatly improves machining accuracy.
Specific embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
One kind is based on workpiece on-line checking automatic compensating method, comprises the following steps：
S1, it is processed to machined part by Digit Control Machine Tool and obtains workpiece.
S2, workpiece transmitted automatically to testing equipment by way of conveyer belt and carry out automatic detection, obtain reality processing
Size.Testing equipment is provided with camera head, and after workpiece enters testing equipment, camera head will be taken pictures and be obtained workpiece shadow
Picture.Detection means system is corrected and extracts workpiece profile to workpiece image, and calibrating parameters are simultaneously converted into reality processing size.
The extraction of workpiece profile uses OPENCV image procossings storehouse, and the image procossing storehouse is prior art.Here detection means is not
It is limited to the reality processing size of one position of detection workpiece, can is the reality processing size of workpiece multiple position.For example
The method of the present invention is applied to the processing of mobile phone shell, and reality processing size is including the position coordinates of multiple through holes in mobile phone shell and leads to
Hole size.
S3, reality processing size is sent to information system software, the standard workpiece size preserved with information system software
Contrasted, calculated dimensional discrepancy value.Information system software is independent development, by importing or preserving in advance standard workpiece mould
Type, and set by software itself or manually set generation standard workpiece multiple Working position coordinates and hole size, Yi Jiyong
In the cutter of processing relevant position.
S4, information system software analysis judge whether size deviation exceedes threshold value, and step S5 is then entered more than threshold value, do not have
Have more than threshold value then carries out the processing of next workpiece into step S1.
S5, information system software are sent to Digit Control Machine Tool cutter compensation value and correspondence cutter by network, are processed
The amendment of the nc program of part, repeating step S1 carries out the processing of next workpiece, and it is inclined that cutter compensation value is size
Difference.
Information system software real-time collecting dimensional discrepancy value, carries out process capability index statistics, as production capacity
Appreciation gist.
It is above-described, only presently preferred embodiments of the present invention, it is impossible to limit the scope that the present invention is implemented, it is every according to
Impartial change that scope of the present invention patent is made and decoration, should all still fall within the range of the present invention covers.
Claims (4)
1. it is a kind of to be based on workpiece on-line checking automatic compensating method, it is characterised in that to comprise the following steps：
S1, it is processed to machined part by Digit Control Machine Tool and obtains workpiece；
S2, workpiece is sent to testing equipment by conveyer belt carries out automatic detection, obtain reality processing size；
S3, reality processing size is sent to information system software, the standard workpiece size preserved with information system software is carried out
Contrast, calculates dimensional discrepancy value；
S4, information system software analysis judge whether size deviation exceedes threshold value, and step S5 is then entered more than threshold value, without super
Cross threshold value then carries out the processing of next workpiece into step S1；
S5, information system software are sent to Digit Control Machine Tool cutter compensation value by network, are processed the numerically controlled machining programme of part
The amendment of sequence, entering back into step S1 carries out the processing of next workpiece, and cutter compensation value is dimensional discrepancy value.
2. workpiece on-line checking automatic compensating method is based on according to claim 1, it is characterised in that：The detection of step S2 sets
The reality processing size of the standby same workpiece multiple position of detection, the standard that information system software preserves same workpiece multiple position adds
The cutter of Chinese musical scale cun and correspondence multiple Working position.
3. workpiece on-line checking automatic compensating method is based on according to claim 1, it is characterised in that：Step S2 testing equipments
First pass through camera head and obtain the image of workpiece, then image is corrected and workpiece profile is extracted, calibrating parameters are simultaneously converted into
Reality processing size.
4. workpiece on-line checking automatic compensating method is based on according to claim 1, it is characterised in that：Information system software is also
Carry out process capability index statistics in real time.
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| CN201710259784.3A CN106826392A (en) | 2017-04-20 | 2017-04-20 | One kind is based on workpiece on-line checking automatic compensating method |
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| CN201710259784.3A CN106826392A (en) | 2017-04-20 | 2017-04-20 | One kind is based on workpiece on-line checking automatic compensating method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594759A (en) * | 2018-04-27 | 2018-09-28 | 苏州金世博精密机电有限公司 | A kind of numerically-controlled machine tool processing online test method |
| CN109732179A (en) * | 2018-12-29 | 2019-05-10 | 珠海市福尼斯焊接技术有限公司 | A kind of arc stud welding laser position-finding system and its working method |
| CN109759899A (en) * | 2018-12-30 | 2019-05-17 | 深圳市五湖智联实业有限公司 | A kind of numerically-controlled machine tool intelligent online knife pendulum monitoring system |
| CN110136099A (en) * | 2019-04-15 | 2019-08-16 | 深圳精匠云创科技有限公司 | Cutter online test method, device and computer-readable storage media |
| CN110262403A (en) * | 2019-07-31 | 2019-09-20 | 朱保松 | A kind of digital control system interpolation instruction generation method based on dynamic accuracy technology |
| CN110434673A (en) * | 2019-08-21 | 2019-11-12 | 福建科烨数控科技有限公司 | A kind of method of lathe in machining component parameter real time correction |
| CN111624944A (en) * | 2020-06-16 | 2020-09-04 | 深圳市裕展精密科技有限公司 | Cutter control device and method |
| CN112059726A (en) * | 2020-08-31 | 2020-12-11 | 西安精雕精密机械工程有限公司 | On-machine measurement and compensation processing method of workpiece with multiple reference characteristics |
| CN112405114A (en) * | 2019-08-22 | 2021-02-26 | 上海铼钠克数控科技股份有限公司 | Machine tool error compensation method and system |
| CN112517959A (en) * | 2020-11-13 | 2021-03-19 | 上汽通用汽车有限公司 | Online compensation method for hole machining |
| CN113458508A (en) * | 2021-07-02 | 2021-10-01 | 四川建安工业有限责任公司 | Hypoid gear tooth form control method |
| CN114523167A (en) * | 2022-03-09 | 2022-05-24 | 一汽解放汽车有限公司 | Micropore machining device and machining method |
| CN114995291A (en) * | 2022-07-18 | 2022-09-02 | 深圳市嘉鑫精密智造有限公司 | Numerical control machine tool control system and control method |
| CN115338693A (en) * | 2022-10-18 | 2022-11-15 | 江苏天南电力股份有限公司 | Machining loss avoiding method and system for automatic lathe |
| CN115945743A (en) * | 2022-12-23 | 2023-04-11 | 深圳市台钲精密机械有限公司 | Method and system for trial machining of non-standard parts |
| CN117381199A (en) * | 2023-12-12 | 2024-01-12 | 武汉创恒激光智能装备有限公司 | Automatic laser cutting device and method for stainless steel television foot rest |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108594759A (en) * | 2018-04-27 | 2018-09-28 | 苏州金世博精密机电有限公司 | A kind of numerically-controlled machine tool processing online test method |
| CN109732179A (en) * | 2018-12-29 | 2019-05-10 | 珠海市福尼斯焊接技术有限公司 | A kind of arc stud welding laser position-finding system and its working method |
| CN109759899A (en) * | 2018-12-30 | 2019-05-17 | 深圳市五湖智联实业有限公司 | A kind of numerically-controlled machine tool intelligent online knife pendulum monitoring system |
| CN110136099A (en) * | 2019-04-15 | 2019-08-16 | 深圳精匠云创科技有限公司 | Cutter online test method, device and computer-readable storage media |
| CN110262403A (en) * | 2019-07-31 | 2019-09-20 | 朱保松 | A kind of digital control system interpolation instruction generation method based on dynamic accuracy technology |
| CN110434673A (en) * | 2019-08-21 | 2019-11-12 | 福建科烨数控科技有限公司 | A kind of method of lathe in machining component parameter real time correction |
| CN112405114A (en) * | 2019-08-22 | 2021-02-26 | 上海铼钠克数控科技股份有限公司 | Machine tool error compensation method and system |
| CN111624944B (en) * | 2020-06-16 | 2023-09-08 | 富联裕展科技(深圳)有限公司 | Cutter control device and method |
| CN111624944A (en) * | 2020-06-16 | 2020-09-04 | 深圳市裕展精密科技有限公司 | Cutter control device and method |
| CN112059726A (en) * | 2020-08-31 | 2020-12-11 | 西安精雕精密机械工程有限公司 | On-machine measurement and compensation processing method of workpiece with multiple reference characteristics |
| CN112517959A (en) * | 2020-11-13 | 2021-03-19 | 上汽通用汽车有限公司 | Online compensation method for hole machining |
| CN113458508A (en) * | 2021-07-02 | 2021-10-01 | 四川建安工业有限责任公司 | Hypoid gear tooth form control method |
| CN114523167A (en) * | 2022-03-09 | 2022-05-24 | 一汽解放汽车有限公司 | Micropore machining device and machining method |
| CN114995291A (en) * | 2022-07-18 | 2022-09-02 | 深圳市嘉鑫精密智造有限公司 | Numerical control machine tool control system and control method |
| CN115338693A (en) * | 2022-10-18 | 2022-11-15 | 江苏天南电力股份有限公司 | Machining loss avoiding method and system for automatic lathe |
| CN115338693B (en) * | 2022-10-18 | 2023-08-11 | 江苏天南电力股份有限公司 | Machining loss avoiding method and system of automatic lathe |
| CN115945743A (en) * | 2022-12-23 | 2023-04-11 | 深圳市台钲精密机械有限公司 | Method and system for trial machining of non-standard parts |
| CN115945743B (en) * | 2022-12-23 | 2023-10-20 | 深圳市台钲精密机械有限公司 | Method and system for trial machining of nonstandard parts |
| CN117381199A (en) * | 2023-12-12 | 2024-01-12 | 武汉创恒激光智能装备有限公司 | Automatic laser cutting device and method for stainless steel television foot rest |
| CN117381199B (en) * | 2023-12-12 | 2024-03-12 | 武汉创恒激光智能装备有限公司 | Automatic laser cutting device and method for stainless steel television foot rest |
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Application publication date: 20170613 |