CN102955450A - On-line engine quality control method - Google Patents
On-line engine quality control method Download PDFInfo
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- CN102955450A CN102955450A CN2012103648676A CN201210364867A CN102955450A CN 102955450 A CN102955450 A CN 102955450A CN 2012103648676 A CN2012103648676 A CN 2012103648676A CN 201210364867 A CN201210364867 A CN 201210364867A CN 102955450 A CN102955450 A CN 102955450A
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- 238000003908 quality control method Methods 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 24
- 238000003754 machining Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000009529 body temperature measurement Methods 0.000 claims description 2
- 238000003070 Statistical process control Methods 0.000 abstract description 9
- 230000002950 deficient Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
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Abstract
The invention relates to an on-line engine quality control method. The on-line quality control of a machining production line of engine cylinder bodies, cylinder covers and the like, and on-line detection of overall dimensions including product dimensions and process procedure dimensions of box type parts such as cylinder bodies, cylinder covers and the like, are realized by using the on-line engine quality control method; a no-go gauge, a gas electric quantity instrument and the like are used for the detection on apertures, widths, shapes and the like; a compressive gauge, an SPC (Statistical Process Control) and the like are used for the detection on form tolerances, position tolerances, dimensional tolerances and the like; and a coordinate measuring machine is used for the precise measurement on various dimension characteristics. A small-sized gauge comprises the no-go gauge, a shape gauge, the gas electric quantity instrument and the like which are arranged near a corresponding machine tool and are convenient to take for use; a large-sized complex gauge comprises the comprehensive gauge, the SPC and the like which are arranged at a lower line of a machining unit; and the coordinate measuring machine is arranged among precise constant temperature measurers.
Description
Technical field
The present invention relates to a kind of engine line Quality Control method, be specifically related to the box parts machining production lines such as engine cylinder-body, cylinder cap, framework.
Background technology
At present, the quality control of known engine machining production line relies on production line line limit go-no go gauge and three coordinate measuring machine to test take off-line check as main.When the class of opening produces or during sampling observation, workpiece moved away from production line, send between precision measurement, to test with three coordinate measuring machine, this quality inspection scheme exists length consuming time, workload greatly, easily to cause the problems such as the scuffing of colliding with, managing risk are large.
Summary of the invention
In order to solve the problem of existing machining production line quality control, the invention provides a kind of line Quality Control scheme that relies on production line line limit go-no go gauge and comprehensive check tool to be used in conjunction with, the control requirement of not only can ensuring the quality of products of this solution, and save time, can farthest dwindle the lathe stand-by period.
The technical solution adopted for the present invention to solve the technical problems is: the small-sized cubings such as go-no go gauge or pneumoelectric amount instrument are set on each operation limit of machining production line, the large-scale synthesis cubings such as detection position degree, form and position tolerance are set near the machining cell.Because the restriction of on-the-spot environment for use causes losing efficacy in order to prevent the cubing wearing and tearing, needs to cooperate a small amount of three coordinate measuring machine, regularly to the comprehensive check tool demarcation of comparing.
Concrete technical scheme is as follows:
A kind of engine line Quality Control method, adopt following steps:
(1) on each operation limit of machining production line go-no go gauge is set, and/or shape rule, and/or depth gauge, and/or pneumoelectric amount instrument, and/or the small-sized online cubing such as inductance value instrument;
(2) the large-scale synthesis cubing of detection position degree, form and position tolerance is set near machining cell;
(3) in order to prevent that cubing wearing and tearing from causing losing efficacy, cooperate three coordinate measuring machine, regularly to the comprehensive check tool demarcation of comparing.
Further, whether the workpiece on the machining production line uses the cubing qualitative detection workpiece described in step (1) and/or the step (2) qualified, the production of the qualified then class of opening before the class of opening produces or lathe, the anchor clamps initial workpiece after adjusting; Defectively then use cubing or the three coordinate measuring machine described in step (1) and/or the step (2) to qualitatively judge and draw corresponding data, in order to adjusting lathe, and/or anchor clamps, and/or cutter etc.
Further, described large-scale synthesis cubing is furnished with industrial computer, and it is stored data, analyze, and generates figure.
Further, described small-sized online cubing is arranged near the corresponding lathe.
Further, described large-scale synthesis cubing comprises SPC, is arranged in the machining cell place of rolling off the production line.
Further, described three coordinate measuring machine is positioned between the exact constant temperature measurement.
Further, when box parts being carried out full-scale online detection: go-no go gauge, pneumoelectric amount instrument are used for aperture, width, SHAPE DETECTION, large-scale synthesis cubing, SPC are used for form tolerance, position of related features, dimensional tolerence detection, and three coordinate measuring machine is used for the accurate measurement of each size characteristic.
Further, go-no go gauge, shape rule, depth gauge were demarcated once in per 12 months; The large-scale synthesis cubing was demarcated once in per 6 months.
Further, scaling method is for to measure respectively with described comprehensive check tool and three-dimensional the workpiece of randomly drawing, and the result compares, and exceeds accuracy rating and then comprehensive check tool is overhauled, and three coordinate measuring machine requires to demarcate according to manufacturer.
Further, online cubing is fixed on lathe limit or raceway limit; The shape that the industrial computer of large-scale synthesis cubing is had relatively high expectations accuracy class, position dimension import industrial computer into by the inductance value instrument, the direct reading out data of operator, thus adjust accordingly, can realize that the SPC of key, significant dimensions analyzes simultaneously.
Compare with present prior art, the present invention can reduce the sampling observation time, starts rate thereby improve lathe; Reduce the workpiece handling workload, avoid workpiece to collide with and scratch and managerial confusion; Thereby can increase substantially throughput rate.
Description of drawings
Fig. 1 is control principle drawing of the present invention
Fig. 2 is the Successful Experiment case of certain model engine cylinder body production line
Embodiment
The below describes the present invention with reference to the accompanying drawings, and it is a kind of preferred embodiment in the numerous embodiments of the present invention.
With reference to Fig. 1, whether initial workpiece uses online cubing to qualitatively judge workpiece qualified, the qualified then formally class's of opening production.The defective reason of then further searching, quantitatively reading read precise information, adjust lathe, anchor clamps, cutter etc. in order to instruct; Readable does not measure by exact instrument such as three-dimensional, clock gauges.The oscillogram of the formation such as SPC, readable quantity instrument, readable comprehensive check tool, trend map etc. can be used for instructing the people that affects crudy, machine, material, method, ring etc., in time to take intervening measure, form the closed-loop control of quality, prevent defective generation.Because production on-site environment is relatively poor, lose in order to prevent the cubing precision in addition, need periodic calibrating, as shown in dotted line frame among Fig. 1.
With reference to Fig. 2, production capacity 300,000/year, roughing unit is divided into 8 procedures, article 4, line (A, B, C, D line) is identical, figure intermediate cam shape symbol is the online cubing such as go-no go gauge, shape rule, depth gauge, dowel hole pneumoelectric amount instrument, because small volume is directly fixed on the lathe front side by support, the raceway next door makes things convenient for the workman to take; Comprehensive check tool and SPC equipment are put in the machining cell place of rolling off the production line, shown in square among the figure.
In Fig. 1, whether the initial workpiece of the workpiece on the machining production line before the class of opening produces or behind the lathe, anchor clamps adjustment uses online cubing qualitative detection workpiece qualified, the production of the qualified then class of opening; Defectively then qualitatively judge with online cubing or three-dimensional, draw corresponding precise information, in order to adjust lathe, anchor clamps, cutter etc.Simultaneously comprehensive check tool is furnished with industrial computer, measurement data can be stored, is analyzed, and generates figure, and corresponding data feedback is to people, machine, material, method, ring, thereby the production line relevant device is exerted one's influence, and avoids defective generation.
Be regular comparison, the demarcation of online cubing in the dotted line frame of Fig. 1, the workpiece on the production line is inspected by random samples according to 1/100 frequency accidental and is sent three-dimensional to detect, and result and comprehensive check tool are compared, and prevents the loss of significance that the wearing and tearing of online cubing cause.
Fig. 2 is the layout example of online cubing, online cubing comprises the quantitatively cubing such as the gentle electric weight instrument of the qualitative cubings such as go-no go gauge, shape rule, inductance value instrument, mainly require lower size to differentiate, measure to accuracy class, for the ease of taking, generally be fixed in lathe limit or raceway limit.Comprehensive check tool is furnished with industrial computer, and shape, position dimension that accuracy class is had relatively high expectations import industrial computer into by the inductance value instrument, the direct reading out data of operator, thus adjust accordingly, can realize that the SPC of key, significant dimensions analyzes simultaneously.
The above has carried out exemplary description to the present invention by reference to the accompanying drawings; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. an engine line Quality Control method is characterized in that, adopts following steps:
(1) on each operation limit of machining production line go-no go gauge is set, and/or shape rule, and/or depth gauge, and/or pneumoelectric amount instrument, and/or the small-sized online cubing such as inductance value instrument;
(2) the large-scale synthesis cubing of detection position degree, form and position tolerance is set near machining cell;
(3) in order to prevent that cubing wearing and tearing from causing losing efficacy, cooperate three coordinate measuring machine, regularly to the comprehensive check tool demarcation of comparing.
2. engine line Quality Control method as claimed in claim 1, it is characterized in that, the initial workpiece of workpiece on the machining production line before the class of opening produces or behind the lathe, anchor clamps adjustment, whether use the cubing qualitative detection workpiece described in step (1) and/or the step (2) qualified, the qualified then class of opening produces; Defectively then use cubing or the three coordinate measuring machine described in step (1) and/or the step (2) to qualitatively judge and draw corresponding data, in order to adjusting lathe, and/or anchor clamps, and/or cutter etc.
3. engine line Quality Control method as claimed in claim 1 or 2 is characterized in that, described large-scale synthesis cubing is furnished with industrial computer, and it is stored data, analyze, and generates figure.
4. such as each described engine line Quality Control method among the claim 1-3, it is characterized in that, described small-sized online cubing is arranged near the corresponding lathe.
5. such as each described engine line Quality Control method among the claim 1-4, it is characterized in that, described large-scale synthesis cubing comprises SPC, is arranged in the machining cell place of rolling off the production line.
6. such as each described engine line Quality Control method among the claim 1-5, it is characterized in that, described three coordinate measuring machine is positioned between the exact constant temperature measurement.
7. such as each described engine line Quality Control method among the claim 1-6, it is characterized in that, when box parts being carried out full-scale online detection: go-no go gauge, pneumoelectric amount instrument are used for aperture, width, SHAPE DETECTION, large-scale synthesis cubing, SPC are used for form tolerance, position of related features, dimensional tolerence detection, and three coordinate measuring machine is used for the accurate measurement of each size characteristic.
8. such as each described engine line Quality Control method among the claim 1-7, it is characterized in that, go-no go gauge, shape rule, depth gauge were demarcated once in per 12 months; The large-scale synthesis cubing was demarcated once in per 6 months.
9. engine line Quality Control method as claimed in claim 8, it is characterized in that, scaling method is for to measure respectively with described comprehensive check tool and three-dimensional the workpiece of randomly drawing, the result compares, exceed accuracy rating and then comprehensive check tool is overhauled, three coordinate measuring machine requires to demarcate according to manufacturer.
10. engine line Quality Control method as claimed in claim 3 is characterized in that, online cubing is fixed on lathe limit or raceway limit; The shape that the industrial computer of large-scale synthesis cubing is had relatively high expectations accuracy class, position dimension import industrial computer into by the inductance value instrument, the direct reading out data of operator, thus adjust accordingly, can realize that the SPC of key, significant dimensions analyzes simultaneously.
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| CN2012103648676A CN102955450A (en) | 2012-09-25 | 2012-09-25 | On-line engine quality control method |
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| CN2012103648676A CN102955450A (en) | 2012-09-25 | 2012-09-25 | On-line engine quality control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707988A (en) * | 2016-12-07 | 2017-05-24 | 重庆微标科技股份有限公司 | MES system for engine online assembly control |
| CN107717633A (en) * | 2017-11-26 | 2018-02-23 | 清远市飞华设备有限公司 | A kind of processing method of numerical control machining center |
| CN108122293A (en) * | 2017-03-27 | 2018-06-05 | 沈阳工业大学 | A kind of waste product remanufactures process quality control method |
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| EP0098044A2 (en) * | 1982-05-24 | 1984-01-11 | Toshiba Kikai Kabushiki Kaisha | A numerical controlled machine tool making intermediate measurements |
| JPH04193460A (en) * | 1990-11-26 | 1992-07-13 | Yasuda Kogyo Kk | Measuring method for shape or profile irregularity and device used therefor |
| CN1297146A (en) * | 2000-12-28 | 2001-05-30 | 上海交通大学 | Data processing method for evaluating size and quality in making car body |
| CN2646687Y (en) * | 2003-09-28 | 2004-10-06 | 许振忠 | Multi-channel integrated engine air flue testing stand |
| CN101275894A (en) * | 2008-04-25 | 2008-10-01 | 中国石油兰州石油化工公司 | Hydrocarbon resin polymer material viscosity on-line continuous detecting method |
| CN202079129U (en) * | 2011-03-31 | 2011-12-21 | 长城汽车股份有限公司 | Check tool for punch forming irregular parts inside automatic transmission of automobile |
| CN202123397U (en) * | 2011-08-29 | 2012-01-25 | 重庆银钢汽车配件制造有限责任公司 | Cylindrical grinding machine |
-
2012
- 2012-09-25 CN CN2012103648676A patent/CN102955450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098044A2 (en) * | 1982-05-24 | 1984-01-11 | Toshiba Kikai Kabushiki Kaisha | A numerical controlled machine tool making intermediate measurements |
| JPH04193460A (en) * | 1990-11-26 | 1992-07-13 | Yasuda Kogyo Kk | Measuring method for shape or profile irregularity and device used therefor |
| CN1297146A (en) * | 2000-12-28 | 2001-05-30 | 上海交通大学 | Data processing method for evaluating size and quality in making car body |
| CN2646687Y (en) * | 2003-09-28 | 2004-10-06 | 许振忠 | Multi-channel integrated engine air flue testing stand |
| CN101275894A (en) * | 2008-04-25 | 2008-10-01 | 中国石油兰州石油化工公司 | Hydrocarbon resin polymer material viscosity on-line continuous detecting method |
| CN202079129U (en) * | 2011-03-31 | 2011-12-21 | 长城汽车股份有限公司 | Check tool for punch forming irregular parts inside automatic transmission of automobile |
| CN202123397U (en) * | 2011-08-29 | 2012-01-25 | 重庆银钢汽车配件制造有限责任公司 | Cylindrical grinding machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106707988A (en) * | 2016-12-07 | 2017-05-24 | 重庆微标科技股份有限公司 | MES system for engine online assembly control |
| CN106707988B (en) * | 2016-12-07 | 2019-04-19 | 重庆微标科技股份有限公司 | A kind of MES system for assembling control online for engine |
| CN108122293A (en) * | 2017-03-27 | 2018-06-05 | 沈阳工业大学 | A kind of waste product remanufactures process quality control method |
| CN107717633A (en) * | 2017-11-26 | 2018-02-23 | 清远市飞华设备有限公司 | A kind of processing method of numerical control machining center |
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