CN102927890B - A kind of detection method of low tapered conical face and special stop-pass calliper - Google Patents
A kind of detection method of low tapered conical face and special stop-pass calliper Download PDFInfo
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- CN102927890B CN102927890B CN201210409638.1A CN201210409638A CN102927890B CN 102927890 B CN102927890 B CN 102927890B CN 201210409638 A CN201210409638 A CN 201210409638A CN 102927890 B CN102927890 B CN 102927890B
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Abstract
The invention provides a kind of detection method of low tapered conical face, it can realize accurately in real time detecting and can not damage workpiece for measurement in process, and can solve testing result and three-dimensional detects the unmatched problem of data.Its method is the cross section that distance Z face intercepts two different distance respectively on measured workpiece circular conical surface entity, using two cross section profile circles as detected object, require to make special stop-pass calliper according to the design tolerance of cross section profile circle, two cross section profile circles corresponding on measured workpiece circular conical surface entity are detected again with special stop-pass calliper, if can be spacing by not-go-end respectively by the go side of special stop-pass calliper, then meet the requirements.Special stop-pass calliper of the present invention, it is overall in inverted " C " shape, its integral thickness is the distance between cross section to be detected to detection reference face, the top of C shape opening and following horizontal parallel, the outboard end of top, following inwall is provided with go side position-limited edge, and the medial extremity of go side position-limited edge is provided with not-go-end position-limited edge.
Description
Technical field
The present invention relates to the detection technique field of combustion engine pneumatic plant guide vane, especially relate to the detection technique field of the combustion engine pneumatic plant guide vane department of assembly circle of position conical surface, be specially a kind of detection method of low tapered conical face and special stop-pass calliper.
Background technology
Combustion engine pneumatic plant guide vane is positioned at department of assembly's circle of position conical surface 5 at two ends, 6 is low tapered conical face, see Fig. 1, its machining precision is high, the processing of this circular conical surface is mainly using numerical control turning and cylindricalo grinding as main manufacturing process, it needs directly real-time measuring workpieces state to obtain measurement data on lathe, and the machining precision that the adjustment carrying out machined parameters accordingly finally ensures, examining report international is at present all to submit three-dimensional testing result for accreditation foundation, but general processing enterprise can not be equipped with expensive three-dimensional detector, therefore usually need product censorship, and three-dimensional detection complex operation is time-consuming, therefore easily cause to produce and pause, only detect data according to three-dimensional in the new product debug phase especially and adjust cutting parameter, its debugging cycle is long, in actual production, Ye You processing enterprise adopts traditional cubing to measure in real time, it high precision feeler gauge comprising a band outside cone angle is as check gauge and a ring gauge for cone angle in the band of workpiece calibration, its shortcoming is that the manufacture difficulty of ring gauge is large, manufacturing cost is high, and find that the operating gesture of the measurement of ring gauge to testing staff requires high in actual use, because its tapering is less, operating personnel's undue force easily causes ring gauge or check gauge cannot take off from workpiece, cause the damage of workpiece conical surface, affect the surface quality of workpiece, be difficult to the laminating degree controlling the ring gauge conical surface and the workpiece conical surface simultaneously, cause testing result unstable, in addition the testing result adopting traditional cubing to obtain and three-dimensional detect data and do not mate, and cannot detect data carry out deviation ratio pair with three-dimensional.
Summary of the invention
For the problems referred to above, the invention provides a kind of detection method of low tapered conical face, it can realize accurately the detecting in real time workpiece in process, the production avoided only relying on three-dimensional to detect and cause pauses, effective shortening new product debugging cycle, and its detection can not damage workpiece for measurement, and testing result can be solved and three-dimensional detects the unmatched problem of data.For this reason, present invention also offers special stop-pass calliper.
A kind of detection method of low tapered conical face, it is characterized in that: on measured workpiece circular conical surface entity, distance detection reference face intercepts the cross section of two different distance respectively, and using the profile circle in described two cross sections as detected object, require to make two special stop-pass callipers in advance according to the design tolerance of described two cross section profiles circle, two cross section profile circles on measured workpiece circular conical surface entity described in correspondence are detected respectively with described two special stop-pass callipers, if described two cross section profiles can respectively by the go side of described two special stop-pass callipers, and it is spacing by not-go-end, then described measured workpiece circular conical surface meets designing requirement.
It is further characterized in that:
Adopt three-dimensional detector to carry out verification to described measured workpiece circular conical surface again to detect, after workpiece coordinate system is set up in three-dimensional matching, scan described two cross section excircle configuration molded line respectively, these two excircle configuration molded line are detected, then the detection architecture of three-dimensional testing result and the special cartoon calliper of above-mentioned employing is carried out verification comparison.
A kind of special stop-pass calliper of low tapered conical face, it is characterized in that: it is overall in inverted " C " shape, its integral thickness is the distance between cross section to be detected to detection reference face, the top of described C shape opening with below in horizontal parallel, the outboard end of described top, following inwall is provided with go side position-limited edge, and the medial extremity of described go side position-limited edge is provided with not-go-end position-limited edge.
It is further characterized in that:
Distance between described top and following go side position-limited edge is the design greatest wear dimension limit in cross section to be detected;
Distance between described top and following not-go-end position-limited edge is the design minimum dimension in cross section to be detected;
Described go side position-limited edge, not-go-end position-limited edge make chamfer with a side-locating face respectively.
The inventive method and the low tapered conical face of special stop-pass calliper to combustion engine pneumatic plant guide vane two ends is adopted to detect, it is easy to detect, the real-time detection in processing or debug process can be realized, thus improve the efficiency of debugging, processing, not easily in testing process, damage workpiece for measurement simultaneously, and it is identical that its detection position and three-dimensional detect position, and it is also identical with the evaluation mechanism that three-dimensional detects, therefore it can keep the consistance of testing result and three-dimensional testing result, is convenient to carry out verification with three-dimensional testing result and contrasts.
Accompanying drawing explanation
Fig. 1 is the structural representation in low tapered conical face, combustion engine pneumatic plant guide vane two ends to be detected in the inventive method;
Fig. 2 is the structural representation of the special stop-pass calliper of the present invention;
Fig. 3 is that the P-P of not-go-end position-limited edge 4 in Fig. 2 is to broken section structural representation;
Fig. 4 be adopt invention in special stop-pass calliper to the detection schematic diagram of low tapered conical face M1.
Embodiment
A kind of detection method of low tapered conical face, on measured workpiece circular conical surface entity, distance detection reference face intercepts the cross section of two different distance respectively, and by the profile in these two cross sections circle M1, M2 is as detected object, see Fig. 1, according to two cross section profile circle M1, the design tolerance of M2 requires to make two special stop-pass callipers in advance, two cross section profile circles corresponding on measured workpiece circular conical surface entity are detected respectively with two special stop-pass callipers, if two cross section profiles can respectively by the go side of two special stop-pass callipers, and it is spacing by not-go-end, then measured workpiece circular conical surface meets designing requirement.
Three-dimensional detector is adopted to test detection to described measured workpiece circular conical surface again, after workpiece coordinate system is set up in three-dimensional matching, the profile molded line scanning two cross section cylindrical M1 and M2 respectively detects these two excircle configuration molded line, and the detection architecture of three-dimensional testing result and the special cartoon calliper of above-mentioned employing is carried out verification comparison.
The special stop-pass in a kind of low tapered conical face of the present invention detects calliper 7, see Fig. 2 and Fig. 3, it is overall in inverted " C " shape, its integral thickness d is the distance between the M of cross section to be detected to detection reference face, the top 1 and following 2 of described C shape opening is horizontal parallel, top 1, following 2 the outboard end of inwall be provided with go side position-limited edge 3, the medial extremity of go side position-limited edge 3 is provided with not-go-end position-limited edge 4, and the distance L between top 1 and the go side position-limited edge 3 of following 2 is the design greatest wear dimension limit in cross section to be detected; Distance between top 1 and the not-go-end position-limited edge of following 2
lfor the design minimum dimension in cross section to be detected; Go side position-limited edge 3, not-go-end position-limited edge 4 make chamfer 8,9 with a side-locating face A respectively.During use, see Fig. 4, special stop-pass is detected the reference field A ' of a side-locating face A near blade to be measured of calliper, keep the profile in cross section to be measured circle parallel with the side-locating face A that stop-pass detects calliper, whether the size measuring this cross section circle falls into special stop-pass is detected in the scope of calliper.In Fig. 1, m1 is the distance between cross section M1 to be detected to detection reference face M, m2 is the distance between cross section M2 to be detected to detection reference face M, m is the distance between workpiece for measurement outermost face to detection reference face M, d1 is workpiece for measurement outermost end cross section profile diameter of a circle, and d2 is workpiece for measurement innermost end portions cross section profile diameter of a circle.In Fig. 3, n is not-go-end position-limited edge width.
Claims (3)
1. the detection method in one kind low tapered conical face, it is characterized in that: on measured workpiece circular conical surface entity, distance detection reference face intercepts the cross section of two different distance respectively, and using the profile circle in two described cross sections as detected object, require to make two special stop-pass callipers in advance according to the design tolerance of two described cross section profile circles, two described cross section profile circles corresponding on measured workpiece circular conical surface entity are detected respectively with two described special stop-pass callipers, if two described cross section profile circles can respectively by the go side of two described special stop-pass callipers, and it is spacing by not-go-end, then described measured workpiece circular conical surface meets designing requirement, during measurement by a side-locating face of described special stop-pass calliper near detection reference face, keep the profile in cross section to be measured circle parallel with a side-locating face of special stop-pass calliper, described special stop-pass calliper entirety is in reverse C-shape, its integral thickness is the distance between cross section to be detected to detection reference face, the top of described C shape opening with below in horizontal parallel, described top, the outboard end of following inwall is provided with go side position-limited edge, the medial extremity of described go side position-limited edge is provided with not-go-end position-limited edge, distance between described top and following go side position-limited edge is the design greatest wear dimension limit in cross section to be detected, distance between described top and following not-go-end position-limited edge is the design minimum dimension in cross section to be detected, described go side position-limited edge, not-go-end position-limited edge makes chamfer with a side-locating face respectively.
2. the detection method in a kind of low tapered conical face according to claim 1, it is characterized in that: adopt three-dimensional detector to carry out verification to described measured workpiece circular conical surface again and detect, after workpiece coordinate system is set up in three-dimensional matching, scan two described cross section excircle configuration molded line respectively, these two excircle configuration molded line are detected, then the testing result of three-dimensional testing result and the special stop-pass calliper of above-mentioned employing is carried out verification comparison.
3. the special stop-pass calliper in one kind low tapered conical face, it is characterized in that: it is overall in reverse C-shape, its integral thickness is the distance between cross section to be detected to detection reference face, the top of described C shape opening with below in horizontal parallel, described top, the outboard end of following inwall is provided with go side position-limited edge, the medial extremity of described go side position-limited edge is provided with not-go-end position-limited edge, distance between described top and following go side position-limited edge is the design greatest wear dimension limit in cross section to be detected, distance between described top and following not-go-end position-limited edge is the design minimum dimension in cross section to be detected, described go side position-limited edge, not-go-end position-limited edge makes chamfer with a side-locating face respectively.
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CN110440674B (en) * | 2019-08-29 | 2021-07-13 | 中国航发航空科技股份有限公司 | Detection apparatus for face profile tolerance of director blade passageway face |
CN114659423A (en) * | 2022-03-08 | 2022-06-24 | 深圳数码模汽车技术有限公司 | Multidirectional rapid detection method for vehicle framework beam member |
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CN201600105U (en) * | 2009-10-21 | 2010-10-06 | 春兴铸造(苏州工业园区)有限公司 | Go / no go gage for detecting thickness of parts |
CN101949676A (en) * | 2010-08-27 | 2011-01-19 | 天津机辆轨道交通装备有限责任公司 | Gauge for outer diameter of cylindrically helical spring |
CN202048858U (en) * | 2011-05-17 | 2011-11-23 | 河南中原吉凯恩气缸套有限公司 | Split type differential adjustable caliper |
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