CN106441019B - A kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method - Google Patents
A kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method Download PDFInfo
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- CN106441019B CN106441019B CN201611122031.XA CN201611122031A CN106441019B CN 106441019 B CN106441019 B CN 106441019B CN 201611122031 A CN201611122031 A CN 201611122031A CN 106441019 B CN106441019 B CN 106441019B
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- elastic ring
- snap ring
- benchmark
- amesdial
- benchmark snap
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/068—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness of objects while moving
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method, device include benchmark snap ring, amesdial and gauge stand, and benchmark snap ring side and the inserting of elastic ring inner hole cooperate, and the benchmark snap ring other side cooperates for placing gauge stand, gauge stand and the sliding contact of benchmark snap ring.Method and step are as follows: the fine grinding of elastic ring inner hole is worked into position, benchmark snap ring is inserted into elastic ring inner hole, fine grinding under first stage feed is carried out to elastic ring outer circle, gauge stand is placed on benchmark snap ring external cylindrical surface, amesdial measuring head is against on benchmark snap ring external cylindrical surface, returns to zero amesdial to table；It is axially moveable gauge stand, is against amesdial measuring head on the periphery of elastic ring；The related benchmark snap ring of elastic ring is rotated, the numerical value change range of amesdial is exactly the variation range of elastic ring Wall-Thickness Difference；Gauge stand is lifted away from benchmark snap ring external cylindrical surface, the fine grinding under follow-up phase feed is carried out to elastic ring outer circle, repeats wall thickness deviation measurement process, until Wall-Thickness Difference meets Design Requirement Drawing.
Description
Technical field
The invention belongs to aerospace engine component manufacturing technology fields, more particularly to a kind of elastic ring Wall-Thickness Difference
Precision measurement apparatus and method.
Background technique
Important composition components of the elastic ring as gas generator, are used to be assemblied between bearing and casing, elasticity
The processing quality of ring directly influences the Performance And Reliability of gas generator, and the combustion all types of in aerospace engine etc.
In gas-turbine, elastic shaped part has been widely used.
The hole size tolerance of elastic ring is within 0.021mm, and the excircle dimension tolerance of elastic ring is
Within 0.018mm, the inner hole of elastic ring and the surface roughness requirements of outer circle are 0.4, and the Wall-Thickness Difference requirement of elastic ring is little
In 0.02mm, it is seen then that the dimensional accuracy and roughness requirements of elastic ring are very high.
Currently, although the inner hole and excircle dimension of elastic ring can be realized finishing processing and accurately measure, into
When the fine grinding cylinder processing of row elastic ring, existing means are difficult to carry out accurate measurement to Wall-Thickness Difference, can only use wall thickness at this stage
Clamp or wall thickness micrometer gauge carry out discrete type discontinuous measurement, and the measurement accuracy of Wall-Thickness Difference is very low, is difficult accurately to determine elastic ring zero
Whether part meets the Design Requirement Drawing of Wall-Thickness Difference, causes the processing quality of elastic ring not high.
Therefore, in order to improve the processing quality of elastic ring, to guarantee the Performance And Reliability of gas generator, to elastic ring
Wall-Thickness Difference carry out accurate measurement it is imperative.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method,
In the fine grinding cylinder processing for carrying out elastic ring, the comprehensive accurate measurement of continous way can be carried out to Wall-Thickness Difference, can accurately sentenced
Whether fixed elasticity shaped part meets the Design Requirement Drawing of Wall-Thickness Difference, further improves the processing quality of elastic ring.
To achieve the goals above, the present invention adopts the following technical scheme: a kind of elastic ring Wall-Thickness Difference precision measurement apparatus,
Including benchmark snap ring, amesdial and gauge stand, the benchmark snap ring is cylinder barrel shaped structure, is equipped with ring-type at the middle part of benchmark snap ring
Benchmark snap ring and elastic ring the inner hole inserting of boss, annular boss side cooperate, the benchmark snap ring outer circle of the annular boss other side
Cylinder is for placing gauge stand；It is symmetrically fixedly mounted in the gauge stand lower part there are two backing pin, backing pin and benchmark snap ring external cylindrical surface slide
It is engaged；The amesdial is installed on gauge stand, is fixed with handle in the benchmark snap ring tube port position for placing gauge stand.
The benchmark snap ring and the clearance requirement of elastic ring inner hole inserting cooperation are within 0.015mm.
The cylindricity of the benchmark snap ring external cylindrical surface requires to be within 0.005mm.
The straightness of the benchmark snap ring external cylindrical surface requires to be within 0.005mm.
A kind of elastic ring Wall-Thickness Difference precision measurement method uses elastic ring Wall-Thickness Difference precision measurement apparatus, including as follows
Step:
Step 1: will be on the elastic ring binder to grinding machine that inner hole and outer circle finish turning processing be completed；
Step 2: fine grinding is carried out to the inner hole of elastic ring, until meeting Design Requirement Drawing；
Step 3: by benchmark snap ring without in the side insertion elastic ring inner hole of handle, make annular boss and elastic ring end face
Fitting is by tight；
Step 4: the fine grinding under first stage feed is carried out to the outer circle of elastic ring；
Step 5: the gauge stand for being equipped with amesdial, which is placed into benchmark snap ring, to be had on the external cylindrical surface of handle side, makes thousand
Divide the measuring head of table to be against on benchmark snap ring external cylindrical surface, and is adjusted on the basis of benchmark snap ring external cylindrical surface in face of amesdial
Zero pair of table；
Step 6: being axially moveable gauge stand, is against the measuring head of amesdial on the periphery of elastic ring；
Step 7: rotation elastic ring, and related benchmark snap ring rotates together, after elastic ring revolves one-turn, amesdial
Numerical value change range is exactly the variation range of elastic ring Wall-Thickness Difference；
Step 8: being lifted away from benchmark snap ring external cylindrical surface together with amesdial for gauge stand, carries out subsequent stages to the outer circle of elastic ring
Fine grinding under section feed；
Step 9: repeating step 5~step 7, until Wall-Thickness Difference meets Design Requirement Drawing.
Beneficial effects of the present invention:
Compared with prior art, the present invention can connect to Wall-Thickness Difference in the fine grinding cylinder processing for carrying out elastic ring
The continuous comprehensive accurate measurement of formula, can accurately determine whether elastic shaped part meets the Design Requirement Drawing of Wall-Thickness Difference, further
Improve the processing quality of elastic ring.
Detailed description of the invention
Fig. 1 is a kind of benchmark Snap ring structure schematic diagram of elastic ring Wall-Thickness Difference precision measurement apparatus of the invention；
Fig. 2 is the gauge stand and amesdial structural schematic diagram of a kind of elastic ring Wall-Thickness Difference precision measurement apparatus of the invention；
Fig. 3 is the side view of Fig. 2；
Fig. 4 uses shape for a kind of elastic ring Wall-Thickness Difference precision measurement apparatus (amesdial returns to zero to table status) of the invention
State figure；
Fig. 5 is a kind of use state of elastic ring Wall-Thickness Difference precision measurement apparatus (Wall-Thickness Difference measuring state) of the invention
Figure；
In figure, 1-benchmark snap ring, 2-amesdials, 3-gauge stands, 4-annular boss, 5-elastic rings, 6-backing pins, 7-
Handle.
Specific embodiment
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Fig. 1~5, a kind of elastic ring Wall-Thickness Difference precision measurement apparatus, including benchmark snap ring 1, amesdial 2 and gauge stand
3, the benchmark snap ring 1 is cylinder barrel shaped structure, is equipped with annular boss 4 at the middle part of benchmark snap ring 1,4 side of annular boss
Benchmark snap ring 1 and the inserting of 5 inner hole of elastic ring cooperate, and 1 external cylindrical surface of benchmark snap ring of 4 other side of annular boss is for placing gauge stand
3；It is symmetrically fixedly mounted in 3 lower part of gauge stand there are two backing pin 6, backing pin 6 and the 1 external cylindrical surface sliding contact of benchmark snap ring cooperate；Institute
It states amesdial 2 to be installed on gauge stand 3, is fixed with handle 7 in 1 tube port position of benchmark snap ring for placing gauge stand 3.
The benchmark snap ring 1 and the clearance requirement of 5 inner hole of elastic ring inserting cooperation are within 0.015mm.
The cylindricity of 1 external cylindrical surface of benchmark snap ring requires to be within 0.005mm.
The straightness of 1 external cylindrical surface of benchmark snap ring requires to be within 0.005mm.
A kind of elastic ring Wall-Thickness Difference precision measurement method uses elastic ring Wall-Thickness Difference precision measurement apparatus, including as follows
Step:
Step 1: will be on 5 clamping to grinding machine of elastic ring that inner hole and outer circle finish turning processing be completed；
Step 2: fine grinding is carried out to the inner hole of elastic ring 5, until meeting Design Requirement Drawing；
Step 3: by benchmark snap ring 1 without in side insertion 5 inner hole of elastic ring of handle 7, make annular boss 4 and elastic ring 5
End face fitting is by tight；
Step 4: the fine grinding under first stage feed is carried out to the outer circle of elastic ring 5；
Step 5: the gauge stand 3 for being equipped with amesdial 2, which is placed into benchmark snap ring 1, to be had on the external cylindrical surface of 7 side of handle,
It is against the measuring head of amesdial 2 on 1 external cylindrical surface of benchmark snap ring, and faces thousand points on the basis of 1 external cylindrical surface of benchmark snap ring
Table 2 returns to zero to table；
Step 6: being axially moveable gauge stand 3, is against the measuring head of amesdial 2 on the periphery of elastic ring 5；
Step 7: rotation elastic ring 5, and related benchmark snap ring 1 rotates together, and after elastic ring 5 revolves one-turn, amesdial
2 numerical value change range is exactly the variation range of 5 Wall-Thickness Difference of elastic ring；
Step 8: being lifted away from 1 external cylindrical surface of benchmark snap ring together with amesdial 2 for gauge stand 3, after carrying out to the outer circle of elastic ring 5
Fine grinding under continuous stage feed；
Step 9: repeating step 5~step 7, until Wall-Thickness Difference meets Design Requirement Drawing.
After use elastic ring Wall-Thickness Difference precision measurement apparatus and method of the invention, with use wall thickness calipers or wall thickness thousand
Divide ruler to carry out wall thickness difference measurements to compare, become the current comprehensive accurate measurement of continous way from original discrete type discontinuous measurement,
Effectively reduce the occurrence probability of Wall-Thickness Difference off-gage phenomenon.
Since comprehensive accurate measurement can be carried out to Wall-Thickness Difference after each stage feed of fine grinding,
The continuous monitoring to Wall-Thickness Difference during fine grinding, wall caused by reducing to the greatest extent because of operation error are realized in turn
Thick difference is overproof, further improves the wall thickness machining accuracy of elastic ring, the processing quality of elastic ring is also further improved, through reality
Border test, the quality pass rate of elastic ring improve about 35%.
Further more, when the outer circle to elastic ring carries out the fine grinding under each stage feed, due to benchmark snap ring
It is inserted into elastic ring inner hole, circumferential support is played to elastic ring, effectively prevent caused by the outer bowlder of fine grinding elastic ring
Elastic annular strain, and then the Wall-Thickness Difference caused by avoiding because of elastic annular strain is overproof.
In addition, carrying out Wall-Thickness Difference with using wall thickness calipers or wall thickness micrometer gauge due to the measurement method for improving Wall-Thickness Difference
Measurement is compared, and wall thickness difference measurements the time it takes is obviously shortened, so that the overall processing efficiency of elastic ring be made to improve
About 20%.
The scope of patent protection that scheme in embodiment is not intended to limit the invention, it is all without departing from carried out by the present invention etc.
Effect implements or change, is both contained in the scope of the patents of this case.
Claims (1)
1. a kind of elastic ring Wall-Thickness Difference precision measurement method, uses elastic ring Wall-Thickness Difference precision measurement apparatus, which includes
Benchmark snap ring, amesdial and gauge stand, the benchmark snap ring are cylinder barrel shaped structure, are equipped at the middle part of benchmark snap ring cyclic annular convex
Benchmark snap ring and elastic ring the inner hole inserting of platform, annular boss side cooperate, the benchmark snap ring outside cylinder of the annular boss other side
Face is for placing gauge stand；It is symmetrically installed in the gauge stand lower part there are two backing pin, backing pin connects with the sliding of benchmark snap ring external cylindrical surface
Touching cooperation；The amesdial is installed on gauge stand, is fixed with handle in the benchmark snap ring tube port position for placing gauge stand；The base
Quasi- snap ring and the clearance requirement of elastic ring inner hole inserting cooperation are within 0.015mm；The cylinder of the benchmark snap ring external cylindrical surface
Degree requires to be within 0.005mm；The straightness of the benchmark snap ring external cylindrical surface requires to be within 0.005mm；It is characterized by:
Elastic ring Wall-Thickness Difference precision measurement method includes the following steps:
Step 1: will be on the elastic ring binder to grinding machine that inner hole and outer circle finish turning processing be completed；
Step 2: fine grinding is carried out to the inner hole of elastic ring, until meeting Design Requirement Drawing；
Step 3: by benchmark snap ring without in the side insertion elastic ring inner hole of handle, it is bonded annular boss with elastic ring end face
By tight；
Step 4: the fine grinding under first stage feed is carried out to the outer circle of elastic ring；
Step 5: the gauge stand for being equipped with amesdial, which is placed into benchmark snap ring, to be had on the external cylindrical surface of handle side, and amesdial is made
Measuring head be against on benchmark snap ring external cylindrical surface, and on the basis of benchmark snap ring external cylindrical surface in face of amesdial carry out zeroing pair
Table；
Step 6: being axially moveable gauge stand, is against the measuring head of amesdial on the periphery of elastic ring；
Step 7: rotation elastic ring, and related benchmark snap ring rotates together, and after elastic ring revolves one-turn, the numerical value of amesdial
Variation range is exactly the variation range of elastic ring Wall-Thickness Difference；
Step 8: being lifted away from benchmark snap ring external cylindrical surface together with amesdial for gauge stand, to the outer circle of elastic ring carry out follow-up phase into
Fine grinding under knife；
Step 9: repeating step 5~step 7, until Wall-Thickness Difference meets Design Requirement Drawing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122031.XA CN106441019B (en) | 2016-12-08 | 2016-12-08 | A kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611122031.XA CN106441019B (en) | 2016-12-08 | 2016-12-08 | A kind of elastic ring Wall-Thickness Difference precision measurement apparatus and method |
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| Publication Number | Publication Date |
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| CN106441019A CN106441019A (en) | 2017-02-22 |
| CN106441019B true CN106441019B (en) | 2018-12-25 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285132A (en) * | 1979-10-22 | 1981-08-25 | Kloster Kenneth D | Piston rod runout gauge |
| JP2006251233A (en) * | 2005-03-09 | 2006-09-21 | Ricoh Co Ltd | Cylindrical substrate for electrophotographic photoreceptor, electrophotographic photoreceptor, device for measuring deflection quantity, and method for measuring deflection quantity |
| CN201255624Y (en) * | 2008-09-12 | 2009-06-10 | 河南省中原内配股份有限公司 | Wall thickness difference detection tool |
| CN103212723A (en) * | 2013-05-02 | 2013-07-24 | 鞍山红拖机械制造股份有限公司 | Clamping die walking processing method for large-sized metal thin-wall pipe fitting |
| CN203772167U (en) * | 2013-12-31 | 2014-08-13 | 浙江吉利控股集团有限公司 | Order difference measuring tool |
| CN104406482A (en) * | 2014-11-21 | 2015-03-11 | 常州市明强港机配件有限公司 | Adjustable precision detector for sleeve parts |
| CN205607357U (en) * | 2016-03-16 | 2016-09-28 | 湖南洪源远大科技有限公司 | Wall thickness detector |
| CN205642224U (en) * | 2016-05-23 | 2016-10-12 | 常州飞天齿轮有限公司 | Poor detector of steel wall thickness |
-
2016
- 2016-12-08 CN CN201611122031.XA patent/CN106441019B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4285132A (en) * | 1979-10-22 | 1981-08-25 | Kloster Kenneth D | Piston rod runout gauge |
| JP2006251233A (en) * | 2005-03-09 | 2006-09-21 | Ricoh Co Ltd | Cylindrical substrate for electrophotographic photoreceptor, electrophotographic photoreceptor, device for measuring deflection quantity, and method for measuring deflection quantity |
| CN201255624Y (en) * | 2008-09-12 | 2009-06-10 | 河南省中原内配股份有限公司 | Wall thickness difference detection tool |
| CN103212723A (en) * | 2013-05-02 | 2013-07-24 | 鞍山红拖机械制造股份有限公司 | Clamping die walking processing method for large-sized metal thin-wall pipe fitting |
| CN203772167U (en) * | 2013-12-31 | 2014-08-13 | 浙江吉利控股集团有限公司 | Order difference measuring tool |
| CN104406482A (en) * | 2014-11-21 | 2015-03-11 | 常州市明强港机配件有限公司 | Adjustable precision detector for sleeve parts |
| CN205607357U (en) * | 2016-03-16 | 2016-09-28 | 湖南洪源远大科技有限公司 | Wall thickness detector |
| CN205642224U (en) * | 2016-05-23 | 2016-10-12 | 常州飞天齿轮有限公司 | Poor detector of steel wall thickness |
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| CN106441019A (en) | 2017-02-22 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |