CN106643427A - Bearing play measuring instrument and measuring method thereof - Google Patents

Bearing play measuring instrument and measuring method thereof Download PDF

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Publication number
CN106643427A
CN106643427A CN201611266222.3A CN201611266222A CN106643427A CN 106643427 A CN106643427 A CN 106643427A CN 201611266222 A CN201611266222 A CN 201611266222A CN 106643427 A CN106643427 A CN 106643427A
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CN
China
Prior art keywords
measuring instrument
fixture block
measurement
bearing
adjustment part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611266222.3A
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Chinese (zh)
Inventor
雷群
徐静康
汤秀清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Haozhi Electromechanical Co Ltd
Original Assignee
Guangzhou Haozhi Electromechanical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Haozhi Electromechanical Co Ltd filed Critical Guangzhou Haozhi Electromechanical Co Ltd
Priority to CN201611266222.3A priority Critical patent/CN106643427A/en
Publication of CN106643427A publication Critical patent/CN106643427A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G01B5/146Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures measuring play on bearings

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The invention provides a bearing play measuring instrument and a measuring method thereof, and the measuring instrument comprises a measuring instrument body. The measuring instrument body comprises a measuring clamping block, a dial indicator, and a distance adjustment part. The measuring clamping block is provided with an inner hole and an opening. The diameter of the inner hole is greater than the external diameter of an inner ring of a bearing. The distance adjustment part is used for adjusting the diameter of the inner hole. The dial indicator is installed on the measuring clamping block. The dial indicator calibrates the internal diameter of the outer ring of the bearing, and the distance adjustment part is used for enlarging the inner hole of the measuring clamping block. The inner hole of the measuring clamping block clamps the inner ring of the bearing, and then the distance adjustment part is released. The measuring clamping block rebounds under the action of a resilience force, and the reading of the dial indicator is the bearing play value. The measuring instrument is ingenious in design, is reasonable in measuring method, solves a problem of repeated errors of repeated measurement through the consistency of the resilience force, is simple and convenient for measurement, and is easy to implement.

Description

A kind of bearing clearance measuring instrument and its measuring method
Technical field
The present invention relates to fields of measurement, and in particular to a kind of bearing clearance measuring instrument and its measuring method.
Background technology
In the assembling of cylinder roller bearing, its end-play is the important technology for directly affecting installation capability and performance Require.Traditional measuring method is calculated by empirical value plus computing formula, leads to not accurately measure reality The clearance value on border and cause performance fail probability increase.
The direct measuring method of the end-play of conical bore cylinder roller bearing, conical bore cylindrical roller axle are there is also at present It is peaceful to be put on workbench, the pressing plate of corresponding size is placed on conical bore cylinder roller bearing inner ring, with nut or screw Compress, adjust instrument, when manual push-and-pull conical bore cylinder roller bearing outer ring is to two extreme positions, the difference of instrument indicated value is For end-play.The method has the disadvantage:Conical bore cylinder roller bearing is often covered when end-play is measured, be required for fastening and tear open Removing nut or screw and pressing plate, simultaneously because not to the radial positioning of bearing precision, so measurement conical bore cylinder rolling every time Sub- bearing is required for adjusting instrument, so the end-play detection method high labor intensive of current conical bore cylinder roller bearing It is low with efficiency.
The content of the invention
It is an object of the invention to overcome prior art exist problem above, there is provided a kind of bearing clearance measuring instrument and its Measuring method, for the structural cubing of quick, accurate measurement cylinder roller bearing end-play, measuring instrument adopts inner circle envelope Bearing adds the mode of amesdial reading, accurately and effectively measures actual clearance value.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is achieved through the following technical solutions:
A kind of bearing clearance measuring instrument and its measuring method, including measuring instrument body;Described measuring instrument body includes surveying Amount fixture block, amesdial, roll adjustment part;Described measurement fixture block is provided with endoporus, opening;Described diameter of bore is more than outside bearing inner race Footpath;Described roll adjustment part adjusts diameter of bore;Described amesdial install with described measurement fixture block;Described amesdial school Fiducial axis bearing outer-ring inner diameter values, the support of fixture block endoporus will be measured greatly by described roll adjustment part, described measurement fixture block endoporus clamping axle Hold inner ring, the described roll adjustment part of release, described measurement fixture block resilience under screen resilience effect.
Further, described measurement fixture block is symmetrical structure;Described measurement fixture block includes bottom fixture block, top clip block;Institute The top clip block stated is provided with tapped through hole;Described roll adjustment part coordinates with tapped through hole.
Further, described measuring instrument body also includes limiting cushion block;Described limiting cushion block is fixed on described survey On amount fixture block;Described limiting cushion block is located at described measurement between fixture block and described roll adjustment part.
Further, described measuring instrument body also includes handle;Described handle is connected to described by handle base On measurement fixture block.
Further, described handle quantity is two;Described handle is symmetrically installed.
Further, described measuring instrument body also includes guide pad;Described guide pad contradicts described measuring instrument sheet Body is provided with the side of opening.
Further, described measuring instrument body also includes contiguous block, supporting pad;Described amesdial passes through described company Connect block to be fixed on described measurement fixture block;Described table pad is fixedly installed on described bottom fixture block;Set on described table pad There is detection plane;The gauge head of described amesdial contradicts described detection plane.
Further, described measuring instrument body also includes supporting pad;Described supporting pad is arranged at described measuring instrument Body one side;The quantity of described supporting pad is two or more.
A kind of measuring method of bearing clearance measuring instrument, comprises the following steps:
S1, measurement bearing outer ring diameter of bore, with inside dial indicator bearing outer ring diameter of bore is measured;
S2, measurement fixture block endoporus school zero, according to S1 measured values, by adjusting roll adjustment part, make the indicated value and S1 of amesdial Measured value is consistent;
S3, measurement bearing inner race external diameter diameter, make the endoporus support of the measurement fixture block big, in bearing by adjusting roll adjustment part Circle is put in endoporus and clamps, and adjusts roll adjustment part release measurement fixture block, and after measurement fixture block resilience, amesdial reading is bearing clearance Value.
Further, after described step S2 zeroing step, is also included before S3, described zeroing step is included according to described Measurement fixture block endoporus correction value, adjust amesdial indicated value.
Beneficial effects of the present invention are as follows:
1st, the position of amesdial is placed on the centre of whole cubing, Ke Yishi by the present invention by dexterously structure design The numerical value of the numerical value shown in existing amesdial and actual change is into 1:1 proportionate relationship, needs not move through any conversion, effectively carries High detection efficiency, the advantages of accuracy of detection is high.
2nd, the present invention makes the repeatable accuracy of each measurement consistent by dexterously structure design, need during measurement every time by After the endoporus support of measurement fixture block is big, then bearing is put into the centre of cubing, is surveyed using the power of measurement fixture block resilience itself Amount, it is ensured that every time the measurement power of measurement is consistent.
3rd, the present invention dexterously increased a handle at two ends, in order to which the temperature for preventing human body is delivered to cubing In the middle of inner circle, prevent because measurement temperature causes the problem of certainty of measurement decline.
4th, the present invention is by cleverly structure design, inner ring of the endoporus itself than cylinder roller bearing because measuring fixture block Greatly, so measuring the state that fixture block endoporus is an ellipse when real measurement, when realizing measurement fixture block endoporus is measured With cylinder roller bearing it is two-point contact, it is to avoid there is small interference during measurement and affect measure error.
5th, symmetrical mode is employed in overall structure of the present invention, its center of gravity is in the center of total inner circle, energy It is enough the characteristics of realize the automatic capturing center in measurement, without the need for hand steered positive cubing.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after. The specific embodiment of the present invention is shown in detail in by following examples and its accompanying drawing.
Description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings:
Fig. 1 is a kind of bearing clearance measuring instrument structural representation of the present invention;
Fig. 2 is a kind of bearing clearance measuring instrument side view of the present invention;
Fig. 3 is a kind of bearing clearance measuring instrument sectional view A-A of the present invention;
Label declaration in figure:Measuring instrument body 1, roll adjustment part 2, limiting cushion block 3, amesdial 4, contiguous block 5, measurement fixture block 6, Handle base 7, handle 8, guide pad 9, supporting pad 10, table pad 11, opening 12, bottom fixture block 61, top clip block 62.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
Shown in reference picture 1-3, a kind of bearing clearance measuring instrument, as shown in figure 1, including measuring instrument body 1;Described measurement Instrument body 1 includes measurement fixture block 6, amesdial 4, roll adjustment part 2;Described measurement fixture block 6 is provided with endoporus, opening 12;Described is interior Bore dia is more than bearing inner race external diameter;Described roll adjustment part 2 adjusts diameter of bore;Described amesdial 4 is installed and described survey On amount fixture block 6;The described calibration bearing outer ring inner diameter values of amesdial 4, by described roll adjustment part 2 support of the endoporus of fixture block 6 will be measured Greatly, the described endoporus of measurement fixture block 6 clamping bearing inner race, the described roll adjustment part 2 of release, described measurement fixture block 6 is in screen resilience The lower resilience of effect.The position of amesdial 4 is placed on into the centre of whole amount instrument body 1, it is possible to achieve the number shown in amesdial 4 Value and the numerical value of actual change are into 1:1 proportionate relationship, needs not move through any conversion, effectively improves detection efficiency;Preferably, Endoporus 0.1mm bigger than the inner ring external diameter of cylinder roller bearing itself, thus when real measurement measuring instrument body 1 endoporus It is the state of an ellipse, the endoporus of measuring instrument body 1 and bearing inner race are two-point contacts when realizing measurement, it is to avoid during measurement There is small interference and affect measure error.
Further, described measurement fixture block 6 is symmetrical structure;Described measurement fixture block 6 includes bottom fixture block 61, top clip block 62;Described top clip block 62 is provided with tapped through hole;Described roll adjustment part 2 coordinates with tapped through hole.Roll adjustment part 2 is preferably using tune Section screw rod.Measurement fixture block 6 adopts bilateral symmetry, and its center of gravity can be realized in measurement at the center of total inner circle The characteristics of automatic capturing center, without the need for hand steered positive cubing.
Further, described measuring instrument body 1 also includes limiting cushion block 3;Described limiting cushion block 3 is fixed on described On measurement fixture block 6;Described limiting cushion block 3 is located at described measurement between fixture block 6 and described roll adjustment part 2.Adjusting screw rod passes through Screw and unclamp adjust endoporus size use, limiting cushion block 3 with mode connects for screw to measurement fixture block 6 in, for limiting adjusting screw rod Screw the limit use, prevent by endoporus support it is excessive, cause endoporus to be permanently deformed.
Further, described measuring instrument body 1 also includes handle 8;Described handle 8 is connected to institute by handle base 7 On the measurement fixture block 6 stated.Further, the described quantity of handle 8 is two;Described handle 8 is symmetrically installed.Prevent human body Temperature is delivered in the middle of cubing inner circle, is prevented because measurement temperature causes the problem of certainty of measurement decline.
Further, described measuring instrument body 1 also includes guide pad 9;Described guide pad 9 contradicts described measuring instrument Body 1 is provided with the side of opening 12.Further, described measuring instrument body 1 also includes table pad 11;Described table pad 11 is consolidated Dingan County is loaded on described bottom fixture block 61;Described table pad 11 is provided with detection plane;The gauge head of described amesdial 4 contradicts institute The detection plane stated.Guide pad 9 and the measurement fit clearance of fixture block 6 are used between 2-5 μ for being oriented to, and table pad 11 uses mode connects for screw To on the bottom fixture block 61 of measurement fixture block 6, the measurement endoporus of fixture block 6 is allowed to be adjusted the big state that afterwards table pad 11 is remained stationary as.
Further, described measuring instrument body 1 also includes contiguous block 5, supporting pad 10;Described amesdial 4 passes through institute The contiguous block 5 stated is fixed on described measurement fixture block 6;Described supporting pad 10 is arranged at the described side of measuring instrument body 1 Face;The quantity of described supporting pad 10 is two or more.Preferably, supporting pad 10 totally 3, are connected to measurement fixture block 6 back side, use Use when placing, it is to avoid the measurement directly contact workbench of fixture block 6, handle 8 and handle base 7 with mode connects for screw to measurement fixture block 6, Facilitate taking and placing.
As shown in figure 3, a kind of measuring method of bearing clearance measuring instrument, comprises the following steps:
The first step, measurement bearing outer ring diameter of bore, with inside dial indicator bearing outer ring diameter of bore is measured;
Second step, measurement fixture block 6 endoporus school zero, according to S1 measured values, by adjusting roll adjustment part 2, make the instruction of amesdial 4 Value is consistent with S1 measured values;The size of cylinder roller bearing outer ring endoporus is delivered in the endoporus of measuring instrument body 1;
3rd step, measurement bearing inner race external diameter diameter, make the endoporus support of the measurement fixture block 6 big by adjusting roll adjustment part 2, Bearing inner race is put in endoporus and clamps, and adjusts roll adjustment part 2 and discharges measurement fixture block 6, and after the measurement resilience of fixture block 6, the reading of amesdial 4 is For bearing clearance value.General, the endoporus of measurement fixture block 6 is supportted into big 0.2-0.3mm or so, bearing inner race is being put into into endoporus just Central authorities, unclamp adjusting screw rod, and measurement fixture block 6 automatically can clamp bearing inner race, and the deviation of reading in amesdial 4 is in bearing Enclose the clearance value relative to bearing outer ring.After by adjusting bearing internal external circle clearance value, continue to measure, until the clearance of target, Reach bearing ideal clearance value.
Further, after described second step zeroing step, is also included before the 3rd step, described zeroing step includes basis The correction value of the endoporus of described measurement fixture block 6, adjusts the indicated value of amesdial 4;For different meter endoporus, correction value differs Cause, such as correction value is -0.002, then amesdial 4 is adjusted to -0.002.
Each repeatable accuracy for measuring is consistent, after every time is supportted greatly the endoporus of measuring instrument body 1 during measurement, then in bearing Circle is put into the centre of measuring instrument body 1, is measured using the power of measuring instrument body 1 resilience itself, it is ensured that measure every time Measurement power is consistent.
The present invention provides a kind of bearing clearance measuring instrument and its measuring method, including measuring instrument body;Described measuring instrument Body includes measurement fixture block, amesdial, roll adjustment part;Described measurement fixture block is provided with endoporus, opening;Described diameter of bore is more than Bearing inner race external diameter;Described roll adjustment part adjusts diameter of bore;Described amesdial install with described measurement fixture block;It is described Amesdial calibration bearing outer ring inner diameter values, big, the described measurement fixture block of fixture block endoporus support will be measured by described roll adjustment part Endoporus clamps bearing inner race, the described roll adjustment part of release, described measurement fixture block resilience under screen resilience effect, amesdial reading As bearing clearance value.Present invention design is ingenious, and measuring method rationally, using the uniformity of screen resilience the weight of duplicate measurements is solved Multiple error problem, and measurement process is easy, it is easy to accomplish.
The above, only presently preferred embodiments of the present invention not makees any pro forma restriction to the present invention;It is all The those of ordinary skill of the industry can shown in by specification accompanying drawing and the above and swimmingly implement the present invention;But, it is all Those skilled in the art are done in the range of without departing from technical solution of the present invention using disclosed above technology contents A little change, modification and the equivalent variations for developing for going out, are the Equivalent embodiments of the present invention;Meanwhile, it is all according to the present invention's Change, modification and differentiation of any equivalent variations that substantial technological is made to above example etc., still fall within the skill of the present invention Within the protection domain of art scheme.

Claims (10)

1. a kind of bearing clearance measuring instrument, including measuring instrument body (1), it is characterised in that:Described measuring instrument body (1) includes Measurement fixture block (6), amesdial (4), roll adjustment part (2);Described measurement fixture block (6) is provided with endoporus, opening (12);Described endoporus With diameter greater than bearing inner race external diameter;Described roll adjustment part (2) adjusts diameter of bore;Described amesdial (4) install with it is described In measurement fixture block (6);Described amesdial (4) calibration bearing outer ring inner diameter values, by described roll adjustment part (2) fixture block will be measured (6) endoporus support is big, described measurement fixture block (6) endoporus clamping bearing inner race, the described roll adjustment part (2) of release, described measurement Fixture block (6) resilience under screen resilience effect.
2. a kind of bearing clearance measuring instrument according to claim 1, it is characterised in that:Described measurement fixture block (6) is right Claim structure;Described measurement fixture block (6) includes bottom fixture block (61), top clip block (62);Described top clip block (62) is provided with screw thread Through hole;Described roll adjustment part (2) coordinates with tapped through hole.
3. a kind of bearing clearance measuring instrument according to claim 2, it is characterised in that:Described measuring instrument body (1) is also Including limiting cushion block (3);Described limiting cushion block (3) is fixed on described measurement fixture block (6);Described limiting cushion block (3) Positioned between described measurement fixture block (6) and described roll adjustment part (2).
4. a kind of bearing clearance measuring instrument according to claim 3, it is characterised in that:Described measuring instrument body (1) is also Including handle (8);Described handle (8) is connected on described measurement fixture block (6) by handle base (7).
5. a kind of bearing clearance measuring instrument according to claim 4 and its measuring method, it is characterised in that:Described handle (8) quantity is two;Described handle (8) is symmetrically installed.
6. a kind of bearing clearance measuring instrument according to claim 5, it is characterised in that:Described measuring instrument body (1) is also Including guide pad (9);Described guide pad (9) contradicts the side that described measuring instrument body (1) is provided with opening (12).
7. according to a kind of one of them described bearing clearance measuring instrument of claim 2 to 6, it is characterised in that:Described measurement Instrument body (1) also includes table pad (11);Described table pad (11) is fixedly installed on described bottom fixture block (61);Described table pad (11) it is provided with detection plane;The gauge head of described amesdial (4) contradicts described detection plane.
8. a kind of bearing clearance measuring instrument according to claim 7, it is characterised in that:Described measuring instrument body (1) is also Including contiguous block (5), supporting pad (10);Described amesdial (4) is fixed on described measurement folder by described contiguous block (5) On block (6);Described supporting pad (10) is arranged at described measuring instrument body (1) one side;The number of described supporting pad (10) Measure as two or more.
9. the measuring method of a kind of bearing clearance measuring instrument according to claim 1 to 8, it is characterised in that including following Step:
S1, measurement bearing outer ring diameter of bore, with inside dial indicator bearing outer ring diameter of bore is measured;
S2, measurement fixture block (6) endoporus school zero, according to S1 measured values, by adjusting roll adjustment part (2), make the indicated value of amesdial (4) It is consistent with S1 measured values;
S3, measurement bearing inner race external diameter diameter, make the endoporus support of measurement fixture block (6) big, bearing by adjusting roll adjustment part (2) Inner ring is put in endoporus and clamps, and adjusts roll adjustment part (2) release measurement fixture block (6), and after measurement fixture block (6) resilience, amesdial (4) is read Number is bearing clearance value.
10. the measuring method of a kind of bearing clearance measuring instrument according to claim 9, it is characterised in that:Described step Also include zeroing step after S2, before S3, described zeroing step includes the amendment of the endoporus according to described measurement fixture block (6) Value, adjusts amesdial (4) indicated value.
CN201611266222.3A 2016-12-31 2016-12-31 Bearing play measuring instrument and measuring method thereof Pending CN106643427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611266222.3A CN106643427A (en) 2016-12-31 2016-12-31 Bearing play measuring instrument and measuring method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611266222.3A CN106643427A (en) 2016-12-31 2016-12-31 Bearing play measuring instrument and measuring method thereof

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108592760A (en) * 2018-08-14 2018-09-28 洛阳市通航电子设备有限公司 A kind of bearing end-play measuring instrument being conveniently operated
CN109341486A (en) * 2018-11-12 2019-02-15 安徽华旦机械制造有限公司 A kind of systematization channel bearing Internal and external cycle measuring device and its measurement method
CN112097605A (en) * 2020-09-17 2020-12-18 中国航发成都发动机有限公司 Device and method for measuring bearing clearance of aero-engine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468875A (en) * 1946-02-14 1949-05-03 Karl E Henrikson Radial clearance gauge
JP2007212432A (en) * 2006-01-16 2007-08-23 Ntn Corp Residual radial internal clearance adjustable gauge
CN201876223U (en) * 2010-10-25 2011-06-22 武汉钢铁(集团)公司 Detection device for rolling bearing
CN103389024A (en) * 2013-07-19 2013-11-13 西北轴承股份有限公司 Measuring instrument for radial internal clearance of medium-large rolling bearing
CN104142109A (en) * 2014-07-05 2014-11-12 安徽迈思特轴承有限公司 Clearance measuring device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468875A (en) * 1946-02-14 1949-05-03 Karl E Henrikson Radial clearance gauge
JP2007212432A (en) * 2006-01-16 2007-08-23 Ntn Corp Residual radial internal clearance adjustable gauge
CN201876223U (en) * 2010-10-25 2011-06-22 武汉钢铁(集团)公司 Detection device for rolling bearing
CN103389024A (en) * 2013-07-19 2013-11-13 西北轴承股份有限公司 Measuring instrument for radial internal clearance of medium-large rolling bearing
CN104142109A (en) * 2014-07-05 2014-11-12 安徽迈思特轴承有限公司 Clearance measuring device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108592760A (en) * 2018-08-14 2018-09-28 洛阳市通航电子设备有限公司 A kind of bearing end-play measuring instrument being conveniently operated
CN108592760B (en) * 2018-08-14 2023-12-19 慈溪市倍尔林实业有限公司 Bearing radial play measuring instrument convenient to operate
CN109341486A (en) * 2018-11-12 2019-02-15 安徽华旦机械制造有限公司 A kind of systematization channel bearing Internal and external cycle measuring device and its measurement method
CN112097605A (en) * 2020-09-17 2020-12-18 中国航发成都发动机有限公司 Device and method for measuring bearing clearance of aero-engine

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