CN106643427A - Bearing play measuring instrument and measuring method thereof - Google Patents
Bearing play measuring instrument and measuring method thereof Download PDFInfo
- 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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- China
- Prior art keywords
- measuring instrument
- fixture block
- measurement
- bearing
- adjustment part
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Classifications
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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
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
- G01B5/146—Measuring 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
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN201611266222.3A CN106643427A (en) | 2016-12-31 | 2016-12-31 | Bearing play measuring instrument and measuring method thereof |
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CN106643427A true CN106643427A (en) | 2017-05-10 |
Family
ID=58837639
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Application Number | Title | Priority Date | Filing Date |
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CN201611266222.3A Pending CN106643427A (en) | 2016-12-31 | 2016-12-31 | Bearing play measuring instrument and measuring method thereof |
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CN (1) | CN106643427A (en) |
Cited By (3)
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 |
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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 |
-
2016
- 2016-12-31 CN CN201611266222.3A patent/CN106643427A/en active Pending
Patent Citations (5)
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)
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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