CN208688413U - A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal - Google Patents
A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal Download PDFInfo
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- CN208688413U CN208688413U CN201821099497.7U CN201821099497U CN208688413U CN 208688413 U CN208688413 U CN 208688413U CN 201821099497 U CN201821099497 U CN 201821099497U CN 208688413 U CN208688413 U CN 208688413U
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- hole
- pin hole
- gauge
- axle journal
- cubing
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- 238000005259 measurement Methods 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 5
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- 238000003825 pressing Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses a kind of cubings of pin hole relative axle heart line symmetry outside measurement axle journal, the detection instrument being related in axis class manufacture field, including gauge stand (1), shop bolt (2), slide block device (3) and dial gauge (4), so that the verticality precision between shop bolt (2) and dial gauge (4) gauge head is more guaranteed along the sliding of axle journal (5) surface by the sliding block (31) in the positioning of shop bolt (2) and slide block device (3) and reach raising cubing measurement accuracy purpose.The utility model can effectively improve the measurement accuracy of the outer pin hole relative axle heart line symmetry of axle journal.
Description
Technical field
The present invention relates to the detection instruments more particularly to a kind of outer pin hole relative axle of measurement axle journal in axis class manufacture field
The cubing of heart line symmetry, including gauge stand, shop bolt, slide block device and dial gauge.
Background technique
In the processing of axis class, the connection of part axis class especially engine crankshaft front end transmission axle journal and gear is not usual
Key connection, but use cylinder pin connection be driven;Such as YNF45 in cloud, east wind comings 6BT and the upper isometric class of bavin 4V33G
It is the straight pin kind of drive.The structure needs vertically to process a transmission pin hole in transmission axle journal outer circle, and pin hole is in addition to having
Outside axial position requires, the prior symmetry requirement having relative to axle journal axial line occurs in axis manufacture field at present
Fast detecting tool specifically for transmission journal surface pin hole with respect to axle journal axial line symmetry.
Application No. is CN201210043668.5, entitled " a kind of measurement crankshaft journal pin hole is to center line of journal symmetry
Cubing and detection method " Chinese invention patent, disclose a kind of cubing, it includes gauge stand, auxiliary length bar and symmetry hundred
Divide table, can be used to measure crankshaft journal pin hole to center line of journal symmetry, but the cubing is due between cubing and measuring piece
Defect in vertical precision structure, measurement accuracy are also lacking.
Authorization Notice No. is the middle promulgated by the State Council of CN101556134 B entitled " measurer of axially bored line and cylinder axis distance "
It is bright, the measurer of a kind of axially bored line and cylinder axis distance is disclosed, by measurer body, air plug gauge, opening sleeve, guide post, the edge of a knife
Gauge head, bolt and dial gauge composition can be used to measure axially bored line and cylinder axis distance, due to its to measurer and measuring piece it
Between shortcoming in vertical precision structure, measurement accuracy is equally lacking.
Summary of the invention
In view of the deficiencies of the prior art, problem solved by the invention is to provide a kind of outer pin hole relative axle of measurement axle journal
The higher cubing of heart line symmetry precision.
In order to solve the above technical problems, the technical solution adopted by the present invention is that a kind of outer pin hole relative axle heart of measurement axle journal
The cubing of line symmetry, including gauge stand, shop bolt, slide block device and dial gauge, the gauge stand are the inverted "L" shape of uniform width
Structure, below right side width hit exactly with a distance from bottom end be greater than shop bolt radius at, be equipped with a diameter be slightly less than to
The outer pin hole diameter of survey and overhang are slightly less than the shop bolt of outer pin hole depth to be measured;Lateral extensions above the gauge stand
It is divided into table folder, width center is provided with perforation clamping slot and vertically downward for installing the tong-test ammeter through-hole and tong-test ammeter of the dial gauge
The radius of axle journal where the spacing in the center line of through-hole and gauge stand lower right face is equal to outer pin hole to be measured;In the table
It presss from both sides front end face and is equipped with locking hole, the locking hole penetrates through the forward and backward table of the table folder, end face and tightens the folder with installation locking screw
Tight slot, the locking hole are divided into front and back ends by boundary of clamping slot, and front end is unthreaded hole, and rear end is threaded hole, the locking hole center
Line is greater than lock-screw radius from tong-test ammeter through hole center linear distance;The underface of the table folder, gauge stand right side and described hundred
Divide installation between table gauge head to be equipped with slide block device, shop bolt is made along journal surface sliding by the sliding block in the slide block device
Verticality precision between the gauge head of dial gauge, which is more guaranteed to reach, improves cubing measurement accuracy purpose.
The slide block device includes sliding block, connection bolt, spring, and gauge stand flanking central is from table folder bottom surface below the table folder
Distance is equal at the sliding block mid-height, and the connection through-hole of counterbore is equipped with equipped with a both ends, and the connection bolt is from described
The bullet for passing through the gauge stand to the dial indicator measuring head direction on the left of connection through-hole and being mounted on the right side of the connection through-hole
Spring is screwed into the sliding block screw hole that the sliding block centre opens up, and the sliding block is the rectangular parallelepiped structure that there is the inclined-plane 30o in lower section,
Its left side centre is equipped with the screw hole of a perforation, and the sliding block upper surface and the table folder bottom surface are in close contact, and lower section is oblique
Face is in close contact by the effect of pressing force to the right of the spring with journal surface;Due to the sliding block overhead surface and lower section 30
The inclined-plane o is in close contact with the table folder lower surface and measurement axle journal respectively, and when detection can make the dial indicator measuring head keep vertical
In journal surface, simultaneously because the inclined-plane the sliding block 30o can be along axis when shop bolt described in cubing being pushed to be inserted into outer pin hole
Neck is mobile to upper surface, make shop bolt described in cubing generate one be directed toward the active force of outer pin hole hole wall and outside automatic attaching
Pin hole Up Highway UHW realizes that fix vertical with shop bolt of the gauge head of cubing reaches raising cubing measurement accuracy purpose.
Further, the gauge stand right side and the table folder lower surface, described to achieve the purpose that higher measurement accuracy
Shop bolt and the gauge stand right side, the tong-test ammeter through-hole in the table folder have been required to good vertical precision requirement;
The table folder lower surface, the sliding block overhead surface and the lower section inclined-plane 30o have been required to good flatness and finish;
The shop bolt diameter is less than 0.03 millimeter of outer pin hole diameter to be measured.
Steps are as follows for application method of the present invention:
1, pin hole outside axle journal is substantially first gone into upright position upward, cubing dial gauge is then held and is approximately perpendicular to axis
Cubing is pressed down the outer pin hole on cubing shop bolt alignment axle journal outstanding by neck surface on the left of outer pin hole
Enter in outer pin hole;
2, the spring compression sliding block when gauge stand bottom surface is contacted with journal surface, while in slide block device is slided with compression axis
When neck, adjustment dial indicator measuring head and journal surface are tested point contact, and it is tightened that pressure dial gauge measurement stroke two encloses small pointer instruction " 2 "
Tight screws clamp dial gauge;After dial gauge measurement Traffic control system is good, rotation adjustment dial gauge dial is directed to the big finger of dial gauge
Cubing is pulled out out of outer pin hole after quasi- " 0 " groove;The distance of measurement point to outer pin hole has been labeled as " 0 " at this time;
3, by cubing, the insertion of cubing shop bolt is detected outer round pin vertically downward to right side by replacement on the left of outer pin hole
In hole, when gauge stand bottom surface and journal surface compress, while the spring compression sliding block in slide block device is slided to compress axle journal,
Dial indicator measuring head is contacted with another symmetrical measuring point of journal surface, and the reading value of dial gauge instruction at this time is outer pin hole relative axle
2 times of the symmetrical angle value of neck axial line.
Design principle of the present invention be exactly point arrive line a space length Definition Principle: if outer circle pin aperture centerline perpendicular through
Axle journal axial line, then any two symmetric points being symmetrically distributed in two side shaft journal outer circle of outer circle pin aperture centerline are to outer round pin
The distance of centerline hole is equal;Outer circle pin hole symmetry is " 0 " at this time.When outer circle pin aperture centerline disalignment, line is certain
Apart from when, then two symmetrical points on the axle journal of outer pin hole two sides to outer circle pin aperture centerline distance with regard to unequal;
But the two symmetric points are to the difference of outer circle pin aperture centerline distance, are just outer circle pin aperture centerline disalignment linear distance
2 times of (i.e. symmetry).Simultaneously as the distance of outer circle pin aperture centerline to two sides Up Highway UHW, Down Highway is equal;Thus
This cubing measures outer pin hole using shop bolt insertion, and comparison examines on the axle journal of outer pin hole two sides two symmetric points to outer round pin
The difference of the left and right hole wall wiring in hole (Up Highway UHW, Down Highway) distance, two symmetric points on the same circumference of stimulated replacement axle journal arrive
The difference of outer circle pin aperture centerline distance.
Working principle of the present invention: being located at the distance of two symmetric points on the axle journal of outer pin hole two sides by contrasting detection,
Achieve the purpose that quickly to detect outer circle pin hole symmetry.
Using technical solution of the present invention due to the sliding block in slide block device along journal surface sliding can make shop bolt with
Verticality precision between gauge head in dial gauge is more guaranteed, and it is symmetrical to effectively improve the outer pin hole relative axle heart line of axle journal
The measurement accuracy of degree, worst error are can be controlled within 0.02mm.
Detailed description of the invention
Fig. 1 is positive structure schematic when the present invention uses;
Fig. 2 is left side structural schematic diagram when the present invention uses;
Fig. 3 is table folder top view cross section structural schematic diagram;
Fig. 4 is sliding block the schematic diagram of the section structure;
Fig. 5 is slide block structure left view;
Schematic diagram is used on the left of detection method Fig. 6 of the invention;
Schematic diagram is used on the right side of detection method Fig. 7 of the invention.
Specific embodiment
A specific embodiment of the invention is further described with reference to the accompanying drawing, but is not to limit of the invention
It is fixed.
Fig. 1, Fig. 2, Fig. 3 show a kind of cubing of outer pin hole relative axle heart line symmetry of measurement axle journal, including gauge stand
1, shop bolt 2, slide block device 3 and dial gauge 4, the gauge stand 1 are the inverted "L" shape structure of uniform width, below right side
Width is hit exactly to be greater than at 2 radius of shop bolt with a distance from bottom end, is equipped with a diameter and is slightly less than 51 diameter of outer pin hole to be measured
And overhang is slightly less than the shop bolt 2 of 51 depth of outer pin hole to be measured;1 top lateral extensions of gauge stand is divided into table folder 11,
Width center is provided with perforation clamping slot 12 and vertically downward for installing the tong-test ammeter through-hole 13 and tong-test ammeter through-hole 13 of the dial gauge 4
Center line and 1 lower right face of gauge stand spacing be equal to outer 51 place axle journal 5 of pin hole to be measured radius;In 11 front end of table folder
Face is equipped with locking hole 14, and locking hole 14 penetrates through 11 front and rear end of table folder and tightens the clamping slot 12 with installation locking screw 15, locks
Tieholen 14 is that boundary is divided into front and back end with clamping slot 12, and front end is unthreaded hole, and rear end is threaded hole, and 14 center line of locking hole is logical from tong-test ammeter
Hole 13 center line distance is greater than 15 radius of lock-screw;Pacify between the underface of table folder 11,1 right side of gauge stand and 4 gauge head of dial gauge
It is installed with slide block device 3, sliding makes shop bolt 2 and dial gauge 4 along 5 surface of axle journal by the sliding block 31 in slide block device 3
Verticality precision between gauge head, which is more guaranteed to reach, improves cubing measurement accuracy purpose.
As shown in Figure 1, the slide block device 3 includes sliding block 31, connection bolt 32, spring 33,11 lower section gauge stand of table folder, 1 side
Face center is equal at 31 mid-height of sliding block with a distance from 11 bottom surface of table folder, and the connection through-hole 34 of counterbore is equipped with equipped with a both ends,
Connection bolt 32 passes through gauge stand 1 from 34 left side of connection through-hole to 4 gauge head direction of dial gauge and is mounted on 34 right side of connection through-hole
Spring 33 is screwed into the sliding block screw hole 311 that 31 left side centre of sliding block opens up, and sliding block 31 is that lower section has the rectangular of the inclined-plane 30o
Body structure, left side centre are equipped with the screw hole 311 of a perforation, as shown in Figure 4, Figure 5;Under 31 upper surface of sliding block and table folder 11
Bottom surface is in close contact, to the right pressing force effect and axle journal 5 intimate surface contact of the lower section inclined-plane by spring 33;Due to sliding block 31
Overhead surface and the lower section inclined-plane 30o are in close contact with 11 lower surface of table folder and measurement axle journal 5 respectively, and when detection can make dial gauge 4
Gauge head remains perpendicular to 5 surface of axle journal, simultaneously because when cubing shop bolt 2 being pushed to be inserted into outer pin hole 51, the inclined-plane sliding block 30o
It can be moved along axle journal 5 to upper surface, cubing shop bolt 2 is made to generate active force that one is directed toward outer 51 hole wall of pin hole and oneself
Dynamic outer 51 Up Highway UHW 52 of pin hole of fitting realizes that the gauge head of the cubing fixed raising cubing that reaches vertical with shop bolt measures essence
Spend purpose.
Further, to achieve the purpose that higher measurement accuracy, 1 right side of gauge stand and 11 lower surface of table folder, shop bolt 2
With 1 right side of gauge stand, the tong-test ammeter through-hole 13 in table folder 11 has been required to good vertical precision requirement;11 lower surface of table folder, cunning
31 overhead surface of block and the lower section inclined-plane 30o have been required to good flatness and finish;
2 diameter of shop bolt is less than outer 0.03 millimeter of 51 diameter of pin hole to be measured.
Steps are as follows for application method of the present invention:
1, referring to attached drawing 6, the outer pin hole 51 of axle journal 5 is substantially first gone into upright position upward, then holds cubing percentage
Table 4 is approximately perpendicular to 5 surface of axle journal, and cubing shop bolt 2 outstanding is directed at the outer pin hole 51 on axle journal 5, by cubing from
The left side of outer pin hole 51 is pressed into down in outer circle pin hole 51;
2,33 pressed slider 31 of spring sliding when 1 bottom surface of gauge stand is contacted with 5 surface of axle journal, while in slide block device with
When compressing axle journal 5, adjustment 4 gauge head of dial gauge is contacted with 5 surface measured point 6 of axle journal, and pressure dial gauge 4 measures stroke two and encloses small pointer
Indicate that " 2 " twist lock-screw 15 and clamp dial gauge 4;After the measurement Traffic control system of dial gauge 4 is good, rotation adjustment 4 dial of dial gauge
Cubing is pulled out out of outer pin hole 51 after so that the big pointer of dial gauge 4 is directed at " 0 " groove;Measurement point 6 arrives outer pin hole 51 at this time
Distance have been labeled as " 0 ";
3, referring to attached drawing 7, cubing is replaced on the left of outer pin hole 51 to right side, vertically downward by cubing shop bolt 2
Insertion detects in outer pin hole 51, and when 1 bottom surface of gauge stand and 5 surface of axle journal compression, while the spring 33 in slide block device compresses
When the sliding of sliding block 31 is to compress axle journal 5,4 gauge head of dial gauge is contacted with another symmetrical measuring point 7 in 5 surface of axle journal, and dial gauge 4 refers at this time
The reading value shown is 2 times of the opposite symmetrical angle value of 5 axial line of axle journal of outer pin hole 51.
Design principle of the present invention is exactly the space length Definition Principle that point arrives line: if 51 central axis of outer pin hole is logical
5 axial line of axle journal is crossed, then any two symmetric points being symmetrically distributed in two side shaft journal of outer 51 center line of pin hole, 5 outer circle arrive
The distance of outer 51 center line of pin hole is equal;Outer 51 symmetry of pin hole is " 0 " at this time.When outer 51 center line of pin hole is inclined
When with a certain distance from axial line, then two symmetrical points on 51 liang of side shaft journals 5 of outer pin hole are to outer 51 center of pin hole
The distance of line is with regard to unequal;But the two symmetric points are to the difference of outer 51 center line distance of pin hole, are just outer pin hole 51
2 times of center line disalignment linear distance (i.e. symmetry).Simultaneously as outer 51 center line of pin hole is to two sides Up Highway UHW, lower mother
The distance of line is equal;Outer pin hole 51 is measured using the insertion of shop bolt 2 for this this cubing, comparison examines outer 51 liang of pin hole
Two symmetric points to the difference of outer pin hole 51 left and right hole wall wiring (Up Highway UHW, Down Highway) distance, replace by simulation on side shaft journal 5
For two symmetric points on the same circumference of axle journal 5 to the difference of outer 51 center line distance of pin hole.
Working principle of the present invention: by contrasting detection be located at two symmetric points on 51 liang of side shaft journals 5 of outer pin hole away from
From achieving the purpose that quickly to detect outer 51 symmetry of pin hole.
Using technical solution of the present invention due to the sliding block in slide block device along journal surface sliding can make shop bolt with
Verticality precision between gauge head in dial gauge is more guaranteed, and it is symmetrical to effectively improve the outer pin hole relative axle heart line of axle journal
The measurement accuracy of degree, worst error are can be controlled within 0.02mm.
Detailed description is made that embodiments of the present invention in conjunction with attached drawing above, but the present invention be not limited to it is described
Embodiment.To those skilled in the art, without departing from the principles and spirit of the present invention, to these implementations
Mode carries out various change, modification, replacement and variant are still fallen in protection scope of the present invention.
Claims (4)
1. a kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal, including gauge stand (1), shop bolt (2), sliding block
Device (3) and dial gauge (4), the gauge stand (1) be uniform width inverted "L" shape structure, below right side width hit exactly from
Bottom end distance be greater than the shop bolt (2) radius at, be equipped with a diameter be slightly less than outer pin hole (51) diameter to be measured and
Overhang is slightly less than the shop bolt (2) of outer pin hole (51) depth to be measured;Lateral extensions is divided into table above the gauge stand (1)
It presss from both sides (11), width center is provided with perforation clamping slot (12) and vertically downward for installing the tong-test ammeter through-hole of the dial gauge (4)
(13) and the spacing in the center line of tong-test ammeter through-hole (13) and the gauge stand (1) lower right face is equal to outer pin hole (51) institute to be measured
Radius in axle journal (5);Locking hole (14) are equipped in the table folder (11) front end face, the locking hole (14) penetrates through the table folder
(11) clamping slot (12) is tightened with installation locking screw (15) in front and rear end, and the locking hole (14) is with clamping slot (12)
It is divided into front and back ends for boundary, front end is unthreaded hole, and rear end is threaded hole, and locking hole (14) center line is from tong-test ammeter through-hole (13)
Heart linear distance is greater than lock-screw (15) radius, it is characterised in that: underface, the gauge stand (1) right side of the table folder (11)
Installation is additionally provided with slide block device (3) between the dial gauge (4) gauge head, passes through the sliding block (31) in the slide block device (3)
Sliding along axle journal (5) surface, which makes the verticality precision between shop bolt (2) and the gauge head of dial gauge (4) more be guaranteed, reaches
To raising cubing measurement accuracy purpose.
2. the cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal according to claim 1, it is characterised in that: institute
Stating slide block device (3) includes sliding block (31), connection bolt (32), spring (33), below the table folder (11) in gauge stand (1) side
It entreats and is equal at the sliding block (31) mid-height with a distance from table folder (11) bottom surface, the connection through-hole of counterbore is equipped with equipped with a both ends
(34), the connection bolt (32) passes through the table to the dial gauge (4) gauge head direction on the left of the connection through-hole (34)
Seat (1) and the spring (33) being mounted on the right side of connection through-hole (34) are screwed into centre on the left of the sliding block (31) and open up
Sliding block screw hole (311), the sliding block (31) is that lower section has the rectangular parallelepiped structure on the inclined-plane 30o, on the left of centre set
There is the screw hole (311) of a perforation, sliding block (31) upper surface and the table folder (11) bottom surface are in close contact, lower section inclined-plane
The effect of pressing force to the right and axle journal (5) intimate surface contact by the spring (33).
3. the cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal according to claim 2, it is characterised in that: institute
State gauge stand (1) right side and the table folder (11) lower surface, the shop bolt (2) and the gauge stand (1) right side, the table
The tong-test ammeter through-hole (13) on folder (11) has been required to good vertical precision requirement;It is table folder (11) lower surface, described
Sliding block (31) overhead surface and the lower section inclined-plane 30o have been required to good flatness and finish.
4. the cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal according to any one of claims 1 to 3, special
Sign is: shop bolt (2) diameter is less than 0.03 millimeter of diameter of outer pin hole (51) to be measured.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821099497.7U CN208688413U (en) | 2018-07-12 | 2018-07-12 | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821099497.7U CN208688413U (en) | 2018-07-12 | 2018-07-12 | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal |
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Publication Number | Publication Date |
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CN208688413U true CN208688413U (en) | 2019-04-02 |
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CN201821099497.7U Withdrawn - After Issue CN208688413U (en) | 2018-07-12 | 2018-07-12 | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645326A (en) * | 2018-07-12 | 2018-10-12 | 桂林福达曲轴有限公司 | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal |
CN115922587A (en) * | 2022-09-30 | 2023-04-07 | 成都飞机工业(集团)有限责任公司 | Clamp for measuring symmetry degree of radial hole of bolt shaft |
-
2018
- 2018-07-12 CN CN201821099497.7U patent/CN208688413U/en not_active Withdrawn - After Issue
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645326A (en) * | 2018-07-12 | 2018-10-12 | 桂林福达曲轴有限公司 | A kind of cubing of the outer pin hole relative axle heart line symmetry of measurement axle journal |
CN108645326B (en) * | 2018-07-12 | 2023-12-12 | 桂林福达曲轴有限公司 | Gauge for measuring symmetry degree of journal excircle pin hole relative to axial lead |
CN115922587A (en) * | 2022-09-30 | 2023-04-07 | 成都飞机工业(集团)有限责任公司 | Clamp for measuring symmetry degree of radial hole of bolt shaft |
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AV01 | Patent right actively abandoned |
Granted publication date: 20190402 Effective date of abandoning: 20231212 |