CN208366250U - Detector for outer diameter error measuring device - Google Patents
Detector for outer diameter error measuring device Download PDFInfo
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- CN208366250U CN208366250U CN201821210266.9U CN201821210266U CN208366250U CN 208366250 U CN208366250 U CN 208366250U CN 201821210266 U CN201821210266 U CN 201821210266U CN 208366250 U CN208366250 U CN 208366250U
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Abstract
The utility model relates to technical fields of mechanical processing, disclose a kind of detector for outer diameter error measuring device.The detector for outer diameter error measuring device, including bottom plate (1), the sliding unit that amesdial and the driving workpiece for measurement for measuring workpiece for measurement (17) detector for outer diameter error move along a straight line, the amesdial is fixed on the bottom plate, the sliding unit is slidably arranged on the bottom plate, the sliding unit includes the positioning region for being positioned to the workpiece for measurement, the gauge head (15) of the amesdial with the workpiece for measurement for leaning, the tangent value of angle between the telescopic direction of the gauge head of the amesdial and the moving direction of the positioning region is 0.5.The utility model can effectively measure the detector for outer diameter error of round piece, to realize whether detection round piece meets the purpose of production required precision, and measurement accuracy is high, is able to satisfy the requirement of different specification size workpiece.
Description
Technical field
The utility model relates to technical fields of mechanical processing, more particularly to a kind of detector for outer diameter error measuring device.
Background technique
Workpiece usually requires to test to the size of workpiece after completing production, generally requires for round piece
Examine whether the diameter of workpiece reaches required precision, vernier caliper, dial gauge or amesdial are generally used in current inspection, still
Generally existing low measurement accuracy, the problem of can not accurately measuring, if it is batch production, and size is big, workpiece with high accuracy
Examine get up it is just more bothersome, in addition, also lack in the prior art specific aim be suitable for round piece outer diameter examine device.
Utility model content
That the purpose of this utility model is to overcome Workpiece inspection precision of the existing technology is low, lacks specific aim is applicable in
The problem of outer diameter verifying attachment of round piece, provides a kind of detector for outer diameter error measuring device, and the device measurement accuracy is high, examines
It is convenient, suitable for the Workpiece inspection of batch production, and it is able to satisfy the requirement of different specification size workpiece.
To achieve the goals above, the utility model provides a kind of detector for outer diameter error measuring device, including bottom plate, for surveying
The sliding unit that the amesdial and the driving workpiece for measurement for measuring workpiece for measurement detector for outer diameter error move along a straight line, the amesdial
Be fixed on the bottom plate, the sliding unit is slidably arranged on the bottom plate, the sliding unit include for pair
The positioning region that the workpiece for measurement is positioned, the gauge head of the amesdial with the workpiece for measurement for leaning, and described thousand
The tangent value for dividing the angle between the telescopic direction of gauge head and the moving direction of the positioning region of table is 0.5.
Preferably, the sliding unit further includes the slide for driving the positioning region to slide on the bottom plate.
Preferably, the positioning region includes being arranged in a mutually vertical manner and opposite wall surface while leaning with the workpiece for measurement
The first block and the second block, first block and the second block are fixedly connected with the slide.
Preferably, block length direction is provided with protrusion respectively on first block and the opposite wall surface of the second block
In the blend stop of block wall surface, two blend stops are arranged in a mutually vertical manner to position to the workpiece for measurement.
Preferably, the bottom base plate, which is equipped with, makes the supporting rib of the inclined placement of bottom plate so that the workpiece for measurement is by gravity
Effect is resisted against on first block and the second block.
Preferably, the bottom plate is equipped with and is slidably matched with the slide to limit the sliding slot of the slide sliding path,
Angle between the telescopic direction of the gauge head of the sliding slot and the amesdial is β, and tan β is 0.5.
Preferably, the detector for outer diameter error measuring device include with sliding slot scale disposed in parallel, can on the slide
Slidably it is provided with the pointer for being perpendicularly oriented to the scale.
Preferably, the detector for outer diameter error measuring device includes the regulating part for driving the sliding unit movement, the adjusting
Part includes handle, handle set and Mobile base, and the handle sequentially passes through the handle set and Mobile base, and the handle set is fixed on
On the bottom plate, the handle is threadably secured with the Mobile base and connect, and the handle and the handle set pass through bearing
Rotation connection, the Mobile base are fixedly connected with the slide, by rotating described in the drive of Mobile base described in the handle drives
Slide is slided.
Preferably, the support strip for placing the workpiece for measurement is fixed on the bottom plate.
Preferably, the dial gage base of the gauge head for passing through the amesdial is fixed on the bottom plate.
Through the above technical solutions, the utility model proposes the detector for outer diameter error surveys that a kind of specific aim is suitable for round piece
Device is measured, when measurement, is moved to standard sample with the gauge head of amesdial against carrying out school to amesdial along particular path
Standard then compresses the gauge head of amesdial, standard sample is removed, workpiece for measurement is placed on positioning to determine the position of positioning region
In portion, release gauge head is resisted against gauge head on workpiece for measurement under the effect of elasticity, is obtained by observing the scale of amesdial
To the detector for outer diameter error of round piece, to realize whether detection round piece meets the purpose of production required precision.This is practical new
Type measurement accuracy is high, and it is convenient to examine, and suitable for the Workpiece inspection of batch production, and is able to satisfy the use of different specification size workpiece
It is required that.
Detailed description of the invention
Fig. 1 is a kind of top view one of the detector for outer diameter error measuring device of embodiment of the utility model；
Fig. 2 is the top view two of the detector for outer diameter error measuring device of Fig. 1；
Fig. 3 is the face upwarding stereogram of the detector for outer diameter error measuring device of Fig. 1.
Description of symbols
1-bottom plate, 2-scales, 3-pointers, 4-slides, 5-handles, 6-handle sets, 7-Mobile bases, 8-first gear
Block, the 9-the second block, 10-support strips, 11-blend stops, 12-dial gage bases, 13-sliding slots, 14-supporting ribs, 15-gauge heads,
16-handles, 17-workpiece.
Specific embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
In conjunction with Fig. 1, Fig. 2, a kind of detector for outer diameter error measuring device, including bottom plate 1, for measuring 17 detector for outer diameter error of workpiece for measurement
Amesdial and the sliding unit that moves along a straight line of the driving workpiece for measurement 17, the amesdial be fixed at the bottom
On plate 1, the sliding unit is slidably arranged on the bottom plate 1, and the sliding unit includes for the workpiece for measurement 17
The positioning region positioned, the gauge head 15 of the amesdial with the workpiece for measurement 17 for leaning, the survey of the amesdial
The tangent value of angle between first 15 telescopic direction and the moving direction of the positioning region is 0.5.
Since the application is primarily directed to the outside diameter measuring of round piece, it need to guarantee described in measurement process thousand points
The gauge head 15 of table is directed at the diameter of workpiece for measurement, before use, installation diagram when whole device is according to Machine Design completes assembly, from
And determine the initial position of amesdial and positioning region, and after guaranteeing that positioning region positions workpiece for measurement 17,15 energy of gauge head of amesdial
Enough be just aligned the diameter of workpiece for measurement 17, and it is subsequent during no longer change the position of amesdial, simply by squeeze, release
The gauge head 15 of amesdial come complete correction, measurement.
When to guarantee to measure the workpiece for measurement 17 of different-diameter, the gauge head 15 of amesdial is directed at the straight of workpiece for measurement 17 always
Diameter in present embodiment, is defined the moving direction of sliding unit, i.e., the telescopic direction of the gauge head 15 of the described amesdial
The tangent value of angle between the moving direction of the positioning region is 0.5.
The determination reason of the moving direction of the positioning region is explained below:
According to foregoing description, initially after the assembly is completed, the initial position of amesdial and sliding unit is it has been determined that subsequent mistake
The position of amesdial no longer changes in journey, and sliding unit will also be moved since initial position according to workpiece for measurement diameter change
To push workpiece for measurement 17 and the gauge head 15 of the amesdial to lean.
Since the position of amesdial has determined, it is assumed that 15 position of gauge head of amesdial is constant, replaces different-diameter size
Workpiece for measurement 17 be resisted against the gauge head 15 of the amesdial, and guarantee the diameter for being oriented to workpiece for measurement 17 of gauge head 15, it is complete
Measurement process is simulated entirely.Further, in present embodiment, workpiece for measurement 17 is determined using orthogonal positioning region
Position, workpiece for measurement 17 are resisted against the inside of positioning region, straight to above-mentioned several differences for being resisted against gauge head 15 respectively using positioning region
The workpiece for measurement 17 of diameter size is positioned, and is then connected to the positioning region in above-mentioned several 17 outsides of different-diameter workpiece for measurement
Together, it may thereby determine that the moving direction of positioning region, can find, in the case that 15 position of gauge head is constant, for different straight
If guaranteeing for the workpiece for measurement 17 of diameter size, gauge head 15 is oriented to diameter always, and positioning region moves in the horizontal direction a unit
When vertical direction will mobile two units, therefore the telescopic direction of the gauge head 15 of the positioning region moving direction and the amesdial
Between angle tangent value be 0.5.
Positioning region voltuntary movement on the moving direction as a result, can guarantee the gauge head 15 of workpiece for measurement 17 with amesdial
Against when, the diameter for being oriented to workpiece for measurement 17 of gauge head 15.
Certainly, for convenience of operating, the above process is preferably completed on drawing, during actual use, positioning region only has one
A, the structure type of positioning region is also not necessarily limited to above-mentioned orthogonal structure, can use the form of any suitable, only need to meet
Workpiece for measurement 17 can be positioned and drive it mobile on the bottom plate 1.
Amesdial uses structure common in the art, specifically includes handle 16, gauge head 15, when squeeze grip 16, surveys
First 15 meeting be compressed to be got back completely, and when unclamping handle 16, gauge head 15 can set back under the effect of elasticity, when gauge head 15 is located at
When in situ, the numerical value on amesdial is 0, just starts to show numerical value on amesdial after gauge head 15 is compressed.
It when measurement, needs to be calibrated first, standard sample is placed on positioning region, standard sample is driven by positioning region
The gauge head 15 of standard sample and amesdial is moved to against continuing thereafter with running fix portion makes standard sample to survey along moving direction
First 15 are compressed, until showing that numerical value is mid-scale on amesdial, are stopped movement, are determined the position of positioning region.
It is understood that selecting amesdial to show that numerical value is mid-scale as benchmark herein, mainly due to convenient
The purpose of measurement, amesdial shows that it is how many or how many less than mid-scale that numerical value is greater than mid-scale, makees in subsequent measurement process
It certainly, is actually used for the positive negative value of error of workpiece accuracy so that positive and negative deviation range can reach maximum when subsequent measurement workpiece
In be also adjustable to meet need suitable scale as benchmark.
Behind the position for determining positioning region, the position for being held in position portion is motionless, and compression gauge head 15 takes standard sample away, will be to
It surveys workpiece 17 to be placed on positioning region, release gauge head 15 is brought to abutment against on workpiece for measurement 17, observes show value on amesdial, should
Difference between show value and a reference value such as mid-scale is the detector for outer diameter error of workpiece for measurement 17.
During actual measurement, the standard sample of respective diameters is chosen according to 17 diameter difference of workpiece for measurement, due to
Workpiece can inevitably have error in process of production, and therefore, the utility model is intended to measure the diameter of work after the completion of production and misses
Whether difference meets the requirement of production precision.And the utility model measurement accuracy is high, it is convenient to examine, the workpiece suitable for batch production
It examines, and is able to satisfy the requirement of different specification size workpiece.
Further, the movement of the positioning region is realized for convenience, and the sliding unit further includes driving the positioning region
The slide 4 slided on the bottom plate 1, so as to drive the positioning region to be moved by the slide 4 sliding.
Wherein, positioning region can use the structure of any suitable, such as can be along the circumferential setting of workpiece for measurement 17 to treat
It surveys workpiece 17 to be positioned, still, for saving material, designing the considerations of the purpose of facilitating, as one such embodiment party
Formula, the positioning region include being arranged in a mutually vertical manner and opposite wall surface while the first block for leaning with the workpiece for measurement 17
8 and second block 9, first block 8 and the second block 9 are fixedly connected with the slide 4.
Due to determining that the position of positioning region is even more important in the calibration process before measurement, in present embodiment, positioning region packet
The first block 8 and the second block 9 are included, is connecing between face and face when standard sample or workpiece for measurement 17 are resisted against on block
Touching, may impact the precision in calibration or measurement process, therefore, for the precision for further increasing measurement, described the
The blend stop 11 for protruding from block wall surface is provided with along block length direction respectively on one block 8 and the opposite wall surface of the second block 9,
Two blend stops 11 are arranged in a mutually vertical manner to position to the workpiece for measurement 17.Standard sample or workpiece for measurement as a result,
The contact being equivalent between 17 and blend stop 11 between face and line, so as to effectively improve the precision of calibration or measurement process.
As shown in figure 3, workpiece for measurement 17 is resisted against on positioning region and can be described with positioning region synchronizing moving for convenience
1 bottom of bottom plate is equipped with the supporting rib 14 for making the inclined placement of bottom plate 1, so that the bottom plate 1 is horizontal by a tilt angle
α, the workpiece for measurement 17 is just resisted against on first block 8 and the second block 9 by gravity as a result,.
For the sliding for realizing slide 4 and positioning region, the bottom plate 1 is equipped with and is slidably matched with the slide 4 to limit
State the sliding slot 13 of 4 sliding path of slide, it is possible to understand that ground, since positioning region is fixed on slide 4, the sliding road of slide 4
Diameter is the moving direction of positioning region, therefore, the folder between the telescopic direction of the gauge head 15 of the sliding slot 13 and the amesdial
Angle is β, and tan β is 0.5.
It should be noted that the utility model detector for outer diameter error measuring device also acts as the diameter of measurement workpiece for measurement 17,
Specifically, the detector for outer diameter error measuring device include with the sliding slot 13 scale 2 disposed in parallel, can slide on the slide 4
It is provided with the pointer 3 for being perpendicularly oriented to the scale 2 dynamicly.
The diameter of tentative standard sample block is 20mm, and the specific diameter method that measures is that standard sample is taken to determine positioning region
It behind position, keeps the position of slide 4 constant, pointer 3 is slid into the position for being directed toward 20mm on scale 2, be further continued for measurement outer diameter
Error, the sum of error that scale 2 and amesdial measure are the diameter of workpiece for measurement 17.Certainly, the scale model on the scale 2
Enclose can self-setting as needed, herein with no restriction.
Wherein, the movement of the sliding unit can be realized directly by manual moving sliding base 4；Alternatively, passing through other
Suitable configurations drive slide 4 to realize.In present embodiment, the detector for outer diameter error measuring device includes driving the sliding unit
The regulating part of movement, the regulating part include handle 5, handle set 6 and Mobile base 7, and the handle 5 sequentially passes through the handle set
6 and Mobile base 7, the handle set 6 be fixed on the bottom plate 1, the handle 5 and 7 company of being threadably secured of Mobile base
It connects, the handle 5 is rotatablely connected with the handle set 6 by bearing, and the Mobile base 7 is fixedly connected with the slide 4.By
This, can be driven the movement of the Mobile base 7 by rotating the handle 5, so push the slide 4 along the sliding slot 13 into
Row sliding.
For the ease of machining, the support strip 10 for placing the workpiece for measurement 17 is fixed on the bottom plate 1.
In use process, the standard sample and the workpiece for measurement 17 are both placed in the support strip 10.
In addition, the positioning in order to assist amesdial, the gauge head for passing through the amesdial is fixed on the bottom plate 1
15 dial gage base 12.
The specific course of work of the utility model are as follows:
S1, calibration.First according to the standard sample of 17 size selection corresponding size of workpiece for measurement, standard sample is placed on
In support strip 10, and on the blend stop 11 being resisted against on first block 8 and the second block 9, subsequent rotating handle 5 pushes described
Slide 4 is slided along the sliding slot 13, so that first block 8 pushes standard sample is synchronous to move with the second block 9
It is dynamic, gauge head 15 is compressed when being pushed to standard sample, when so that showing that numerical value is mid-scale on amesdial, is stopped rotating
Handle 5 keeps the position of the slide 4, the first block 8 and the second block 9 constant.
At this point, if desired measuring the integral diameter of workpiece for measurement 17, then needs to slide into pointer 3 on scale 2 and correspond to scale
Position.
S2, measurement.The handle 16 of amesdial is pressed, gauge head 15 is withdrawn by compression, takes standard sample away to facilitate, with
Workpiece for measurement 17 is resisted against on first block 8 and the second block 9 afterwards, unclamps handle 16, gauge head 15 is under the effect of elasticity
It discharges and is resisted against on workpiece for measurement 17, observe how much show value on amesdial deviates mid-scale, the show value and intermediate quarter
Positive negative difference between degree is the detector for outer diameter error of workpiece for measurement 17, and the sum of the error amount and 2 high scale of scale are as to be measured
The actual diameter of workpiece 17.
When measuring to the workpiece for measurement 17 of different-diameter size, school need to be carried out using the standard sample of correspondingly-sized
Standard, due to being defined in the utility model to the moving direction of positioning region, that is, first block 8 and the second block 9, because
This, no matter the diameter of workpiece for measurement 17, in measurement process, the direction of gauge head 15 is diameter of work, to effectively avoid
Measurement error.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail in conjunction with attached drawing above
In this.In the range of the technology design of the utility model, a variety of simple variants can be carried out to the technical solution of the utility model,
It is combined in any suitable manner including each particular technique feature, in order to avoid unnecessary repetition, the utility model
To various combinations of possible ways, no further explanation will be given.But these simple variants and combination equally should be considered as the utility model institute
Disclosure belongs to the protection scope of the utility model.
Claims (10)
1. a kind of detector for outer diameter error measuring device, which is characterized in that missed including bottom plate (1), for measuring workpiece for measurement (17) outer diameter
The sliding unit that the amesdial of difference and the driving workpiece for measurement (17) move along a straight line, the amesdial are fixed at institute
State on bottom plate (1), the sliding unit is slidably arranged on the bottom plate (1), the sliding unit include for it is described to
The positioning region that workpiece (17) are positioned is surveyed, the gauge head (15) of the amesdial is used to lean with the workpiece for measurement (17),
The tangent value of angle between the telescopic direction of gauge head (15) and the moving direction of the positioning region of the amesdial is 0.5.
2. detector for outer diameter error measuring device according to claim 1, which is characterized in that the sliding unit further includes driving institute
State the slide (4) slided on the bottom plate (1) positioning region.
3. detector for outer diameter error measuring device according to claim 2, which is characterized in that the positioning region includes being mutually perpendicular to set
It sets and opposite wall surface while the first block (8) and the second block (9) that lean with the workpiece for measurement (17), described first
Block (8) and the second block (9) are fixedly connected with the slide (4).
4. detector for outer diameter error measuring device according to claim 3, which is characterized in that first block (8) and second gear
It is provided with the blend stop (11) for protruding from block wall surface, two gears on the opposite wall surface of block (9) along block length direction respectively
Item (11) is arranged in a mutually vertical manner to position to the workpiece for measurement (17).
5. detector for outer diameter error measuring device according to claim 3, which is characterized in that bottom plate (1) bottom, which is equipped with, makes bottom
The supporting rib (14) of plate (1) inclined placement is resisted against first block by gravity so as to the workpiece for measurement (17)
(8) and on the second block (9).
6. detector for outer diameter error measuring device according to claim 2, which is characterized in that the bottom plate (1) be equipped with it is described
Slide (4) is slidably matched to limit the sliding slot (13) of the slide (4) sliding path, the sliding slot (13) and the amesdial
Angle between the telescopic direction of gauge head (15) is β, and tan β is 0.5.
7. detector for outer diameter error measuring device according to claim 6, which is characterized in that the detector for outer diameter error measuring device includes
With the sliding slot (13) scale disposed in parallel (2), it is slidably provided on the slide (4) and is perpendicularly oriented to the scale
(2) pointer (3).
8. detector for outer diameter error measuring device according to claim 2, which is characterized in that the detector for outer diameter error measuring device includes
Drive the regulating part of sliding unit movement, the regulating part includes handle (5), handle set (6) and Mobile base (7), described
Handle (5) sequentially passes through the handle set (6) and Mobile base (7), and the handle set (6) is fixed on the bottom plate (1), described
Handle (5) is threadably secured with the Mobile base (7) and connect, and the handle (5) and the handle set (6) are rotated by bearing
Connection, the Mobile base (7) are fixedly connected with the slide (4), drive the Mobile base (7) by rotating the handle (5)
The slide (4) is driven to be slided.
9. detector for outer diameter error measuring device according to claim 1, which is characterized in that be fixed with use on the bottom plate (1)
In the support strip (10) for placing the workpiece for measurement (17).
10. detector for outer diameter error measuring device described in any one of -9 according to claim 1, which is characterized in that the bottom plate (1)
On be fixed with for pass through the amesdial gauge head (15) dial gage base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210266.9U CN208366250U (en) | 2018-07-27 | 2018-07-27 | Detector for outer diameter error measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821210266.9U CN208366250U (en) | 2018-07-27 | 2018-07-27 | Detector for outer diameter error measuring device |
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| Publication Number | Publication Date |
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| CN208366250U true CN208366250U (en) | 2019-01-11 |
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ID=64923797
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821210266.9U Active CN208366250U (en) | 2018-07-27 | 2018-07-27 | Detector for outer diameter error measuring device |
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| CN (1) | CN208366250U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307022A (en) * | 2020-03-10 | 2020-06-19 | 南通冠亚机械科技有限公司 | Odd-number tooth-shaped screw outer diameter measuring meter for air compressor |
| CN111692950A (en) * | 2020-07-27 | 2020-09-22 | 广州大学 | Device and method for measuring outer diameter of thin-wall bearing ring |
| CN111928808A (en) * | 2020-07-01 | 2020-11-13 | 宁波市镇海建业轴承有限公司 | Deep groove ball bearing diameter measuring device and method |
| CN112414252A (en) * | 2020-11-19 | 2021-02-26 | 江苏理工学院 | Device and method for quickly detecting quality of cylindrical products produced in batch |
| CN113108668A (en) * | 2021-05-25 | 2021-07-13 | 苏州铁近机电科技股份有限公司 | Diameter measuring meter |
| CN113124731A (en) * | 2021-05-20 | 2021-07-16 | 苏州铁近机电科技股份有限公司 | Bearing outer ring outer chamfer angle measuring instrument |
| CN113607027A (en) * | 2021-07-08 | 2021-11-05 | 浙江铭振电子股份有限公司 | Outer diameter measuring equipment of motor end cover |
| CN114322711A (en) * | 2021-12-21 | 2022-04-12 | 中国航发中传机械有限公司 | Device and method for detecting outer diameter of joint bearing |
-
2018
- 2018-07-27 CN CN201821210266.9U patent/CN208366250U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111307022A (en) * | 2020-03-10 | 2020-06-19 | 南通冠亚机械科技有限公司 | Odd-number tooth-shaped screw outer diameter measuring meter for air compressor |
| CN111928808A (en) * | 2020-07-01 | 2020-11-13 | 宁波市镇海建业轴承有限公司 | Deep groove ball bearing diameter measuring device and method |
| CN111928808B (en) * | 2020-07-01 | 2021-11-16 | 宁波市镇海建业轴承有限公司 | Deep groove ball bearing diameter measuring device and method |
| CN111692950A (en) * | 2020-07-27 | 2020-09-22 | 广州大学 | Device and method for measuring outer diameter of thin-wall bearing ring |
| CN112414252A (en) * | 2020-11-19 | 2021-02-26 | 江苏理工学院 | Device and method for quickly detecting quality of cylindrical products produced in batch |
| CN113124731A (en) * | 2021-05-20 | 2021-07-16 | 苏州铁近机电科技股份有限公司 | Bearing outer ring outer chamfer angle measuring instrument |
| CN113108668A (en) * | 2021-05-25 | 2021-07-13 | 苏州铁近机电科技股份有限公司 | Diameter measuring meter |
| CN113607027A (en) * | 2021-07-08 | 2021-11-05 | 浙江铭振电子股份有限公司 | Outer diameter measuring equipment of motor end cover |
| CN114322711A (en) * | 2021-12-21 | 2022-04-12 | 中国航发中传机械有限公司 | Device and method for detecting outer diameter of joint bearing |
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Effective date of registration: 20191212 Granted publication date: 20190111 |
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Effective date of registration: 20200911 Address after: 050035 No. 9, the Yellow River Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee after: DONGXU OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: No. 369, Pearl River Avenue, Shijiazhuang high tech Zone, Hebei Province Patentee before: TUNGHSU GROUP Co.,Ltd. |