CN110057275A - A kind of detection method of part machined surface profile - Google Patents
A kind of detection method of part machined surface profile Download PDFInfo
- Publication number
- CN110057275A CN110057275A CN201810051924.2A CN201810051924A CN110057275A CN 110057275 A CN110057275 A CN 110057275A CN 201810051924 A CN201810051924 A CN 201810051924A CN 110057275 A CN110057275 A CN 110057275A
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- pedestal
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- 238000001514 detection method Methods 0.000 title claims abstract description 72
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000013011 mating Effects 0.000 claims abstract description 44
- 238000013461 design Methods 0.000 claims abstract description 14
- 238000009434 installation Methods 0.000 claims description 9
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000012372 quality testing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
-
- 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
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The present invention relates to quality testing fields, and in particular to a kind of detection method of part machined surface profile.This detection method is using detection fixture, and detection fixture includes pedestal and fixture block, and pedestal is connected with fixture block and forms holding chamber；There is the first mating surface, the first mating surface is adapted to a type face of part in design standard on pedestal；Holding chamber is for accommodating part to be detected；Detection method includes the following steps: part to be detected is placed in holding chamber by S1., and cooperates the type face of part to be detected and the first mating surface on pedestal；S2. clearance gauge is filled among the type face and the first mating surface of part to be detected.Detection method provided by the invention, so as to avoid human factor to the adverse effect of testing result, in addition, the operating process of this detection method is simple, is conducive to the Surface inspection for rapidly realizing part volume without finding datum mark on part.
Description
Technical field
The present invention relates to quality testing fields, the especially a kind of detection method in part type face.
Background technique
The type face of part makes the surface that Forming Quality is more demanding on nulling part, and whether the profile in type face meets the requirements relationship
The processing quality of part whether reach standard.Part after processing is completed, need to detect the machined surface profile of part, with
Whether verifying part machined surface profile meets design standard.Especially there is the part type face of aerodynamic configuration, this kind of part is mostly bent
There are many rate variation, uneven thickness, due to there is aerodynamic configuration, type face required very high.In the prior art, to the type of part
The detection mode of facial contour is by extraneous device, such as measurement arm mostly, and the detection of these equipment needs to position base on part
On schedule, it is fitted according to the point on type face with equipment datum mark, the program in the type face or operation extracted further according to equipment is sentenced
Whether the profile in disconnected type face meets design standard.In this detection process, the positioning of datum mark is particularly significant, and datum mark is determined
Position inaccuracy, will lead to testing result and deviation occurs.And the personnel operated every time are different, operating habit is different, and environment changes, base
On schedule all different, the repeatability of operation is very low, and the reliability and stability of detection are low.And cost of equipment is high, operation
Complexity, needs program or extraction type face to complete detection in conjunction with the datum mark of selection, and process is complicated.
Summary of the invention
Goal of the invention of the invention is: in view of the problems of the existing technology, providing a kind of inspection of part machined surface profile
Survey method.
To achieve the goals above, the technical solution adopted by the present invention are as follows:
A kind of detection method of part machined surface profile, using detection fixture, detection fixture includes pedestal and fixture block, pedestal with
Fixture block is connected and forms holding chamber；There is the first mating surface, a type of part in the first mating surface and design standard on pedestal
Face adaptation；Holding chamber is for accommodating part to be detected；
Detection method includes the following steps:
S1. part to be detected is placed in holding chamber, and the type face for making part to be detected and the first mating surface on pedestal
Cooperation；
S2. clearance gauge is filled among the type face and the first mating surface of part to be detected.
By above-mentioned detection method, since the first mating surface is adapted to the design standard of part, examined by clearance gauge
Survey the gap between top collar and the first mating surface, it can learn the type face of part if appropriate for design standard.Pass through this inspection
Survey method, without finding datum mark on part, so as to avoid human factor to the adverse effect of testing result, in addition,
The operating process of this detection method is simple, is conducive to the Surface inspection for rapidly realizing part volume.
As a preferred solution of the present invention, in step s 2, clearance gauge has first state and the second state；
In the first state, clearance gauge can pass through holding chamber, determine that part type face is unqualified；
In the second condition, clearance gauge cannot pass through holding chamber, determine that part type face is qualified.
As a preferred solution of the present invention, in step sl, make the edge of part to be detected and the edge of the first mating surface
Alignment.
It is aligned the edge of part to be detected and the edge of the first mating surface, helps to make the type face of part to be detected and the
One mating surface
As a preferred solution of the present invention, fixture block is detachably connected with pedestal；
In step sl, part to be detected is placed in holding chamber, comprising:
S101. part to be detected is placed on pedestal；
S102. fixture block is made to be connected with pedestal.
Fixture block is detachably connected with pedestal, can be convenient for for part to be detected being mounted in holding chamber.
As a preferred solution of the present invention, detection fixture further includes snap-gauge, and snap-gauge is detachably connected with pedestal；On snap-gauge
Equipped with the second mating surface, the second mating surface is adapted to another type face of part in design standard；
After step S2, detection method is further comprising the steps of:
S3., snap-gauge is installed, another positive of the second mating surface and part on snap-gauge is made；
S4. clearance gauge is filled among the type face and the second mating surface of part to be detected.
It is additionally provided with snap-gauge in detection instrument, the second mating surface is set on snap-gauge.For having more than two types face
Part realizes the detection in different shaped face by the cooperation of snap-gauge and pedestal.
As a preferred solution of the present invention, detection fixture further includes mounting base, and pedestal is connected with snap-gauge by mounting base；
In step s3, snap-gauge is installed, comprising:
S301. mounting base is mounted on the base, snap-gauge is made to be connected with mounting base.
Specifically, snap-gauge is connected with pedestal by mounting base.For pedestal of different shapes, snap-gauge and bottom can be realized
Seat is connected.Since the first mating surface on pedestal needs to be adapted to the type face of part in design standard, if on this basis, also
The position of snap-gauge connection is set on pedestal, then the difficulty of processing of pedestal is larger, is also easily damaged the first mating surface.Cause
This, using above-mentioned design, when processing the detection fixture, it is thus only necessary to which the installation for being connected with mounting base is set on pedestal
Hole.The requirement on machining accuracy of mounting base is lower than pedestal, therefore can individually process, to advantageously reduce adding for detection fixture
Work difficulty.
As a preferred solution of the present invention, mounting base includes bottom plate, the first vertical plate and the second vertical plate；First vertical plate and second
Vertical plate is oppositely arranged, and the first vertical plate is connected with bottom plate, and the second vertical plate is connected with bottom plate, is formed between the first vertical plate and the second vertical plate
Installation space for being connect with snap-gauge.
Specifically, mounting base is designed using above-mentioned structure, it is ensured that the stable connection of snap-gauge and mounting base, to mention
The reliability of high detection result.
As a preferred solution of the present invention, the first vertical plate is connected at an acute angle between bottom plate, is between the second vertical plate and bottom plate
Acute angle is connected.
For the part of different structure, the extending direction at type face edge is possible to different, this brings the installation of snap-gauge
Difficulty, may cause the inclination of snap-gauge.For such part, in different edge extending direction design mounting bases
The angle of vertical plate and bottom plate helps to ensure that cooperation is realized in the type face of the second mating surface and part on snap-gauge.
As a preferred solution of the present invention, the quantity of snap-gauge is at least two.
The common work of the second mating surface on each snap-gauge is passed through using at least two snap-gauges for the part of Varying-thickness
With realization detection.To be conducive to improve the scope of application of the detection fixture.
As a preferred solution of the present invention, pedestal is equipped with through-hole.
Through-hole is set on pedestal, the weight of pedestal can either be reduced, and convenient for picking up detection fixture when detecting, improves behaviour
The convenience of work.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The detection of parts profile is realized by above-mentioned detection method, in operation, is not necessarily to positioning datum point, thus
Be conducive to reduce detection error；In addition, the detection of part machined surface profile can be realized it is only necessary to fill in clearance gauge, with existing skill
Art is compared, and is operated more convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the detection fixture that the embodiment of the present invention 1 provides.
Fig. 2 is structural schematic diagram of the detection fixture of the offer of the embodiment of the present invention 1 under another visual angle.
Fig. 3 is the structural schematic diagram for the pedestal that the embodiment of the present invention 1 provides.
Fig. 4 is the structural schematic diagram for the fixture block that the embodiment of the present invention 1 provides.
Fig. 5 is the structural schematic diagram for the mounting base that the embodiment of the present invention 1 provides.
Fig. 6 is the structural schematic diagram for the snap-gauge that the embodiment of the present invention 1 provides.
Fig. 7 is the structural schematic diagram of the part to be detected in the embodiment of the present invention 1.
Fig. 8 is the structural schematic diagram for the pedestal that the embodiment of the present invention 2 provides.
Icon: 1- detects fixture；11- pedestal；12- fixture block；13- snap-gauge；14- mounting base；15- holding chamber；112- first
Mounting surface；The second mounting surface of 114-；1142- mounting hole；The first fixed-wing of 121-；The second fixed-wing of 122-；123- first is pressed
Portion；142- bottom plate；The first vertical plate of 144-；The second vertical plate of 146-；148- installation space；131- first installs the wing；132- second pacifies
Fill the wing；The second nip portion of 133-；2- part to be detected；22- inner mold face；21- outer mold surface；23- first side；24- second side；
The first plane of 234-；The second plane of 232-；116- through-hole.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment
Fig. 1 is please referred to Fig. 7.The embodiment of the invention provides a kind of detection method of part machined surface profile, this detections
Method is carried out using detection fixture 1.
Detecting fixture 1 includes pedestal 11 and fixture block 12, and pedestal 11 is connected with fixture block 12 and forms holding chamber 15；On pedestal 11
With the first mating surface, the first mating surface is adapted to the type face of part in design standard；Holding chamber 15 is for accommodating to be detected zero
Part 2.
Preferably, pedestal 11 is detachably connected with fixture block 12.
Preferably, the quantity of fixture block 12 is at least two, and one of fixture block 12 is connected with 11 one end of pedestal, another folder
Chamber 15 is held to be connected with 11 other end of pedestal.Specifically, the quantity of fixture block 12 is two in the present embodiment.
Further, fixture block 12 includes the first fixed-wing 121, the second fixed-wing 122 and the first nip portion 123.Pedestal 11
It is upper that there is the first mounting surface 112 and the second mounting surface 114.First fixed-wing 121 is detachably connected with the first mounting surface 112, the
Two fixed-wings 122 are detachably connected with the second mounting surface 114.First nip portion 123 is for clamping part 2 to be detected.
Further, the first mounting surface 112 and the second mounting surface 114 are equipped with multiple mounting holes 1142.
Preferably, detection fixture 1 further includes snap-gauge 13, and snap-gauge 13 is detachably connected with pedestal 11；Snap-gauge 13 is equipped with
Second mating surface, the second mating surface are adapted to the type face of part in design standard.
Further, snap-gauge 13 includes that the first installation wing 131, second installs the wing 132 and the second nip portion 133.First peace
The dress wing 131 is used for and is connected on the first mounting surface 112, and the second installation wing 132 with the second mounting surface 114 for being connected.Second pressure
Conjunction portion 133 is used to cooperate with part 2 to be detected.Second mating surface is set in the second nip portion 133.
Preferably, detection fixture 1 further includes mounting base 14, and snap-gauge 13 is connected with pedestal 11 by mounting base 14.
Preferably, mounting base 14 includes bottom plate 142, the first vertical plate 144 and the second vertical plate 146；First vertical plate 144 and second
Vertical plate 146 is oppositely arranged, and the first vertical plate 144 is connected with bottom plate 142, and the second vertical plate 146 is connected with bottom plate 142, the first vertical plate 144
The installation space 148 for connecting with snap-gauge 13 is formed between the second vertical plate 146.
Preferably, the first vertical plate 144 is connected at an acute angle between bottom plate 142, in sharp between the second vertical plate 146 and bottom plate 142
Angle is connected.Further, in a detection fixture 1, it may include multiple and different mounting bases 14, in each mounting base 14
Angle between first vertical plate 144, the second vertical plate 146 and bottom plate 142 can be different.
Preferably, the quantity of snap-gauge 13 is at least two.Specifically, in the present embodiment, the quantity of snap-gauge 13 is three.
It is provided by the invention that detection method includes the following steps:
S1. part to be detected is placed in holding chamber, and the type face for making part to be detected and the first mating surface on pedestal
Cooperation；
S2. clearance gauge is filled among the type face and the first mating surface of part to be detected；
S3., the snap-gauge is installed, another type face of second mating surface and the part on the snap-gauge is matched
It closes；
S4. clearance gauge is filled among the type face and the second mating surface of part to be detected.
In step sl, part to be detected is placed in holding chamber, comprising:
S101. part to be detected is placed on pedestal；
S102. fixture block is made to be connected with pedestal.
In step s 2, clearance gauge has first state and the second state；
In the first state, clearance gauge can pass through holding chamber, determine that part type face is unqualified；
In the second condition, clearance gauge cannot pass through holding chamber, determine that part type face is qualified.
In step s3, snap-gauge is installed, comprising:
S301. mounting base is mounted on the base, snap-gauge is made to be connected with the mounting base.
Below be illustrated to the detection method by an example.
Referring to Fig. 7, the detection fixture 1 provided through this embodiment detects part 2 to be detected.
Part 2 to be detected is the shell structure of Varying-thickness, has inner mold face 22, outer mold surface 21, first side 23 and second
Side 24.There is the first plane 234 and the second plane 232, the first plane 234 and the second plane 232 are in folder in first side 23
Angle it is arranged.
When being detected to part 2 to be detected, successively follow the steps below:
Cooperate the outer mold surface 21 of part 2 to be detected and the first mating surface on pedestal 11；
Make the true edge of part 2 to be detected and detects being close on one side for fixture 1；
Fixture block is installed, is located at part 2 to be detected in holding chamber 15；
It is inserted into clearance gauge between outer mold surface 21 and the first mating surface, to detect the profile of outer mold surface 21；
Snap-gauge 13 is installed, during installation, the first vertical plate 144 connects with the mounting base 14 at an acute angle being connected of bottom plate 142
It is connected to the region being located near the first plane 234 on pedestal 11；It is located at 24th area of the second plane 232 and second side on the pedestal 11
The first vertical plate 144 mounting base 14 vertical with bottom plate 142 is arranged in domain, so that the second mating surface on each snap-gauge 13 can be with
Inner mold face 22 cooperates；
It is inserted into clearance gauge between inner mold face 22 and the second mating surface, to detect the profile in inner mold face 22.
When detecting the profile in inner mold face 22, if clearance gauge can pass through entire holding chamber 15, the wheel in inner mold face 22 is determined
It is wide unqualified, if clearance gauge can not pass through entire holding chamber 15, determine that the profile in inner mold face 22 is qualified.
Specifically, the size of each snap-gauge 13 is different, to correspond to the region of different-thickness on part 2 to be detected.
Further, multiple through-holes 116 can also be set on pedestal 11, convenient for holding detection fixture 1 in the detection process,
Improve the convenience of operation.
Detection method provided in this embodiment has the advantages that
1. realize that the detection of parts profile is not necessarily to positioning datum point in operation by above-mentioned detection fixture 1,
To be conducive to exempt the influence of human factor, reduce detection error, repeatability is high；In addition, it is only necessary to fill in clearance gauge, i.e.,
The detection of part machined surface profile can be achieved, compared with prior art, operation is more convenient, can simple and quick realization mass zero
Cost is saved in the detection of part, shortens the period；
2. being detachably connected pedestal 11 with fixture block 12, can either have convenient for part to be installed in holding chamber 15
It is detected conducive to for similar part；
3. being detachably connected between mounting base 14, pedestal 11, snap-gauge 13, the difficult processing of detection fixture 1 is advantageously reduced
Degree.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of detection method of part machined surface profile, which is characterized in that using detection fixture, the detection fixture includes pedestal
And fixture block, the pedestal are connected with the fixture block and form holding chamber；
There is the first mating surface, first mating surface is adapted to a type face of part in design standard on the pedestal；
The holding chamber is for accommodating part to be detected；
It is described that detection method includes the following steps:
S1. part to be detected is placed in holding chamber, and cooperates the type face of part to be detected and the first mating surface on pedestal；
S2. clearance gauge is filled among the type face and the first mating surface of part to be detected.
2. detection method according to claim 1, which is characterized in that in the step S2, clearance gauge has first state
With the second state；
In the first state, clearance gauge can pass through holding chamber, determine that part type face is unqualified；
In the second condition, clearance gauge cannot pass through holding chamber, determine that part type face is qualified.
3. detection method according to claim 1, which is characterized in that in the step S1, make the side of part to be detected
Edge is aligned with the edge of the first mating surface.
4. detection method according to claim 1, which is characterized in that the fixture block is detachably connected with the pedestal；
It is in the step S1, described that part to be detected is placed in holding chamber, comprising:
S101. part to be detected is placed on pedestal；
S102. the fixture block is made to be connected with the pedestal.
5. detection method according to claim 1, which is characterized in that the detection fixture further includes snap-gauge, the snap-gauge
It is detachably connected with the pedestal；
The snap-gauge is equipped with the second mating surface, and second mating surface is adapted to another type face of part in design standard；
After the step S2, the detection method is further comprising the steps of:
S3., the snap-gauge is installed, another positive of second mating surface and the part on the snap-gauge is made；
S4. clearance gauge is filled among the type face and the second mating surface of part to be detected.
6. detection method according to claim 5, which is characterized in that the detection fixture further includes mounting base, the bottom
Seat is connected with the snap-gauge by the mounting base；
In the step S3, the snap-gauge is installed, comprising:
S301. mounting base is mounted on the base, snap-gauge is made to be connected with the mounting base.
7. detection method according to claim 6, which is characterized in that the mounting base includes bottom plate, the first vertical plate and
Two vertical plates；
First vertical plate is oppositely arranged with second vertical plate, and first vertical plate is connected with the bottom plate, and described second is vertical
Plate is connected with the bottom plate, and the installation space for connecting with snap-gauge is formed between first vertical plate and second vertical plate.
8. detection method according to claim 7, which is characterized in that first vertical plate and phase at an acute angle between the bottom plate
Even, at an acute angle between second vertical plate and the bottom plate to be connected.
9. detection method according to claim 5, which is characterized in that the quantity of the snap-gauge is at least two.
10. detection method according to claim 1, which is characterized in that the pedestal is equipped with through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051924.2A CN110057275A (en) | 2018-01-19 | 2018-01-19 | A kind of detection method of part machined surface profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810051924.2A CN110057275A (en) | 2018-01-19 | 2018-01-19 | A kind of detection method of part machined surface profile |
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| Publication Number | Publication Date |
|---|---|
| CN110057275A true CN110057275A (en) | 2019-07-26 |
Family
ID=67315447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810051924.2A Pending CN110057275A (en) | 2018-01-19 | 2018-01-19 | A kind of detection method of part machined surface profile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057275A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501445A (en) * | 2020-06-12 | 2020-08-07 | 北京智宽轨道交通科技有限公司 | A fixture for measuring the size of a weld splint and its method |
| CN112066853A (en) * | 2020-09-14 | 2020-12-11 | 中国航发贵州黎阳航空动力有限公司 | Blade profile readable measuring method and measuring tool |
| CN112595216A (en) * | 2021-01-08 | 2021-04-02 | 西安理工大学 | Flexible detection tool for outer shape profile of water heater outer barrel |
| CN113108675A (en) * | 2021-05-21 | 2021-07-13 | 中航(成都)无人机系统股份有限公司 | Appearance detection platform of satellite communication antenna cover |
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| GB162457A (en) * | 1920-02-21 | 1921-05-05 | Holberry Mensforth | Improved device for examining or measuring the accuracy of the teeth of a hob used for gear cutting |
| CN201569401U (en) * | 2009-12-14 | 2010-09-01 | 上海众通汽车配件有限公司 | Automobile bumper energy absorbing block checking tool |
| CN201622053U (en) * | 2009-12-30 | 2010-11-03 | 上海和达汽车配件有限公司 | Detecting tool for detecting automobile safety airbag right bracket |
| CN103776345A (en) * | 2013-09-06 | 2014-05-07 | 贵州振华天通设备有限公司 | Method and device for detecting sample plate of antenna primary side precision |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB162457A (en) * | 1920-02-21 | 1921-05-05 | Holberry Mensforth | Improved device for examining or measuring the accuracy of the teeth of a hob used for gear cutting |
| CN201569401U (en) * | 2009-12-14 | 2010-09-01 | 上海众通汽车配件有限公司 | Automobile bumper energy absorbing block checking tool |
| CN201622053U (en) * | 2009-12-30 | 2010-11-03 | 上海和达汽车配件有限公司 | Detecting tool for detecting automobile safety airbag right bracket |
| CN103776345A (en) * | 2013-09-06 | 2014-05-07 | 贵州振华天通设备有限公司 | Method and device for detecting sample plate of antenna primary side precision |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501445A (en) * | 2020-06-12 | 2020-08-07 | 北京智宽轨道交通科技有限公司 | A fixture for measuring the size of a weld splint and its method |
| CN112066853A (en) * | 2020-09-14 | 2020-12-11 | 中国航发贵州黎阳航空动力有限公司 | Blade profile readable measuring method and measuring tool |
| CN112595216A (en) * | 2021-01-08 | 2021-04-02 | 西安理工大学 | Flexible detection tool for outer shape profile of water heater outer barrel |
| CN113108675A (en) * | 2021-05-21 | 2021-07-13 | 中航(成都)无人机系统股份有限公司 | Appearance detection platform of satellite communication antenna cover |
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Application publication date: 20190726 |