KR101643691B1 - steel ba11 measuring instrument for vehicle and measuring system using there of - Google Patents

steel ba11 measuring instrument for vehicle and measuring system using there of Download PDF

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Publication number
KR101643691B1
KR101643691B1 KR1020160039717A KR20160039717A KR101643691B1 KR 101643691 B1 KR101643691 B1 KR 101643691B1 KR 1020160039717 A KR1020160039717 A KR 1020160039717A KR 20160039717 A KR20160039717 A KR 20160039717A KR 101643691 B1 KR101643691 B1 KR 101643691B1
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KR
South Korea
Prior art keywords
head
engine
unit
connecting member
steel ball
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KR1020160039717A
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Korean (ko)
Inventor
도문랑
이선희
김형선
Original Assignee
주식회사 케이엠텍
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Priority to KR1020160039717A priority Critical patent/KR101643691B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/36—Sorting apparatus characterised by the means used for distribution
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/02—Articles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N2021/0162—Arrangements or apparatus for facilitating the optical investigation using microprocessors for control of a sequence of operations, e.g. test, powering, switching, processing

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)

Abstract

The present invention relates to a steel ball measuring apparatus and a measurement system using the same. More specifically, the measurement system is integrally equipped with a transportation unit which includes a conveyor for inputting and discharging an engine part, an engine checking unit which checks a model of an engine when the engine part is inputted, at least one head alignment unit installed on one side of the transportation unit to transport a measuring head of the steel ball measuring apparatus depending on types, and a defective product discharging unit installed on one side of the transportation part to discharge defective products. In addition, the measurement system is characterized in that a steel ball of a cylinder head of each type and an inner radius of an OCV processed hole are easily measured by a single system by the steel ball measuring apparatus where a three-dimensional position is automatically adjusted.

Description

[0001] The present invention relates to a steel ball measuring instrument and a measuring system using the same,

The present invention relates to an engine check part for checking the model of an engine at the time of input of an engine part, a conveying part having a conveyor for feeding and discharging engine parts, an engine check part for checking the model of the engine at the time of inputting the engine part, Wherein the three-dimensional position is automatically adjusted by the steel ball measuring device, and the inner diameter of the steel ball of the cylinder head and the inner diameter of the OCV processing hole To a single system and a measurement system using the same.

Generally, engine parts such as a cylinder head, a cylinder block, a crankshaft, a camshaft, and the like, which are main components of an engine, are manufactured and manufactured in an engine processing line of a vehicle.

In addition, the engine processing line is accompanied by an inspection process for inspecting the quality of the finished product of the engine components. In this inspection process, defects, damage, and machining omissions of the finished product of the engine components are inspected.

As a method of inspecting the completed engine work, the final quality of the finished engine work is finally inspected / confirmed through visual inspection of a dedicated device such as a vision camera, a barcode scanner, a touch probe, and the like as the last step of the engine processing line .

Inspection items of finished engine workpieces may include missing parts, binding, confirmation of mounting of different specifications, and bar code inspection.

In connection with such a technique, a conventional inspection system for an engine-processed product is disclosed in Japanese Patent No. 1416394. As shown in Fig. 1, the mount bracket 30 is fixed to each arm end of a two- And a touch probe unit 40 and a photographing unit are mounted on the mount bracket 30. The touch probe unit 40 touches the inspected parts of the inspected object in accordance with the movement of each arm, Presence of adhesion, adhesion confirmation, and level difference.

The touch probe unit 40 is formed on one side of each mount bracket 30. The touch probe unit 40 includes a fixing bracket 41 to be mounted on the mount bracket 30, A spring 49 mounted between the stationary bracket 41 and the shaft 47 and exerting an elastic force to the shaft 47 and a shaft 47 mounted between the stationary bracket 41 and the shaft 47, A touch pin 51 is coupled to one end of the shaft 47 and an end of the dog 47 is coupled to the other end of the shaft 47 through the fixing bracket 41. [ (48).

The touch probe unit 40 is attached to the fixing bracket 41 through the sensor bracket and senses the movement of the shaft 47 by the touch pin 51 through the dog plate 48, And a proximity sensor 55 for outputting to a controller to be described later.

The photographing unit 60 is mounted on the other side of the mount bracket 30. The camera unit 61 is fixed to the mount bracket 30. The camera unit 61 is fixed to the mount bracket 30 And an illumination member (65).

However, in the inspection system, it is difficult to precisely measure the touch panel 51 as the dog plate 48 when the touch pin 51 operates, and the touch pin 51 is fixed to each arm end of the both- So that rapid measurement becomes difficult.

In addition, there is a problem that the touch pin 51 is fixed and the touch pin is damaged when the object to be inspected is positioned eccentrically.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, and it is an object of the present invention to make it possible to easily measure an inner diameter of a steel ball and an OCV machining hole of a cylinder head irrespective of the type of engine, It makes it possible to make an accurate determination according to the pores of each engine, to enable quick measurement, to easily select the goods and defective products, to make precise measurement by using a fine pressure difference, to easily correct the fine eccentricity And a measuring system using the same.

In order to achieve the above object, according to the present invention, there is provided a control system for an internal combustion engine, comprising: a transfer unit including a conveyor for inputting and discharging engine parts to which a unique ID is assigned; The present invention provides a measurement system using the steel ball measuring device, wherein the at least one head aligning part is installed at one side of the conveying part to adjust the direction of the measuring head of the measuring part, and the defective part discharging part which is installed at one side of the conveying part and discharges the defective engine part.

The head alignment unit according to the present invention is characterized in that at least one or more of the head alignment units are provided on the upper and both sides of the engine part in correspondence with the respective surfaces of the engine part, And a measurement system using a steel ball measuring instrument provided for height adjustment.

In addition, the engine check unit of the present invention is composed of a camera for confirming the ID of the engine and a microcomputer connected to the camera, and the microcomputer corresponds to the position of the processing hole while inputting the three- And a control signal is provided so as to be transmitted to the transfer means of the head alignment unit so that each head alignment unit is automatically transferred and positioned.

In addition, the defective article discharge portion of the present invention provides a measurement system using a steel ball measuring instrument, which is provided at one side of the transfer portion and comprises a cylinder for discharging a defective engine to a side and a pusher connected to the cylinder.

The present invention also provides a still ball measuring instrument comprising a floating unit of the present invention and a measuring head inserted into a part of the floating unit and having an air head connected to a spring body when the ball is connected to the head body by a snap ring.

The steel ball measuring device of the present invention is provided with a steel ball measuring device connected to a head aligning part which is installed to be able to adjust the rotational angle and the height in the forward, backward and horizontal or vertical directions through the conveying means.

Further, the floating unit of the present invention provides a steel ball measuring device provided so as to enable fine eccentricity adjustment.

As described above, according to the present invention, regardless of the type of the engine, the inner diameter of the steel ball and the OCV machining hole of the cylinder head can be easily measured, and the arrangement and the copper wire of each steel ball measuring device can be optimally determined according to the pores of each engine, And it is possible to perform accurate measurement by using a fine pressure difference, and to correct the fine eccentricity easily, and to quickly change the air head.

1 is a perspective view showing a conventional inspection system.
2 is a plan view showing a measurement system according to the present invention.
FIGS. 3 to 5 are front views showing a head alignment unit installed on both sides of the transfer unit in the head alignment unit of the measurement system according to the present invention, and a head alignment unit installed on the left and right sides of the transfer unit, respectively.
FIG. 6 is a front view and a plan view showing a defective discharge unit of the measurement system according to the present invention.
7 is a block diagram illustrating a measurement system according to the present invention.
8 and 9 are respectively a perspective view and a working state sectional view showing the steel ball measuring device of the head alignment part according to the present invention.
10 is a sectional view of a steel ball measuring instrument applied to a measuring system according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 3 to 5 are views showing a head alignment unit installed on both sides of the transfer unit of the head alignment unit of the measurement system according to the present invention, and a head alignment unit arranged on the left and right sides of the transfer unit, 7 is a block diagram showing a measurement system according to the present invention, and Figs. 8 and 9 are a front view and a plan view, respectively, of a defective product discharge portion of a measurement system according to the present invention, FIG. 9 is a sectional view of the steel ball measuring device of the head aligning part according to the present invention, and FIG. 10 is a sectional view of the steel ball measuring device applied to the measuring system according to another embodiment of the present invention.

The inspection system 100 according to the present invention includes a transfer unit 110 having a conveyor 111 for loading and unloading an engine part 200 to which a unique ID is assigned, One or more head alignment units 150 installed on one side of the conveyance unit 110 to adjust the direction of the measurement head of the steel ball measuring unit 400 according to the type of the engine part, And a defective article discharge unit 170 installed at one side of the transfer unit 110 for discharging a defective engine part.

A steel ball measuring device 400 is integrally connected to one side of the head alignment unit 150.

At least one of the head alignment unit 150 is provided on the upper and both sides of the engine part in correspondence with the respective surfaces of the engine part. The head alignment unit 150 is arranged in the forward, backward, So that the measuring head of the steel ball measuring device can be positioned at any position in the space.

At this time, the conveying means 160 is installed such that it can be conveyed and rotated by a combination of an LM guide and a ball screw connected to a cylinder or a motor.

In addition, the engine check unit 130 includes a camera 131 for checking the ID of the engine and a microcomputer 135 connected to the camera.

At this time, the microcomputer 135 receives the three-dimensional position and the diameter of the machining hole in advance according to the ID, and corresponds to the position of the machining hole so that the respective head aligning portions are automatically transferred to be positioned so that the control signal is transmitted to the transfer means of the head aligning portion Respectively.

The defective article discharge unit 170 includes a cylinder 171 disposed at one side of the transfer unit 110 for discharging the defective engine to the side and a pusher 173 connected to the cylinder.

The steel ball measuring instrument 400 according to the present invention includes a spring 433 when the floating ball 410 is partially inserted into the floating unit 410 and connected to the head body 430 by a snap ring 431 And an air head 460 is connected to the measuring head 450 at one end.

In this case, a sensor dog (not shown) connected to the other end of the measuring head 450 and a sensor (not shown) for sensing the sensor dog are further provided so that when the measuring head is moved backward due to inconsistency of the processing holes, Thereby resolving the problem of breakage.

The measurement head 450 has an assembly structure of a spring supporting member 451 and a connecting member 453 and a head connecting member 455 to which the air head is connected

The floating unit 410 includes a unit body 411 having an elastic member 420 integrally formed at one end or inside thereof, a bearing 440 disposed on both sides of the unit body 411 so as to rotate freely when inserted into the unit body, A connecting member 453 provided so as to be movable in a radial direction while having an elastic force when the elastic member 420 is connected to one end of the connecting member, And a head connecting member 455 having a plurality of projections 467 are installed and assembled with each other.

The elastic member 420 may be any one selected from among a ball 421 exposed at the outer periphery of the unit body while being elastically installed, or a spiral spring 423 closely attached to the outer diameter side of the connecting member and the inner diameter side of the unit body. .

Further, a washer member 468 having a corrugated shape may be further provided at one side of the bearing, and may be installed so as to allow flow at the time of tightening with a constant pressing force.

When connected to the head alignment unit 150, the steel ball measuring apparatus 400 is installed to be able to adjust the rotational angle and height of the ball in the forward, backward, and horizontal or vertical directions through the conveying unit.

Further, the air head 460 is connected to the head connecting member through any one of the bolt 481 and the one-touch fixing means 490.

In this case, the one-touch fixing means 490 includes an operation hole provided at an end of the measurement head 491, a knob 493 connected to the end of the measurement head, a ball 495 moved to the operation hole by the knob, And a spring 497 for restoring the knob, and a contact hole 499 is formed at an end of the air head so that the ball is supported so as to be recessed toward the inner diameter.

The operation of the present invention constituted as described above will be described.

2 to 10, when the engine part is inserted into the conveyor 111 of the conveyance unit 110, the inspection system 100 of the present invention is configured such that the camera 131 of the engine check unit 130 is connected to the engine part 200 to measure the relative position of each head alignment unit 150 according to the shape placed on the conveyor, and to confirm the ID of the engine.

At this time, the microcomputer 135 provided in the head aligning unit 150 may correspond to the position of the machining hole while the diameter and the three-dimensional position of the machining hole are inputted in advance according to the angle and ID of the engine part, So that the control signal is transmitted to the conveying means of the head aligning portion so as to be conveyed and positioned.

That is, when the engine part is transported while being placed on the conveyor 111 of the conveyance unit 110, the position of the head alignment unit 150 is moved by the operation of the microcomputer 135 of the engine check unit 130, So that the measurement head 450 having the air head 460 at one end can be measured immediately after advancing.

When the engine part 200 to which the conveyor 111 is conveyed is positioned at the head alignment part 150 and is stopped, the conveyor 111 is connected to the head alignment part 150 and is conveyed according to the type of the engine part, The inner diameter of the steel ball of the cylinder head and the inner diameter of the OCV processing hole are measured.

If the measured inner diameter of the hole measured by the steel ball measuring device 400 is different from the standard value pre-inputted to the microcomputer, it is determined to be defective and a control signal is transmitted to the defective product discharging unit 170.

The defective article discharge unit 170 includes a cylinder 171 disposed at one side of the transfer unit 110 to discharge the defective engine to the side and a pusher 173 connected to the cylinder, .

When at least one or more of the head part 150 is installed on the upper and both sides of the engine part in correspondence with the respective surfaces of the engine part, The measuring head of the steel ball measuring machine can be positioned at any position in the space, and even if the machining hole of the engine part maintains the vertical, horizontal and oblique directions, This is possible.

At this time, the conveying means 160 is composed of a combination of an LM guide and a ball screw connected to a cylinder or a motor, thereby conveying and rotating the head alignment unit, i.e., the steel ball measuring unit, in a desired position and direction.

The steel ball measuring instrument 400 according to the present invention includes a spring 433 when the floating ball 410 is partially inserted into the floating unit 410 and connected to the head body 430 by a snap ring 431 The air head 460 is connected to the air hole 461 of the air head which is inserted into the machining hole 201 of the engine part 200 and is connected to the measurement head during measurement, A pressure difference is generated according to the relative distance to the machining hole while the air is discharged and the measured value measured by the sensor 490 at the time of occurrence of the pressure difference is compared with the reference value of each machining hole pre- The hole is detected.

Further, the air head 460 is connected to the head connecting member through any one of the bolt 481 and the one-touch fixing means 490.

In this case, the one-touch fixing means 490 includes an operation hole provided at an end of the measurement head 491, a knob 493 connected to the end of the measurement head, a ball 495 moved to the operation hole by the knob, And a spring 497 for restoring the knob. The air hole 499 is further formed in the end of the air head so that the ball is supported toward the inner diameter of the air head. So that the air head can be separated.

The measurement head 450 has an assembly structure of a spring supporting member 451 and a connecting member 453 and a head connecting member 455 to which the air head is connected so that air can be transmitted, It is possible to adjust the amount of eccentricity of the machining hole.

The floating unit 410 includes a unit body 411 having an elastic member 420 integrally formed at one end or inside thereof, a bearing 440 disposed on both sides of the unit body 411 so as to rotate freely when inserted into the unit body, A head connecting member 455 having a mounting hole 440 for restoring the elastic member 420 while pressing the elastic member 420 while being connected to one end of the connecting member 453; It has an assembled structure so that it can easily enter even when it is in fine eccentricity.

The elastic member 420 may be any one selected from among a ball 421 exposed at the outer periphery of the unit body while being elastically installed, or a spiral spring 423 closely attached to the outer diameter side of the connecting member and the inner diameter side of the unit body. So that it can be restored when eccentricity and external force are removed.

111 ... conveyor 130 ... engine check section
150: Head aligning portion 170: Defective matter discharging portion
200 ... Engine part 400 ... Steel ball measuring instrument
410 ... Floating unit 430 ... Head body
450 ... measuring head

Claims (7)

A conveying part provided with a conveyor for injecting and discharging an engine part to which a unique ID is assigned,
An engine check unit for checking the ID of the engine when the engine part is charged,
One or more head alignment portions provided on one side of the conveyance portion to adjust the direction of the measurement head of the steel ball measuring device integrally provided according to the engine type,
A defective part discharge part for discharging a defective engine part, which is installed at one side of the transfer part,
A plurality of head aligning parts whose positions are determined in advance according to the position of the machining hole are automatically transferred and positioned so as to correspond to the machining holes of the engine part supplied through the conveying part, The diameter of the machining hole is measured at the same time, the defective part is discharged from the defective part discharge part,
The steel ball measuring device is composed of a floating unit and a measuring head which is inserted through a part of the floating unit and is connected to a spring body by a snap ring and has an air head at one end,
The measurement head includes an assembly structure of a spring supporting member, a connecting member and a head connecting member to which the air head is connected,
The floating unit includes: a unit body having one or more elastic members at one end or inside thereof; a connecting member having bearings on both sides so as to be freely rotatable when inserted into the unit body and installed to move in the radial direction; And an assembling structure of the head connecting member installed to press the elastic member while being connected to one end of the connecting member,
Wherein the resilient member is one selected from the group consisting of a spiral spring which is attached to the outer diameter side of the ball or the connecting member and the inner diameter side of the unit body which are exposed at the outer circumference of the unit body while being elastically installed, Measuring system. The motorcycle according to claim 1, wherein at least one of the head arranging parts is provided on an upper portion and both sides of an engine part so as to correspond to each surface of the engine part, and is rotated forward, Wherein the angle of view is adjustable and the height is adjustable. The image processing apparatus according to claim 1, wherein the engine check unit comprises a camera for checking the ID of the engine and a microcomputer connected to the camera,
Wherein the microcomputer is installed so that a control signal is transmitted to the conveying means of the head aligning portion so that each head aligning portion is fed and positioned so as to correspond to the position of the machining hole while the position and diameter of the machining hole are inputted in advance according to the ID. Measurement system using. delete And a measurement head having a floating unit and a part of the floating unit inserted into the floating unit and having an air head connected to a spring body when the head unit is connected to the head unit by a snap ring,
The measuring head includes an assembly structure of a spring supporting member, a connecting member, and a head connecting member to which the air head is connected,
The floating unit includes: a unit body having one or more elastic members at one end or inside thereof; a connecting member having bearings on both sides so as to be freely rotatable when inserted into the unit body and installed to move in the radial direction; And an assembling structure of the head connecting member installed to press the elastic member while being connected to one end of the connecting member,
Wherein the resilient member is selected from the group consisting of a spiral spring which is elastically mounted on the outer diameter side of the ball or the connecting member exposed on the outer periphery of the unit body, and a spiral spring which is in close contact with the inner diameter side of the unit body. 6. The steel ball measuring device according to claim 5, wherein the steel ball measuring device is connected to a head aligning part installed to be capable of adjusting the rotational angle and the height in the forward, backward, . 6. The airbag apparatus according to claim 5, wherein the air head is connected to the head connecting member via any one of bolts or one-touch fastening means,
Wherein the one-touch fixing means comprises an operation hole provided at an end of the measurement head, a knob connected to an end of the measurement head, a ball moved to the operation hole by the knob, and a spring for restoring the knob, Wherein the end portion of the air head is further provided with a contact hole which is recessed toward the inside diameter so as to be supported.
KR1020160039717A 2016-03-31 2016-03-31 steel ba11 measuring instrument for vehicle and measuring system using there of KR101643691B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120493A1 (en) * 2019-12-17 2021-06-24 苏州巨能图像检测技术有限公司 Fully automatic flaw detection mechanism for plugging holes

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07286825A (en) * 1994-04-18 1995-10-31 Mazda Motor Corp Method and device for inspecting clearance of valve seat
JPH0968410A (en) * 1995-08-31 1997-03-11 Honda Motor Co Ltd Abnormality inspection method of optical measuring apparatus
JP2000035311A (en) * 1998-07-17 2000-02-02 Toshiba Fa Syst Eng Corp Continuity inspecting device for path
JP3513903B2 (en) * 1994-04-18 2004-03-31 マツダ株式会社 Inspection apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07286825A (en) * 1994-04-18 1995-10-31 Mazda Motor Corp Method and device for inspecting clearance of valve seat
JP3513903B2 (en) * 1994-04-18 2004-03-31 マツダ株式会社 Inspection apparatus and method
JPH0968410A (en) * 1995-08-31 1997-03-11 Honda Motor Co Ltd Abnormality inspection method of optical measuring apparatus
JP2000035311A (en) * 1998-07-17 2000-02-02 Toshiba Fa Syst Eng Corp Continuity inspecting device for path

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021120493A1 (en) * 2019-12-17 2021-06-24 苏州巨能图像检测技术有限公司 Fully automatic flaw detection mechanism for plugging holes

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