CN105547199A - Workpiece flatness detection method and device - Google Patents

Workpiece flatness detection method and device Download PDF

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Publication number
CN105547199A
CN105547199A CN201510629206.5A CN201510629206A CN105547199A CN 105547199 A CN105547199 A CN 105547199A CN 201510629206 A CN201510629206 A CN 201510629206A CN 105547199 A CN105547199 A CN 105547199A
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China
Prior art keywords
workpiece
detection probe
distance
scanning detction
flatness
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CN201510629206.5A
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Chinese (zh)
Inventor
钟金生
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宇龙计算机通信科技(深圳)有限公司
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Priority to CN201510629206.5A priority Critical patent/CN105547199A/en
Publication of CN105547199A publication Critical patent/CN105547199A/en

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Abstract

The invention provides a workpiece flatness detection method comprising the steps that a workpiece is clamped on a flatness detection device; a detection probe is controlled to detect distance from each scan detection point on the surface of the workpiece to the detection probe in turn, and whether the distance is within a preset distance range is determined, wherein the detection probe is arranged on the flatness detection device; and when the distance from each scan detection point to the detection probe is within the preset distance range, workpiece flatness is qualified through judgment. The invention also provides the workpiece flatness detection device. According to the workpiece flatness detection method and device, automatic detection of workpiece flatness can be realized so that detection precision and detection efficiency can be enhanced and production cost can be reduced.

Description

Workpiece measurement method of planeness and device

Technical field

The present invention relates to electronic equipment manufacturing field, particularly relate to a kind of workpiece measurement method of planeness and device.

Background technology

In the electronic equipment such as mobile phone, panel computer production run, need to use various sheet-type workpiece, as housing, battery cover, center etc., described sheet-type workpiece due to thickness less, there will be the defects such as flexural deformation unavoidably, when assembling product, if be assembled in finished product by the workpiece that there is flexural deformation defect, then easily cause assembling gap, affect product quality.For preventing defective workpiece from flowing into assembling supporting, usually need to detect its flatness after sheet-type Workpiece shaping.Have in prior art that to common are a kind of method be placed on by workpiece on smooth monitor station, prefabricated leveling ruler (feeler gauge) is used to attempt filling in below workpiece, this leveling ruler requires prefabricated according to the flatness specification of workpiece, if this leveling ruler can fill in the gap between workpiece and monitor station, then workpiece flatness is defective.But existing flatness detection method efficiency is low, low precision, and owing to being manually detected by testing staff, testing staff is easily tired, occurs detecting careless omission, and then causes defect workpiece to flow into assembling processing procedure; Meanwhile, adopt the mode of manual detection also can increase human cost, be unfavorable for raising and the Product Cost Control of formation efficiency.

Summary of the invention

In view of problems of the prior art, the invention provides a kind of workpiece measurement method of planeness and pick-up unit, to realize the Aulomatizeted Detect of workpiece flatness, promote accuracy of detection and detection efficiency, reduce production cost.

A kind of workpiece measurement method of planeness, comprising:

By clamping workpiece on flatness detecting device;

To control on surface that detection probe detects described workpiece successively each Scanning Detction point to the distance of described detection probe, and determine whether described distance all falls within the scope of predeterminable range, wherein, described detection probe is arranged on described flatness detecting device;

When each Scanning Detction point described all falls within the scope of described predeterminable range to the distance of described detection probe, judge that described workpiece flatness is qualified.

Wherein, on the surface that described control detection probe detects described workpiece successively, each Scanning Detction point is to the distance of described detection probe, comprising:

Control detection probe to move to line by line and aligns with each Scanning Detction point on the surface of described workpiece, and send detectable signal to each Scanning Detction point described, when described detectable signal arrives described workpiece surperficial, reflected to form reflected signal by described workpiece;

Receive described reflected signal, and according to sending detectable signal and the mistiming and the aerial transfer rate of described detectable signal that receive reflected signal, calculate the distance of each Scanning Detction point described to described detection probe.

Wherein, described by after clamping workpiece is on flatness detecting device, control each Scanning Detction point on surface that detection probe detects described workpiece successively to described detection probe distance before, described method also comprises the debugging step to described flatness detecting device, and described debugging step comprises:

Multiple Scanning Detction point is oriented on the surface of described workpiece by positioning component;

Control detection probe and send detectable signal, detect the initial distance of described positioning component to described detection probe;

According to described initial distance and the thickness of described positioning component and the flatness specification demand of described workpiece, setting predeterminable range scope.

Wherein, after determining whether described distance all falls within the scope of predeterminable range, described method also comprises:

On the surface of described workpiece, there is at least one Scanning Detction point when exceeding outside described predeterminable range scope to the distance of described detection probe, judge that described workpiece flatness is defective;

And the coordinate of the Scanning Detction point outside described predeterminable range scope is exceeded according to distance, determine the described underproof position of workpiece flatness.

Wherein, described detection probe is infrared probe, laser probe or ultrasonic probe.

A kind of workpiece flatness detecting device, comprise housing, be arranged at the controller in described housing and detection probe, described controller and described detection probe are electrically connected, and the surface of described workpiece comprises multiple Scanning Detction point, and described workpiece is placed on the housing; On described controller detects described workpiece successively surface for controlling described detection probe, each Scanning Detction point is to the distance of described detection probe.

Wherein, described device also comprises the positioning component be arranged on described housing, and described workpiece is detachable is connected to described positioning component.

Wherein, described positioning component comprises the positioning through hole that multiple array is arranged, and the corresponding multiple described Scanning Detction point of positioning through hole of described multiple array is arranged.

Wherein, described device also comprises the driven unit be arranged in described housing, and described detection probe is slided and is arranged on described driven unit, and described driven unit and described controller are electrically connected.

Wherein, described device also comprises the detectable signal transmitter and reflected signal receiver that are arranged at described detection probe inside.

Described workpiece measurement method of planeness by described positioning component by described clamping workpiece on flatness detecting device, and the Scanning Detction point that on the surface of being oriented described workpiece by described positioning component, multiple array is arranged, and then detect the distance of each Scanning Detction point described to described detection probe one by one by controlling described detection probe, whether fall within the scope of predeterminable range according to described distance and judge that whether described workpiece flatness is qualified, achieve the Aulomatizeted Detect of workpiece flatness, there is higher accuracy of detection and detection efficiency, be conducive to reducing production cost.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is the process flow diagram of the workpiece measurement method of planeness of first embodiment of the invention;

Fig. 2 is the structural representation of the workpiece flatness detecting device of second embodiment of the invention;

Fig. 3 is the local disassembly diagram of the flatness detecting device of workpiece shown in Fig. 2.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

Refer to Fig. 1, first embodiment of the invention provides a kind of workpiece measurement method of planeness, in the electronic equipment such as mobile phone, panel computer production run, detects the flatness of the sheet-type workpiece such as housing, battery cover, center.Described method at least comprises the steps:

Step S101: by clamping workpiece on flatness detecting device;

Step S102: to control on surface that detection probe detects described workpiece successively each Scanning Detction point to the distance of described detection probe, and determine whether described distance all falls within the scope of predeterminable range, wherein, described detection probe is arranged on described flatness detecting device;

Step S103: when each Scanning Detction point described all falls within the scope of described predeterminable range to the distance of described detection probe, judge that described workpiece flatness is qualified.

Wherein, described flatness detecting device comprises housing, be arranged at the controller of described enclosure interior, detection probe and the positioning component be arranged on described housing, described controller and described detection probe are electrically connected, described positioning component for by described clamping workpiece in described device, the surface of described workpiece comprises multiple Scanning Detction point, on described controller detects described workpiece surface for controlling described detection probe, each Scanning Detction point is to the distance of described detection probe, and described distance and predeterminable range scope are compared, when each Scanning Detction point described all falls within the scope of described predeterminable range to the distance of described detection probe, described controller judges that described workpiece flatness is qualified.Be appreciated that described device also can comprise display module, testing result shows by described display module by described device, as when as described in controller judge that described workpiece flatness is qualified time, display " qualified " on described display module.

In an alternative embodiment, described by after clamping workpiece is on flatness detecting device, control each Scanning Detction point on surface that detection probe detects described workpiece successively to described detection probe distance before, described method also comprises the debugging step to described flatness detecting device, and described debugging step comprises:

Multiple Scanning Detction point is oriented on the surface of described workpiece by positioning component;

Control detection probe and send detectable signal, detect the initial distance of described positioning component to described detection probe;

According to described initial distance and the thickness of described positioning component and the flatness specification demand of described workpiece, setting predeterminable range scope.

Particularly, described housing tip comprises a peristome, described positioning component is fixed on described peristome, described positioning component comprises the location-plate of sheet type structure, described location-plate comprises the positioning through hole that multiple array is arranged, the corresponding multiple described Scanning Detction point of positioning through hole of described multiple array is arranged, and each positioning through hole described is determined value relative to the position coordinates of described location-plate.When described workpiece is fixed on described positioning component, the lower surface of described workpiece and the upper surface of described location-plate are fitted, and described positioning component orients multiple Scanning Detction point by the through hole of described multiple array from the lower surface of described workpiece.Wherein, described location-plate has the flatness specification higher than the flatness rule demand of described workpiece.Described flatness detecting device sends detectable signal by controlling described detection probe, detect the initial distance of lower surface to described detection probe of described positioning component, and then this initial distance is added the thickness of described positioning component and the flatness error scope of described workpiece permission, namely obtain described predeterminable range scope.Such as, suppose that the thickness of described location-plate is 5mm, the lower surface of described location-plate is 50mm to the initial distance of described detection probe, and the flatness error scope that described workpiece allows is ± 0.5mm, then setting described predeterminable range scope is 54.5-55.5mm.Be appreciated that the size of described positioning through hole, shape and position and density can be arranged according to the size of described workpiece, shape and flatness specification demand etc., as described in positioning through hole can be manhole, rectangular through-hole, strip through hole etc.Be appreciated that described positioning through hole can be set to the coordinate of center on described location-plate of described pilot hole relative to the coordinate of described location-plate.

In an alternative embodiment, on the surface that described control detection probe detects described workpiece successively, each Scanning Detction point is to the distance of described detection probe, comprising:

Control detection probe to move to line by line and aligns with each Scanning Detction point on the surface of described workpiece, and send detectable signal to each Scanning Detction point described, when described detectable signal arrives described workpiece surperficial, reflected to form reflected signal by described workpiece;

Receive described reflected signal, and according to sending detectable signal and the mistiming and the aerial transfer rate of described detectable signal that receive reflected signal, calculate the distance of each Scanning Detction point described to described detection probe.

Particularly, described workpiece flatness detecting device also comprises driven unit, described detection probe is arranged on described driven unit, described driven unit and described controller are electrically connected, and drive described detection probe to move to line by line and align with each Scanning Detction point on the surface of described workpiece under the control at described controller.Described detection probe comprises detectable signal transmitter and reflected signal receiver, described detectable signal transmitter is used for the emission detection signal when described detection probe is alignd with each Scanning Detction point described, described reflected signal receiver reflects the reflected signal of described detectable signal formation for receiving described workpiece, described control is gone back device and is sent for recording described detectable signal transmitter corresponding to each Scanning Detction point described the mistiming that detectable signal and described reflected signal receiver receive reflected signal, and according to described mistiming and the aerial transfer rate of described detectable signal, calculate the distance of each Scanning Detction point described to described detection probe.Be appreciated that described detection probe can be infrared probe, laser probe or ultrasonic probe.

In an alternative embodiment, after determining whether described distance all falls within the scope of predeterminable range, described method also comprises:

On the surface of described workpiece, there is at least one Scanning Detction point when exceeding outside described predeterminable range scope to the distance of described detection probe, judge that described workpiece flatness is defective;

And the coordinate of the Scanning Detction point outside described predeterminable range scope is exceeded according to distance, determine the described underproof position of workpiece flatness.

Particularly, multiple positioning through hole on described positioning component are determined value relative to the position coordinates of described location-plate, when described workpiece is fixed on described positioning component, described multiple Scanning Detction points position coordinates on the workpiece of being located by described positioning through hole can be determined according to the position coordinates of described positioning through hole.Therefore, when detecting that the distance of at least one Scanning Detction point to described detection probe exceeds described predeterminable range scope, described in can determining according to the position coordinates of described positioning through hole, exceed the Scanning Detction point position coordinates on the workpiece of predeterminable range scope.Be appreciated that, when the surface described workpiece being detected existing the distance of at least one Scanning Detction point to described detection probe and exceeding outside described predeterminable range scope, described flatness detecting device is also shown by described display module by the testing result of described display module by current detected workpiece, as " defective ", simultaneously described display module also can be used for demonstrating described in exceed the Scanning Detction point position coordinates on the workpiece of predeterminable range scope, to carry out correction process further by flatness correcting process to this workpiece.

See also Fig. 2 and Fig. 3, second embodiment of the invention provides a kind of workpiece flatness detecting device 200, in the electronic equipment such as mobile phone, panel computer production run, detects the flatness of the sheet-type workpiece 300 such as housing, battery cover, center.Described workpiece flatness detecting device 200 comprises housing 210, be arranged at the controller 230 in described housing and detection probe 250, described controller 230 is electrically connected with described detection probe 250, and the surface of described workpiece 300 comprises multiple Scanning Detction point, and described workpiece is placed on the housing; On described controller 230 detects described workpiece 300 successively surface for controlling described detection probe 250, each Scanning Detction point is to the distance of described detection probe 250, and determine whether described distance all falls within the scope of predeterminable range, when each Scanning Detction point described all falls within the scope of described predeterminable range to the distance of described detection probe 250, judge that described workpiece 300 flatness is qualified.

Described flatness detecting device 200 also comprises detectable signal transmitter 251 and reflected signal receiver 253, it is inner that described detectable signal transmitter 251 and reflected signal receiver 253 are arranged at described detection probe 250, described detectable signal transmitter 251 is for the emission detection signal when described detection probe 250 is alignd with each Scanning Detction point described, described reflected signal receiver 253 reflects the reflected signal of described detectable signal formation for receiving described workpiece 300, described controller 230 also sends for recording described detectable signal transmitter 251 corresponding to each Scanning Detction point described the mistiming that detectable signal and described reflected signal receiver 253 receive reflected signal, and calculate the distance of each Scanning Detction point described to described detection probe 250 according to the described mistiming.Wherein, described detection probe 250 can be infrared probe, laser probe or ultrasonic probe etc.Be appreciated that described detection probe 250 also can for integrating the probe of signal emission function and signal receiving function, as infrared receiving/transmission probe, laser transmitting-receiving probe, ultrasonic transmission/reception probe etc.

Described housing 210 top comprises a peristome 211, described flatness detecting device 200 also comprises the positioning component 270 be arranged on described housing, described positioning component 270 is fixed on described peristome 211, and described workpiece 300 is detachable is connected to described positioning component 270.Described positioning component 270 comprises fixture 271 and location-plate 273, described location-plate 273 comprises the positioning through hole 2731 that multiple array is arranged, described fixture 271 is for being fixed on described positioning component 270 by described workpiece 300, the corresponding multiple described Scanning Detction point of positioning through hole 2731 of described multiple array is arranged, on the surface to described workpiece 300, multiple Scanning Detction point positions, and each positioning through hole 2731 described is determined value relative to the position coordinates of described location-plate 273.Be appreciated that, when described workpiece 300 is fixed on described positioning component 270, the lower surface of described workpiece 300 and the upper surface of described location-plate 273 are fitted, described positioning component 270 orients multiple Scanning Detction point by the through hole 2731 of described multiple array from the lower surface of described workpiece 300, wherein, the position coordinates of each Scanning Detction point described on described workpiece 300 can be determined according to the position coordinates of described positioning through hole 2731.Be appreciated that described fixture 271 can be L-type clamping plate, strip clamping plate etc., described workpiece 300 is removably fixed on described location-plate 273 by the mode being connected together or being threaded by described fixture 271.

Described device also comprises the driven unit 290 be arranged in described housing, described detection probe 250 is slided and is arranged on described driven unit 290, described driven unit 290 is electrically connected with described controller 230, drives described detection probe 250 to move to line by line and align with each Scanning Detction point on the surface of described workpiece 300 under the control at described controller 230.Be appreciated that, described driven unit 290 can be mechanical arm or sliding block guide track structure, wherein, described controller 230 can according to the position coordinates of described positioning through hole 2731 relative to described location-plate 273, control described driven unit 290 to drive described detection probe 250 to move to one by one to align with each positioning through hole 2731 described, to be detected the distance of the Scanning Detction point corresponding to each positioning through hole 2731 described to described detection probe 250 by described detection probe 250.Be appreciated that, when described positioning component 270 is fixed on described peristome 211, each positioning through hole 2731 described is also fixed relative to the position of described housing 210, now, align with each positioning through hole 2731 described one by one to make the described detection probe 250 be arranged on described driven unit 290 by debugging described driven unit 290, and record the position coordinates of each positioning through hole 2731 described by described controller 230.After debugging, described workpiece 300 is fixed on described positioning component 270 by described fixture 270, and then by described controller 230 according to the position coordinates of described record, control described driven unit 290 to drive described detection probe 250 to move to one by one to align with each positioning through hole 2731 described, with the distance of the Scanning Detction point to described detection probe 250 that detect each positioning through hole 2731 correspondence described one by one.

Be appreciated that described flatness detecting device 200 also can comprise multiple function button 201 and display module 203.Described multiple function button 201 is respectively used to the operation such as unlatching, cut out, reset controlling described flatness detecting device 200; Described display module 203 is for showing the testing result of described flatness detecting device 200, as " qualified ", " defective " etc., and in testing result for exceeding the Scanning Detction point position coordinates on the workpiece of predeterminable range scope described in demonstrating time " defective ".

Be appreciated that the function of each assembly of described flatness detecting device 200 and realize with reference to the description in the embodiment of the method provided described in first embodiment of the invention, to repeat no more herein.

Described workpiece measurement method of planeness and device by described positioning component by described clamping workpiece on flatness detecting device, and the Scanning Detction point that on the surface of being oriented described workpiece by described positioning component, multiple array is arranged, and then detect the distance of each Scanning Detction point described to described detection probe one by one by controlling described detection probe, whether fall within the scope of predeterminable range according to described distance and judge that whether described workpiece flatness is qualified, achieve the Aulomatizeted Detect of workpiece flatness, there is higher accuracy of detection and detection efficiency, be conducive to reducing production cost.

Above disclosedly be only the preferred embodiments of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.

Claims (10)

1. a workpiece measurement method of planeness, is characterized in that, described method comprises:
By clamping workpiece on flatness detecting device;
To control on surface that detection probe detects described workpiece successively each Scanning Detction point to the distance of described detection probe, and determine whether described distance all falls within the scope of predeterminable range, wherein, described detection probe is arranged on described flatness detecting device;
When each Scanning Detction point described all falls within the scope of described predeterminable range to the distance of described detection probe, judge that described workpiece flatness is qualified.
2. the method for claim 1, is characterized in that, on the surface that described control detection probe detects described workpiece successively, each Scanning Detction point is to the distance of described detection probe, comprising:
Control detection probe to move to line by line and aligns with each Scanning Detction point on the surface of described workpiece, and send detectable signal to each Scanning Detction point described, when described detectable signal arrives described workpiece surperficial, reflected to form reflected signal by described workpiece;
Receive described reflected signal, and according to sending detectable signal and the mistiming and the aerial transfer rate of described detectable signal that receive reflected signal, calculate the distance of each Scanning Detction point described to described detection probe.
3. the method for claim 1, it is characterized in that, described by after clamping workpiece is on flatness detecting device, control each Scanning Detction point on surface that detection probe detects described workpiece successively to described detection probe distance before, described method also comprises the debugging step to described flatness detecting device, and described debugging step comprises:
Multiple Scanning Detction point is oriented on the surface of described workpiece by positioning component;
Control detection probe and send detectable signal, detect the initial distance of described positioning component to described detection probe;
According to described initial distance and the thickness of described positioning component and the flatness specification demand of described workpiece, setting predeterminable range scope.
4. the method for claim 1, is characterized in that, after determining whether described distance all falls within the scope of predeterminable range, described method also comprises:
On the surface of described workpiece, there is at least one Scanning Detction point when exceeding outside described predeterminable range scope to the distance of described detection probe, judge that described workpiece flatness is defective;
And the coordinate of the Scanning Detction point outside described predeterminable range scope is exceeded according to distance, determine the described underproof position of workpiece flatness.
5. the method as described in any one of claim 1-4, is characterized in that, described detection probe is infrared probe, laser probe or ultrasonic probe.
6. a workpiece flatness detecting device, it is characterized in that, described device comprises housing, be arranged at the controller in described housing and detection probe, described controller and described detection probe are electrically connected, the surface of described workpiece comprises multiple Scanning Detction point, and described workpiece is placed on the housing; On described controller detects described workpiece successively surface for controlling described detection probe, each Scanning Detction point is to the distance of described detection probe.
7. device as claimed in claim 6, it is characterized in that, described device also comprises the positioning component be arranged on described housing, and described workpiece is detachable is connected to described positioning component.
8. device as claimed in claim 7, is characterized in that, described positioning component comprises the positioning through hole that multiple array is arranged, and the corresponding multiple described Scanning Detction point of positioning through hole of described multiple array is arranged.
9. device as claimed in claim 6, it is characterized in that, described device also comprises the driven unit be arranged in described housing, and described detection probe is slided and is arranged on described driven unit, and described driven unit and described controller are electrically connected.
10. the device as described in claim 6-9 any one, is characterized in that, described device also comprises the detectable signal transmitter and reflected signal receiver that are arranged at described detection probe inside.
CN201510629206.5A 2015-09-28 2015-09-28 Workpiece flatness detection method and device CN105547199A (en)

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CN105929460A (en) * 2016-05-07 2016-09-07 合肥国轩高科动力能源有限公司 Electrode subassembly alignment detection apparatus and detection method thereof
CN106289118A (en) * 2016-09-06 2017-01-04 乐视控股(北京)有限公司 The detection method of surface smoothness, device and terminal
CN107869973A (en) * 2017-12-11 2018-04-03 湖南太子化工涂料有限公司 A kind of aqueous paint surface quality detection method
CN108044507A (en) * 2017-12-22 2018-05-18 吴柳平 For the detection device of emery wheel
CN108613654A (en) * 2018-08-13 2018-10-02 昆山睿力得软件技术有限公司 A kind of coiling flatness detecting device
CN108801914A (en) * 2018-05-29 2018-11-13 华中科技大学 A kind of detection method and detecting system to how groove-shaped panel material forming defects
CN109029223A (en) * 2018-08-23 2018-12-18 东莞市欧珀精密电子有限公司 The roughness measurement method of jig and center component
CN109186429A (en) * 2018-09-21 2019-01-11 中车大连机车车辆有限公司 The non-processing surface smoothness detection method of locomotive underslung main transformer mounting base
WO2019061575A1 (en) * 2017-09-30 2019-04-04 富准精密电子(鹤壁)有限公司 Pin shaft inspection device

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CN203163701U (en) * 2013-02-01 2013-08-28 东莞市荣旭自动化科技有限公司 High-precision terminal flatness detector
CN204154292U (en) * 2014-10-19 2015-02-11 江西和美陶瓷有限公司 A kind of Ceramic Tiles superhigh precision flatness detecting device
CN104677314A (en) * 2015-03-02 2015-06-03 合肥京东方光电科技有限公司 Device and method for detecting surface flatness of display panel

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CN102620690A (en) * 2012-04-01 2012-08-01 华中科技大学 Multi-probe flatness detector and flatness detection method
CN203163701U (en) * 2013-02-01 2013-08-28 东莞市荣旭自动化科技有限公司 High-precision terminal flatness detector
CN204154292U (en) * 2014-10-19 2015-02-11 江西和美陶瓷有限公司 A kind of Ceramic Tiles superhigh precision flatness detecting device
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105929460A (en) * 2016-05-07 2016-09-07 合肥国轩高科动力能源有限公司 Electrode subassembly alignment detection apparatus and detection method thereof
CN106289118A (en) * 2016-09-06 2017-01-04 乐视控股(北京)有限公司 The detection method of surface smoothness, device and terminal
WO2019061575A1 (en) * 2017-09-30 2019-04-04 富准精密电子(鹤壁)有限公司 Pin shaft inspection device
CN107869973A (en) * 2017-12-11 2018-04-03 湖南太子化工涂料有限公司 A kind of aqueous paint surface quality detection method
CN108044507A (en) * 2017-12-22 2018-05-18 吴柳平 For the detection device of emery wheel
CN108801914A (en) * 2018-05-29 2018-11-13 华中科技大学 A kind of detection method and detecting system to how groove-shaped panel material forming defects
CN108613654A (en) * 2018-08-13 2018-10-02 昆山睿力得软件技术有限公司 A kind of coiling flatness detecting device
CN109029223A (en) * 2018-08-23 2018-12-18 东莞市欧珀精密电子有限公司 The roughness measurement method of jig and center component
CN109186429A (en) * 2018-09-21 2019-01-11 中车大连机车车辆有限公司 The non-processing surface smoothness detection method of locomotive underslung main transformer mounting base
CN109186429B (en) * 2018-09-21 2020-10-16 中车大连机车车辆有限公司 Method for detecting flatness of non-machined surface of locomotive underslung main transformer mounting seat

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Application publication date: 20160504