CN109490093B - Bending angle performance detection device for rigid-flex board - Google Patents
Bending angle performance detection device for rigid-flex board Download PDFInfo
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- CN109490093B CN109490093B CN201811210561.9A CN201811210561A CN109490093B CN 109490093 B CN109490093 B CN 109490093B CN 201811210561 A CN201811210561 A CN 201811210561A CN 109490093 B CN109490093 B CN 109490093B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0423—Chucks, fixtures, jaws, holders or anvils using screws
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0452—Cushioning layer between test piece and grip
Abstract
The invention discloses a device for detecting bending angle performance of a rigid-flexible printed circuit board, which comprises a machine main body, wherein a control switch is arranged on the upper surface of the machine main body, a supporting seat is arranged on the side surface of the machine main body, a sliding mechanism is arranged at the position, close to the rear part of the supporting seat, of the side surface of the machine main body, and a motor is arranged on the upper surface of the supporting seat; buffer gear's setting can provide a buffer power, has avoided the circuit board to buckle excessively, causes the damage, can provide certain protect function for the product at the in-process of buckling, and this detection device easy operation, stability is higher, possesses stronger practical value and spreading value.
Description
Technical Field
The invention relates to the field of mechanical equipment, in particular to a device for detecting bending angle performance of a rigid-flex board.
Background
The whole thickness of the soft-hard (or called rigid-flexible) printed circuit board needs to realize the technical breakthrough of increasingly thinner, so that the requirement of the flexible region on the bending performance is improved, and the performance detection of the bending angle of the circuit board is needed.
Chinese patent discloses an authorization publication number CN206450525U of a cell tab bending degree detection machine, which can detect the bending degree of the tab on the cell, select qualified cells, reject unqualified cells, and realize mechanical automation production, but the current bending test process completely depends on manual operation, the selection of bending position, the position change during bending, the error of bending angle and other factors, so that the bending test result can not truly reflect the product performance, and the circuit board may be excessively bent in the bending process, and certain scrapping is caused, therefore, technical personnel in the field provide a device for detecting the bending angle performance of the rigid-flexible board, so as to solve the problems proposed in the background technology.
Disclosure of Invention
The invention aims to provide a device for detecting the bending angle performance of a soft-hard combined plate, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a device for detecting the bending angle performance of a rigid-flex board comprises a machine main body, a control switch, a supporting seat, a sliding mechanism, a cross frame, a vertical frame, a slide rail, a positioning hole, a sliding block, a motor, a rotating shaft, a switching mechanism, a gear box, a driving gear, a driven gear, a rotating rod, a pneumatic rod, a joint bearing, an auxiliary clamping platform deck, a rigid circuit board hard board, a main clamping platform deck, a first clamping plate, an ear plate, a second clamping plate, a fixing bolt, a limiting mechanism, a telescopic bolt, a fixing block, a mandrel, a buffering mechanism, a vertical rod, a fixing plate, a buffering spring, a buffering plate and a flexible circuit board hard board, wherein the control switch is arranged on the upper surface of the machine main body, the supporting seat is arranged on the side surface of the machine main body, the sliding mechanism is arranged at a position, close to the rear part of the supporting seat, the clamping device is characterized in that a switching mechanism is sleeved at one end of the rotating shaft, a rotating rod is installed at one end of the switching mechanism, a pneumatic rod is installed at one end of the rotating rod, a knuckle bearing is arranged at the top end of the pneumatic rod, an auxiliary clamping platform deck is arranged on one side of the knuckle bearing, a hard circuit board hard board is installed on the upper surface of the auxiliary clamping platform deck, a main clamping platform deck is arranged in front of the sliding mechanism, a limiting mechanism is arranged below the main clamping platform deck, a buffer mechanism is installed at the position of the upper surface of the limiting mechanism, and a soft circuit board hard board is installed behind the buffer mechanism.
As a still further scheme of the invention: slide mechanism includes crossbearer, grudging post, slide rail, locating hole and slider, slide mechanism's one end horizontal mounting has the crossbearer, the vertical welding of upper surface of crossbearer has the grudging post, the slide rail has vertically been seted up to the front surface of grudging post, and the front surface of grudging post corresponds slide rail internally mounted and has the slider, the locating hole has all been seted up to the front surface of grudging post near slide rail both sides position department.
As a still further scheme of the invention: the switching mechanism comprises a gear box, a driving gear and a driven gear, the driving gear is arranged in the switching mechanism, the driven gear is meshed with one side of the driving gear, and the gear box is arranged outside the driving gear and the driven gear.
As a still further scheme of the invention: the main clamping carrying platform comprises a first clamping plate, an ear plate, a second clamping plate and a fixing bolt, wherein the first clamping plate is installed at one end of the main clamping carrying platform, the ear plate is welded on the front surface of the first clamping plate, the second clamping plate is installed at the position, close to one side of the ear plate, of the front surface of the first clamping plate, and the fixing bolt penetrates through the front surface of the second clamping plate.
As a still further scheme of the invention: stop gear includes telescopic bolt, fixed block and dabber, telescopic bolt is installed on stop gear's top, telescopic bolt's outside has cup jointed the fixed block, the dabber is transversely installed to one side of fixed block.
As a still further scheme of the invention: buffer gear includes pole setting, fixed plate, buffer spring and buffer board, the pole setting is installed to buffer gear's bottom, the top welding of pole setting has the fixed plate, the rear surface of fixed plate is provided with buffer spring, the buffer board is installed to buffer spring's one end.
As a still further scheme of the invention: the rotating shaft penetrates through the gear box and is fixedly connected with the driving gear, and the rotating rod penetrates through the gear box and is fixedly connected with the driven gear.
As a still further scheme of the invention: the pole setting is connected through the welding mode with the dabber, and the quantity of dabber is provided with two.
As a still further scheme of the invention: the rear surface laminating of buffer board is installed the protection rubber pad, and the rear surface of buffer board is arcuation structure.
As a still further scheme of the invention: the motor and the pneumatic rod are electrically connected with the control switch.
Compared with the prior art, the invention has the beneficial effects that: the motor drives the pneumatic rod to swing, the pneumatic rod extends and shortens along with the pneumatic rod in the swinging process, so that the auxiliary clamping carrying platform is driven to swing, the flexible and hard combined printed circuit board is blocked by the core shaft, a 90-degree or 180-degree bending test is carried out on a flexible area of a product, and the automatic operation can stably complete operation actions; buffer gear's setting can provide a buffer power, has avoided the circuit board to buckle excessively, causes the damage, can provide certain protect function for the product at the in-process of buckling, and this detection device easy operation, stability is higher, and the testing result is accurate, possesses stronger practical value and spreading value.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting bending angle performance of a rigid-flex board.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of a sliding mechanism of the device for detecting the bending angle performance of the rigid-flex board.
Fig. 4 is a schematic structural view of an adapter mechanism of a device for detecting bending angle performance of a rigid-flex board.
Fig. 5 is a schematic structural diagram of a main clamping stage of a device for detecting bending angle performance of a rigid-flex board.
Fig. 6 is a schematic structural diagram of a limiting mechanism of the device for detecting the bending angle performance of the rigid-flex board.
Fig. 7 is a schematic structural diagram of a buffering mechanism of a device for detecting bending angle performance of a rigid-flex board.
Fig. 8 is a schematic structural view of a buffer spring of a device for detecting bending angle performance of a rigid-flex board.
In the figure: 1. a machine main body; 2. a control switch; 3. a supporting seat; 4. a sliding mechanism; 41. a cross frame; 42. erecting a frame; 43. a slide rail; 44. positioning holes; 45. a slider; 5. a motor; 6. a rotating shaft; 7. a transfer mechanism; 71. a gear box; 72. a driving gear; 73. a driven gear; 8. a rotating rod; 9. a pneumatic rod; 10. a knuckle bearing; 11. a secondary clamping stage; 12. hard circuit board hard board; 13. a main clamping stage; 131. a first splint; 132. an ear plate; 133. a second splint; 134. fixing the bolt; 14. a limiting mechanism; 141. a telescopic bolt; 142. a fixed block; 143. a mandrel; 15. a buffer mechanism; 151. erecting a rod; 152. a fixing plate; 153. a buffer spring; 154. a buffer plate; 16. soft circuit board hardboard.
Detailed Description
Referring to fig. 1 to 8, in an embodiment of the present invention, a device for detecting a bending angle of a rigid-flex board includes a machine body 1, a control switch 2, a support base 3, a sliding mechanism 4, a cross frame 41, a vertical frame 42, a sliding rail 43, a positioning hole 44, a sliding block 45, a motor 5, a rotating shaft 6, an adapting mechanism 7, a gear box 71, a driving gear 72, a driven gear 73, a rotating rod 8, a pneumatic rod 9, a knuckle bearing 10, an auxiliary clamping platform 11, a rigid circuit board rigid board 12, a main clamping platform 13, a first clamping plate 131, an ear plate 132, a second clamping plate 133, a fixing bolt 134, a limiting mechanism 14, a telescopic bolt 141, a fixing block 142, a mandrel 143, a buffer mechanism 15, a vertical rod 151, a fixing plate 152, a buffer spring 153, a buffer plate 154, and a flexible circuit board rigid board 16, the control switch 2 is disposed on an upper surface of the machine body 1, the support base 3, a sliding mechanism 4 is arranged on the side surface of the machine body 1 close to the rear position of the supporting seat 3, a motor 5 is arranged on the upper surface of the supporting seat 3, a rotating shaft 6 is arranged at the driving end of the motor 5, a switching mechanism 7 is sleeved at one end of the rotating shaft 6, a rotating rod 8 is arranged at one end of the switching mechanism 7, a pneumatic rod 9 is arranged at one end of the rotating rod 8, a knuckle bearing 10 is arranged at the top end of the pneumatic rod 9, an auxiliary clamping carrying platform 11 is arranged on one side of the knuckle bearing 10, a hard circuit board hard board 12 is arranged on the upper surface of the auxiliary clamping carrying platform 11, a main clamping carrying platform 13 is arranged in front of the sliding mechanism 4, the motor drives the pneumatic rod to swing, the pneumatic rod extends and shortens along with the swinging process, so as to drive the auxiliary clamping carrying, the bending test of 90 degrees or 180 degrees is carried out on the flexible region of the product, and the operation action can be stably finished through automatic operation.
The lower part of main centre gripping microscope carrier 13 is provided with stop gear 14, and stop gear 14 upper surface position department installs buffer gear 15, and soft circuit board hard board 16 is installed to buffer gear 15's rear, and buffer gear's setting can provide a cushion effect, has avoided the circuit board to buckle excessively, causes the damage, can provide certain protect function for the product at the in-process of buckling.
The sliding mechanism 4 comprises a transverse frame 41, a vertical frame 42, a sliding rail 43, a positioning hole 44 and a sliding block 45, wherein the transverse frame 41 is horizontally installed at one end of the sliding mechanism 4, the vertical frame 42 is vertically welded on the upper surface of the transverse frame 41, the sliding rail 43 is longitudinally arranged on the front surface of the vertical frame 42, the sliding block 45 is installed on the front surface of the vertical frame 42 corresponding to the sliding rail 43, and the positioning hole 44 is formed in the position, close to the two sides of the sliding rail 43, of the front surface of the vertical frame 42; the switching mechanism 7 comprises a gear box 71, a driving gear 72 and a driven gear 73, the driving gear 72 is arranged inside the switching mechanism 7, the driven gear 73 is meshed and installed on one side of the driving gear 72, and the gear box 71 is installed outside the driving gear 72 and the driven gear 73; the main clamping stage 13 comprises a first clamping plate 131, an ear plate 132, a second clamping plate 133 and a fixing bolt 134, the first clamping plate 131 is installed at one end of the main clamping stage 13, the ear plate 132 is welded on the front surface of the first clamping plate 131, the second clamping plate 133 is installed at the position, close to one side of the ear plate 132, of the front surface of the first clamping plate 131, and the fixing bolt 134 penetrates through the front surface of the second clamping plate 133; the limiting mechanism 14 comprises an expansion bolt 141, a fixing block 142 and a mandrel 143, the expansion bolt 141 is installed at the top end of the limiting mechanism 14, the fixing block 142 is sleeved outside the expansion bolt 141, and the mandrel 143 is installed on one side of the fixing block 142 in the transverse direction; the buffer mechanism 15 comprises an upright rod 151, a fixing plate 152, a buffer spring 153 and a buffer plate 154, the upright rod 151 is mounted at the bottom end of the buffer mechanism 15, the fixing plate 152 is welded at the top end of the upright rod 151, the buffer spring 153 is arranged on the rear surface of the fixing plate 152, and the buffer plate 154 is mounted at one end of the buffer spring 153; the rotating shaft 6 penetrates through the gear box 71 and is fixedly connected with the driving gear 72, and the rotating rod 8 penetrates through the gear box 71 and is fixedly connected with the driven gear 73; the upright rods 151 are connected with the mandrels 143 in a welding mode, and the number of the mandrels 143 is two; a protective rubber pad is attached to the rear surface of the buffer plate 154, and the rear surface of the buffer plate 154 is of an arc-shaped structure; the motor 5 and the pneumatic rod 9 are both electrically connected with the control switch 2.
The working principle of the invention is as follows: firstly, the distance between the main clamping carrier 13 and the auxiliary clamping carrier 11 is adjusted according to the actual situation of the circuit board, the slide block 45 at the back of the main clamping carrier 13 slides in the slide rail 43 and slides to the designated position to be fixed by using a bolt to pass through the positioning hole 44, then a worker places the soft circuit board hard board 16 on the main clamping carrier 13, rotates the fixing bolt 134 to enable the first clamping plate 131 and the second clamping plate 133 to fasten the soft circuit board hard board 16, continuously inserts the hard circuit board hard board 12 into the auxiliary clamping carrier 11 to fasten the two, rotates the telescopic bolt 141 passing through the ear plate 132 to adjust the lower mandrel 143 to the position needing to be bent, then controls the motor 5 to work by the control switch 2, selects the angle, direction and bending times to be needed according to the actual situation, the rotating shaft 6 on the motor 5 drives the driving gear 72 to rotate, the driving gear 72 drives the driven gear 73 along with the driving gear, the driven gear 73 drives the pneumatic rod 9 to swing through the rotating rod 8, the pneumatic rod 9 extends and shortens along with the driving gear in the swinging process, so that the auxiliary clamping carrying platform 11 is driven to swing, the hard circuit board hard board 12 and the soft circuit board hard board 16 are blocked by the mandrel 143, 90-degree or 180-degree bending test is performed on a flexible region of a product, operation action is completed, before the circuit board contacts the mandrel 143, the circuit board contacts the buffer board 154 first, so that the buffer spring 153 is extruded and contracted, loss caused by excessive bending is avoided, and a certain protection function can be provided for the product in the bending process.
Claims (9)
1. The device for detecting the bending angle performance of the rigid-flex board comprises a machine body (1) and is characterized in that a control switch (2) is arranged on the upper surface of the machine body (1), a supporting seat (3) is installed on the side surface of the machine body (1), a sliding mechanism (4) is arranged at the position, close to the rear side of the supporting seat (3), of the side surface of the machine body (1), a motor (5) is installed on the upper surface of the supporting seat (3), a rotating shaft (6) is arranged at the driving end of the motor (5), a switching mechanism (7) is sleeved at one end of the rotating shaft (6), a rotating rod (8) is installed at one end of the switching mechanism (7), a pneumatic rod (9) is installed at one end of the rotating rod (8), a joint bearing (10) is arranged at the top end of the pneumatic rod (9), an auxiliary clamping carrying platform (11) is arranged on one, the upper surface of the auxiliary clamping carrying platform (11) is provided with a hard circuit board hard board (12), the front of the sliding mechanism (4) is provided with a main clamping carrying platform (13), the lower part of the main clamping carrying platform (13) is provided with a limiting mechanism (14), the upper surface of the limiting mechanism (14) is provided with a buffer mechanism (15), and the rear of the buffer mechanism (15) is provided with a soft circuit board hard board (16).
2. The device for detecting the bending angle performance of the rigid-flex board as claimed in claim 1, wherein the sliding mechanism (4) comprises a cross frame (41), a vertical frame (42), a sliding rail (43), a positioning hole (44) and a sliding block (45), the cross frame (41) is horizontally installed at one end of the sliding mechanism (4), the vertical frame (42) is welded to the upper surface of the cross frame (41), the sliding rail (43) is longitudinally arranged on the front surface of the vertical frame (42), the sliding block (45) is installed inside the sliding rail (43) corresponding to the front surface of the vertical frame (42), and the positioning hole (44) is formed in the position, close to the two sides of the sliding rail (43), of the front surface of the vertical frame (42).
3. The device for detecting the bending angle performance of the rigid-flex printed circuit board according to claim 1, wherein the adapter mechanism (7) comprises a gear box (71), a driving gear (72) and a driven gear (73), the driving gear (72) is arranged inside the adapter mechanism (7), the driven gear (73) is meshed with one side of the driving gear (72), and the gear box (71) is arranged outside the driving gear (72) and the driven gear (73).
4. The device for detecting the bending angle performance of the rigid-flex board according to claim 1, wherein the main clamping stage (13) comprises a first clamping plate (131), an ear plate (132), a second clamping plate (133) and a fixing bolt (134), the first clamping plate (131) is installed at one end of the main clamping stage (13), the ear plate (132) is welded to the front surface of the first clamping plate (131), the second clamping plate (133) is installed at a position, close to one side of the ear plate (132), of the front surface of the first clamping plate (131), and the fixing bolt (134) penetrates through the front surface of the second clamping plate (133).
5. The device for detecting the bending angle performance of the rigid-flex board according to claim 1, wherein the limiting mechanism (14) comprises an expansion bolt (141), a fixing block (142) and a mandrel (143), the expansion bolt (141) is installed at the top end of the limiting mechanism (14), the fixing block (142) is sleeved outside the expansion bolt (141), and the mandrel (143) is transversely installed on one side of the fixing block (142).
6. The device for detecting the bending angle performance of the soft and hard combined plate according to claim 5, wherein the buffer mechanism (15) comprises an upright rod (151), a fixed plate (152), a buffer spring (153) and a buffer plate (154), the upright rod (151) is installed at the bottom end of the buffer mechanism (15), the fixed plate (152) is welded at the top end of the upright rod (151), the buffer spring (153) is arranged on the rear surface of the fixed plate (152), the buffer plate (154) is installed at one end of the buffer spring (153), the upright rod (151) is connected with the mandrel (143) in a welding mode, and the number of the mandrels (143) is two.
7. The device for detecting the bending angle performance of the rigid-flex board as claimed in claim 1 or 3, wherein the rotating shaft (6) penetrates through the gear box (71) and is fixedly connected with the driving gear (72), and the rotating rod (8) penetrates through the gear box (71) and is fixedly connected with the driven gear (73).
8. The device for detecting bending angle performance of rigid-flexible printed circuit board as claimed in claim 6, wherein a protective rubber pad is attached to the rear surface of the buffer plate (154), and the rear surface of the buffer plate (154) is of an arc structure.
9. The device for detecting the bending angle performance of the rigid-flex board as claimed in claim 1, wherein the motor (5) and the pneumatic rod (9) are both electrically connected with the control switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210561.9A CN109490093B (en) | 2018-10-17 | 2018-10-17 | Bending angle performance detection device for rigid-flex board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811210561.9A CN109490093B (en) | 2018-10-17 | 2018-10-17 | Bending angle performance detection device for rigid-flex board |
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| CN109490093A CN109490093A (en) | 2019-03-19 |
| CN109490093B true CN109490093B (en) | 2021-04-20 |
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| CN201811210561.9A Active CN109490093B (en) | 2018-10-17 | 2018-10-17 | Bending angle performance detection device for rigid-flex board |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950167A (en) * | 2019-03-28 | 2019-06-28 | 华南理工大学 | A kind of bending machine |
| CN113959872B (en) * | 2021-09-24 | 2024-04-12 | 安徽润象新材料科技有限公司 | Bending performance testing device for PET composite board |
| CN117647727B (en) * | 2024-01-30 | 2024-04-02 | 丰顺县锦顺科技有限公司 | Equipment for detecting PCB rigid circuit board |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2097938B (en) * | 1981-05-05 | 1985-04-11 | Standard Telephones Cables Ltd | Bending test for flexi-rigid printed circuit boards |
| JP4238774B2 (en) * | 2004-04-28 | 2009-03-18 | パナソニック株式会社 | Bending test apparatus and bending test method |
| CN2727727Y (en) * | 2004-08-30 | 2005-09-21 | 比亚迪股份有限公司 | Flexible wiring board bending machine |
| JP2008008742A (en) * | 2006-06-29 | 2008-01-17 | Toshiba Corp | Circuit deterioration testing device and circuit deterioration test method |
| CN200975965Y (en) * | 2006-12-02 | 2007-11-14 | 比亚迪股份有限公司 | Crib crimper for flexible printed circuit board |
| KR20100138889A (en) * | 2008-03-04 | 2010-12-31 | 신닛테츠가가쿠 가부시키가이샤 | Method of predicting bend lifetime of laminated body, prediction device of bend lifetime of laminated body, prediction program of bend lifetime of laminated body, and recording medium |
| JP2012098141A (en) * | 2010-11-02 | 2012-05-24 | Jx Nippon Mining & Metals Corp | Property evaluation method for flexible wiring board, and repeated bending test device |
| CN202002857U (en) * | 2010-12-24 | 2011-10-05 | 厦门顺拓电子有限公司 | Bending machine |
| KR20150073011A (en) * | 2013-12-20 | 2015-06-30 | 주식회사 포스코 | Evaluating apparatus for spring back |
| CN103743639A (en) * | 2013-12-26 | 2014-04-23 | 宝钢不锈钢有限公司 | Method for detecting bending fatigue property of welding connector and bending machine |
| CN104374657A (en) * | 2014-11-18 | 2015-02-25 | 苏州赛腾精密电子有限公司 | Swing bending testing mechanism |
| CN107631861A (en) * | 2017-08-28 | 2018-01-26 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus bends test equipment and system |
| CN107340181A (en) * | 2017-09-07 | 2017-11-10 | 台山市精诚达电路有限公司 | A kind of device for FPC bendings test |
| CN207396238U (en) * | 2017-11-16 | 2018-05-22 | 华中科技大学 | One kind determines angular distortion test machine for atomic layer deposition thin film fatigue |
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