CN107884273B - Synchronizer friction ring carbon fiber cloth peeling strength testing device and testing method - Google Patents
Synchronizer friction ring carbon fiber cloth peeling strength testing device and testing method Download PDFInfo
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- CN107884273B CN107884273B CN201711219293.2A CN201711219293A CN107884273B CN 107884273 B CN107884273 B CN 107884273B CN 201711219293 A CN201711219293 A CN 201711219293A CN 107884273 B CN107884273 B CN 107884273B
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- 238000012360 testing method Methods 0.000 title claims abstract description 102
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 76
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 76
- 239000004744 fabric Substances 0.000 title claims abstract description 76
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 6
- 238000007689 inspection Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007719 peel strength test Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- 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
- G01N2203/0058—Kind of property studied
- G01N2203/0091—Peeling or tearing
-
- 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
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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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)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a synchronizer friction ring carbon fiber cloth peeling strength testing device and a testing method, which belong to the technical field of synchronizer detection and comprise a base, a support, a mandrel fixing device, a guide rod, a carbon fiber cloth clamp and a stretching rope, wherein the support is positioned above the base and connected with the base; the upper end of the bracket is provided with a guide chute, the guide rod is arranged in the guide chute, when the electronic universal tester is used, one end of the stretching rope is connected with the carbon fiber cloth clamp, and the other end of the stretching rope bypasses the guide rod to be connected with the electronic universal tester; and the friction ring base part and the carbon fiber cloth are stripped by an electronic universal testing machine, the stripping strength is tested, and the working efficiency and the precision of the test result are improved.
Description
Technical Field
The invention relates to the technical field of synchronizer detection, in particular to a synchronizer friction ring carbon fiber cloth peeling strength testing device and a testing method.
Background
In the production of the synchronizer friction ring, carbon fiber cloth is generally required to be adhered to a base part of the synchronizer friction ring, and in order to ensure the use quality of the synchronizer friction ring, the adhesion strength between the base part and the carbon fiber cloth is required to be tested.
At present, the bonding strength of the carbon fiber cloth of the friction ring of the synchronizer and the base body part is checked, and the two modes are mainly adopted for matching, firstly, the carbon fiber cloth bonded on the friction ring is manually peeled, the peeling force is manually felt, the conditions of interface color and the like are judged, and secondly, the tensile shear strength test of the test piece is assisted.
The first method is that the inspection result is not visual by virtue of the working experience of the inspector, the experience requirement on the inspector is high, and the inspection result cannot be quantized; the test piece tensile shear strength test used in the second method is not used for testing friction ring products, and the damage mode is different from the stripping damage mode of separating the carbon fiber cloth from the friction ring matrix in the working process of the synchronizer, so that the test result cannot accurately reflect the connection strength of the matrix part and the carbon fiber cloth.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a synchronizer friction ring carbon fiber cloth peeling strength testing device and a synchronizer friction ring carbon fiber cloth peeling strength testing method, and the testing is efficient and accurate.
The invention is realized by the following technical scheme:
the synchronizer friction ring carbon fiber cloth peeling strength testing device comprises a base, a bracket, a mandrel fixing device, a guide rod, a carbon fiber cloth clamp and a stretching rope;
the support is positioned above the base and connected with the base, the mandrel fixing device is arranged on the support, the mandrel is arranged on the mandrel fixing device, and the mandrel is used for installing the synchronizer friction ring;
the upper end of support is provided with the direction spout, and the guide bar is installed in the direction spout, and during the use, the one end and the carbon fiber cloth clamp of tensile rope are connected, and the other end bypasses the guide bar and is connected with the electronic universal testing machine, and during the use, the synchronous ware friction ring is installed on the dabber, and the carbon fiber cloth clamp presss from both sides on the carbon fiber cloth on the synchronous ware friction ring.
Optionally, the mandrel fixing device includes a first center and a second center;
the first center and the second center are oppositely arranged, the first center and the second center are respectively arranged on two sides of the bracket, tapered holes are formed in two ends of the mandrel, and the tapered holes are respectively matched with the first center and the second center.
Optionally, a spring is arranged between the second center and the bracket, and when the mandrel is installed or detached, the spring is compressed to enable the second center to move, so that the mandrel is installed or detached.
Optionally, the bracket comprises an upper bracket and a lower bracket;
the upper bracket is connected with the lower bracket, the lower bracket is arranged on the base, and the upper end of the upper bracket is provided with a guide chute.
Optionally, the guide bar is provided with screw thread and nut, and when the use, when the guide bar adjustment is accomplished, the position of guide bar is fixed through screw thread and nut on the guide bar.
Optionally, the device also comprises a transverse guide rod, wherein the transverse guide rod is positioned above the mandrel, and two ends of the transverse guide rod are respectively connected with the bracket.
The testing method based on the synchronizer friction ring carbon fiber cloth peeling strength testing device provided by the invention comprises the following steps:
step one, mounting the synchronizer friction ring carbon fiber cloth peeling strength testing device in a testing position of an electronic universal testing machine, and fixing one end of a stretching rope on a pull rod of the electronic universal testing machine;
fixing the friction ring on the mandrel, manually stripping the tail end of the carbon fiber cloth, clamping the tail end of the carbon fiber cloth by using a carbon fiber cloth clamp, and adjusting the guide rod to enable the stretching rope to be perpendicular to the conical surface of the friction ring;
and step three, testing the peeling strength of the friction ring carbon fiber cloth by an electronic universal testing machine, and recording a test result.
Optionally, after the third step, the method further comprises the steps of counting the maximum stripping force and the average stripping force according to the test result, measuring the bonding width by using a vernier caliper, calculating the average stripping strength according to a formula, comparing the average stripping strength with a qualified strength interval, and judging whether the product is qualified or not.
Optionally, the test position of the electronic universal tester in the first step is in a constant temperature oven in the electronic universal tester.
Optionally, the third step is preceded by opening a constant temperature oven and heating to a set temperature.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention provides a synchronizer friction ring carbon fiber cloth peeling strength testing device which comprises a base, a bracket, a mandrel fixing device, a guide rod, a carbon fiber cloth clamp and a stretching rope, wherein the bracket is arranged on the base; the support is positioned above the base and connected with the base, the mandrel fixing device is arranged on the support, the mandrel is arranged on the mandrel fixing device, and the mandrel is used for installing the synchronizer friction ring; the upper end of the support is provided with a guide chute, the guide rod is arranged in the guide chute, and when the support is used, one end of the stretching rope is connected with the carbon fiber cloth clamp, and the other end of the stretching rope bypasses the guide rod to be connected with the electronic universal testing machine. The friction ring base body part and the carbon fiber cloth are stripped by lifting the pull rod of the electronic universal testing machine, the stripping strength is tested, the problems that the experience requirement on a tester is high and the working efficiency is low during manual testing in the prior art are solved, when the tensile shear strength of a test piece is tested, the friction ring product is not tested, the damage mode is different from the stripping damage mode of separating the carbon fiber cloth from the friction ring base body in the working process of the synchronizer, and the connection strength of the base body part and the carbon fiber cloth cannot be accurately reflected by the test result, so that the working efficiency and the precision of the test result are improved.
Further, a spring is arranged between the second center and the bracket, the second center is extruded when the mandrel is replaced, and the spring is compressed to take out the mandrel and put in a new mandrel so as to adapt to friction rings of different types.
According to the synchronizer friction ring carbon fiber cloth peeling strength testing method, the synchronizer friction ring carbon fiber cloth peeling strength testing device is used for testing, the problems that in the prior art, experience requirements on inspection staff are high and working efficiency is low in manual inspection are solved, friction ring products are not tested in test piece tensile shear strength testing, a breaking mode is different from a peeling breaking mode of separating carbon fiber cloth from a friction ring substrate in the working process of the synchronizer, a testing result cannot accurately reflect bonding strength of substrate parts and carbon fiber cloth, and working efficiency and accuracy of the testing result are improved.
Further, in the test, the synchronizer friction ring carbon fiber cloth peel strength testing device is placed in a constant temperature oven, and different temperatures can be set to test the peel strength of the friction ring base body part and the carbon fiber cloth at different temperatures.
Drawings
Fig. 1 is a schematic structural diagram of a synchronizer friction ring carbon fiber cloth peeling strength testing device according to an embodiment of the present invention.
In the figure: 1. the device comprises a base, a support, a mandrel fixing device, a friction ring, a carbon fiber cloth clamp, a stretching rope, a guide rod and a transverse guide rod, wherein the support is arranged on the base;
21. upper support, 22. Lower support, 41. First top, 42. Second top.
Detailed Description
The invention will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the invention.
Fig. 1 is a schematic structural diagram of a device for testing peel strength of carbon fiber cloth of a friction ring of a synchronizer, according to an embodiment of the present invention, as shown in fig. 1, the device for testing peel strength of carbon fiber cloth of a friction ring of a synchronizer includes: the device comprises a base 1, a bracket 2, a mandrel 3, a mandrel fixing device 4, a guide rod 8, a carbon fiber cloth clamp 6, a transverse guide rod 9 and a stretching rope 7;
the support 2 is positioned above the base 1 and connected with the base 1, the mandrel fixing device 4 is arranged on the support 2, the mandrel 3 is arranged on the mandrel fixing device 4, and the mandrel 3 is used for installing the synchronizer friction ring 5; the upper end of the bracket 2 is provided with a guide chute, a guide rod 8 is arranged in the guide chute, when the electronic universal tester is used, one end of a stretching rope 7 is connected with the carbon fiber cloth clamp 6, and the other end bypasses the guide rod 8 and is connected with the electronic universal tester; the transverse guide rod 9 is positioned above the mandrel 3, and two ends of the transverse guide rod are respectively connected with the bracket 2.
The connection mode of the mandrel 3 and the mandrel fixing device 4 is detachable connection, and the mandrel 3 can be replaced so as to adapt to friction rings 5 of different types.
The mandrel fixing device 4 comprises a first center 41 and a second center 42, the centers of the first center 41 and the second center 42 are oppositely arranged, the first center 41 and the second center 42 are respectively arranged on two sides of the support 2, tapered holes are formed in two ends of the mandrel 3 and are respectively matched with the first center 41 and the second center 42, a spring is arranged between the second center 42 and the support 2, and when the mandrel 3 is installed or detached, the spring is compressed, so that the second center 42 moves, and the mandrel 3 is installed or detached.
The support 2 comprises an upper support 21 and a lower support 22, the upper support 21 is connected with the lower support 22, the lower support 22 is arranged on the base 1, and a guide chute is arranged at the upper end of the upper support 21. The guide rod 8 is provided with threads and nuts, and when the guide rod 8 is adjusted, the guide rod 8 is fixed at the corresponding position of the guide chute through the threads and nuts on the guide rod 8.
The tensile rope 7 can be a metal rope, and the self gravity of the synchronizer friction ring carbon fiber cloth peeling strength testing device is used for guaranteeing the position of the friction ring during testing.
The invention provides a synchronizer friction ring carbon fiber cloth peeling strength testing device, which comprises the following points:
clamping the finished product of the friction ring 5: the corresponding mandrel 3 is designed aiming at the inner ring of the friction ring 5 of the main box synchronizer and the low-grade cone ring of the auxiliary box synchronizer, parts are fixed on the mandrel 3, and the mandrel 3 can be replaced to adapt to the friction rings 5 of different types, so that the universality of the detection device can be ensured, and the purposes of convenient production replacement and time and labor saving can be achieved;
statistics and calculation of test data: the synchronizer friction ring carbon fiber cloth peeling strength testing device tests that the carbon fiber cloth adhered to the friction ring 5 substrate is peeled off at 90 degrees at a certain temperature, the maximum peeling force and the average peeling force can be calculated by computer connection and recording of the peeling force curve, the width of the adhesive surface is measured, the peeling strength can be calculated, and the adhesive strength of the friction ring 5 carbon fiber cloth and the substrate is reflected;
peel strength test of parts at different temperatures: the testing device needs to be matched with the electronic universal testing machine and a computer connected with the same, and also needs to be installed in a constant-temperature oven, wherein the constant-temperature oven is equipment matched with the electronic universal testing machine, the installation and the disassembly of the device do not influence the use of the electronic universal testing machine, and the assembly and the disassembly in the constant-temperature oven are also convenient;
adapt to the tapering of friction ring 5, guarantee that the angle of peeling off is 90 degrees: because the friction ring 5 has a certain taper angle, in order to ensure that the 90-degree stripping angle is unchanged and the carbon fiber cloth is perpendicular to the contact section of the substrate, the device uses a guide rod 8 and a transverse guide rod 9. The friction ring 5 is fixed on the mandrel 3, the mandrel 3 rotates along with the center, and the position of the vertical guide rod 8 at the top of the fixing device is adjusted, so that the stretching direction of the carbon fiber cloth is vertical to the substrate of the friction ring 5 during peeling, and the peeling angle can be consistently ensured to be 90 degrees during stretching peeling in the test process; in the stretching stripping process, the carbon fiber cloth can rotate, so that the stripping position of the carbon fiber cloth and the conical ring matrix is not vertical to the end face of the conical ring, and the carbon fiber cloth and the section of the conical ring 5 matrix, which is close to the carbon fiber cloth, can be ensured to be vertical through a transverse guide rod 9, which is close to the friction ring 5 and is parallel to the conical surface, and is vertical to the end face of the friction ring 5. The position of the transverse guide rod 9 is adjustable, and friction rings 5 with different diameters and conicity can be used, so that the universality of the testing device is improved.
The equipment is used for testing the peeling strength, firstly, the test parts are subjected to spot check from batch production parts, and compared with the test of specially manufactured test pieces, the equipment has intuitiveness; second, compared with manual peeling, the equipment can quantify the peeling force and the bonding strength.
The invention provides a synchronizer friction ring carbon fiber cloth peeling strength testing method, which is based on the synchronizer friction ring carbon fiber cloth peeling strength testing device provided by the invention and comprises the following steps:
step one, mounting the synchronizer friction ring carbon fiber cloth peeling strength testing device according to any one of claims 1-6 at a testing position of an electronic universal testing machine, and fixing one end of a stretching rope 7 on a pull rod of the electronic universal testing machine;
fixing the friction ring 5 on the mandrel 3, manually stripping the tail end of the carbon fiber cloth, clamping the tail end of the carbon fiber cloth by using the carbon fiber cloth clamp 6, and adjusting the guide rod 8 to enable the stretching rope 7 to be perpendicular to the conical surface of the friction ring 5;
during installation, a proper mandrel 3 is selected according to the model and the size of the friction ring 5, when the guide rod 8 is adjusted, the conical surface of the friction ring 5, namely the stretching force during stretching, of the stretching rope 7 is perpendicular to the conical surface of the friction ring 5, and the guide rod 8 is adjusted in place and then nuts on the guide rod 8 are screwed.
And step three, testing the peeling strength of the friction ring carbon fiber cloth by an electronic universal testing machine, and recording a test result.
The specific mode for testing the peeling strength of the friction ring carbon fiber cloth is to start a constant temperature oven, heat the oven to a set temperature and then keep the temperature for 10 minutes. Starting an electronic universal testing machine, starting computer software, resetting data after connecting the testing machine, setting a test name, starting test and recording a stripping force-deformation curve, stopping testing when the tensile deformation exceeds 150mm, closing the oven and the electronic universal testing machine, and taking down the friction ring 5 test piece after the temperature is reduced to the room temperature.
Preferably, after the third step, the method further comprises the step of calculating the peeling strength by counting the maximum peeling force and the average peeling force according to the test result and comparing the calculated peeling strength with the qualified strength interval to judge whether the product is qualified or not.
When the peeling strength is within the qualified strength interval, the product is qualified, and when the peeling strength is outside the qualified strength interval, the product is unqualified.
The test position of the electronic universal tester in the first step is in a constant temperature oven in the electronic universal tester.
And step three, starting a constant temperature oven, and heating to a set temperature.
During testing, different temperatures can be set, and the peel strength of the friction ring base body part and the carbon fiber cloth at the different temperatures can be tested.
The embodiments described herein are to be construed as illustrative only and not limiting of the spirit of the invention, as modifications to the described embodiments, or the like, may occur to those skilled in the art without departing from the spirit of the invention.
Claims (4)
1. The synchronizer friction ring carbon fiber cloth peeling strength testing device is characterized by comprising a base (1), a bracket (2), a mandrel (3), a mandrel fixing device (4), a guide rod (8), a carbon fiber cloth clamp (6) and a stretching rope (7);
the support (2) is positioned above the base (1) and connected with the base (1), the mandrel fixing device (4) is arranged on the support (2), the mandrel (3) is arranged on the mandrel fixing device (4), and the mandrel (3) is used for installing the synchronizer friction ring (5);
the upper end of the bracket (2) is provided with a guide chute, a guide rod (8) is arranged in the guide chute, one end of a stretching rope (7) is connected with a carbon fiber cloth clamp (6) when the bracket is used, the other end of the stretching rope bypasses the guide rod (8) to be connected with an electronic universal testing machine, a synchronizer friction ring (5) is arranged on a mandrel (3) when the bracket is used, and the carbon fiber cloth clamp (6) is clamped on carbon fiber cloth on the synchronizer friction ring (5);
the mandrel fixing device (4) comprises a first center (41) and a second center (42);
the first center (41) and the second center (42) are oppositely arranged, the first center (41) and the second center (42) are respectively arranged on two sides of the bracket (2), tapered holes are formed in two ends of the mandrel (3), and the tapered holes are respectively matched with the first center (41) and the second center (42);
a spring is arranged between the second center (42) and the bracket (2), and when the mandrel (3) is installed or detached, the spring is compressed to enable the second center (42) to move, so that the mandrel (3) is installed or detached;
when the guide rod (8) is used, the position of the guide rod (8) is fixed through the threads and the nuts on the guide rod (8);
the device also comprises a transverse guide rod (9), wherein the transverse guide rod (9) is positioned above the mandrel (3), and two ends of the transverse guide rod are respectively connected with the bracket (2).
2. The synchronizer friction ring carbon fiber cloth peeling strength testing device according to claim 1, wherein the bracket (2) comprises an upper bracket (21) and a lower bracket (22);
the upper support (21) is connected with the lower support (22), the lower support (22) is arranged on the base (1), and a guide chute is arranged at the upper end of the upper support (21).
3. The testing method based on the synchronizer friction ring carbon fiber cloth peeling strength testing device according to any one of claims 1 to 2, characterized by comprising the following steps:
step one, mounting the synchronizer friction ring carbon fiber cloth peeling strength testing device at a testing position of an electronic universal testing machine, and fixing one end of a stretching rope (7) on a pull rod of the electronic universal testing machine;
fixing the friction ring (5) on the mandrel (3), manually stripping the tail end of the carbon fiber cloth, clamping the tail end of the carbon fiber cloth by using the carbon fiber cloth clamp (6), and adjusting the guide rod (8) to enable the stretching rope (7) to be perpendicular to the conical surface of the friction ring (5);
step three, testing the peeling strength of the friction ring carbon fiber cloth by an electronic universal testing machine, and recording a test result;
the third step also comprises the steps of counting the maximum stripping force and the average stripping force according to the test result, calculating the stripping strength, comparing with a qualified strength interval, and judging whether the product is qualified or not;
the test position of the electronic universal tester in the first step is in a constant temperature oven in the electronic universal tester.
4. A method according to claim 3, further comprising, prior to step three, opening a thermostatic oven, and heating to a set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219293.2A CN107884273B (en) | 2017-11-28 | 2017-11-28 | Synchronizer friction ring carbon fiber cloth peeling strength testing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219293.2A CN107884273B (en) | 2017-11-28 | 2017-11-28 | Synchronizer friction ring carbon fiber cloth peeling strength testing device and testing method |
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| Publication Number | Publication Date |
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| CN107884273A CN107884273A (en) | 2018-04-06 |
| CN107884273B true CN107884273B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711219293.2A Active CN107884273B (en) | 2017-11-28 | 2017-11-28 | Synchronizer friction ring carbon fiber cloth peeling strength testing device and testing method |
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| US5596133A (en) * | 1995-08-23 | 1997-01-21 | The United States Of America As Represented By The Secretary Of The Navy | Rotating peel fixture |
| CN201803898U (en) * | 2010-09-01 | 2011-04-20 | 麦可罗泰克（常州）产品服务有限公司 | Tension measuring fixture |
| CN205802642U (en) * | 2016-06-20 | 2016-12-14 | 神华集团有限责任公司 | Electric cable wrapping machine |
| CN206420713U (en) * | 2016-12-27 | 2017-08-18 | 广州广电计量检测股份有限公司 | One kind is used for the dynamic pull-out test device of the outer gluing nameplate label of vehicle body |
| CN107132012A (en) * | 2017-06-19 | 2017-09-05 | 延锋彼欧（沈阳）汽车外饰系统有限公司 | A kind of pulling capacity test fixture |
| CN207540887U (en) * | 2017-11-28 | 2018-06-26 | 陕西法士特汽车传动集团有限责任公司 | Friction ring for synchronizer carbon cloth peel strength testing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7100419B2 (en) * | 2002-12-04 | 2006-09-05 | Kimberly-Clark Worldwide, Inc. | Method for simulating a dynamic force response and method of calibration |
| US7628066B2 (en) * | 2007-02-22 | 2009-12-08 | Ethicon, Inc. | Apparatus and method for evaluating peel adhesion |
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2017
- 2017-11-28 CN CN201711219293.2A patent/CN107884273B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5596133A (en) * | 1995-08-23 | 1997-01-21 | The United States Of America As Represented By The Secretary Of The Navy | Rotating peel fixture |
| CN201803898U (en) * | 2010-09-01 | 2011-04-20 | 麦可罗泰克（常州）产品服务有限公司 | Tension measuring fixture |
| CN205802642U (en) * | 2016-06-20 | 2016-12-14 | 神华集团有限责任公司 | Electric cable wrapping machine |
| CN206420713U (en) * | 2016-12-27 | 2017-08-18 | 广州广电计量检测股份有限公司 | One kind is used for the dynamic pull-out test device of the outer gluing nameplate label of vehicle body |
| CN107132012A (en) * | 2017-06-19 | 2017-09-05 | 延锋彼欧（沈阳）汽车外饰系统有限公司 | A kind of pulling capacity test fixture |
| CN207540887U (en) * | 2017-11-28 | 2018-06-26 | 陕西法士特汽车传动集团有限责任公司 | Friction ring for synchronizer carbon cloth peel strength testing device |
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| CN107884273A (en) | 2018-04-06 |
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