CN112858070A - Wear resistance testing device for automobile part die - Google Patents
Wear resistance testing device for automobile part die Download PDFInfo
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- CN112858070A CN112858070A CN202110062971.9A CN202110062971A CN112858070A CN 112858070 A CN112858070 A CN 112858070A CN 202110062971 A CN202110062971 A CN 202110062971A CN 112858070 A CN112858070 A CN 112858070A
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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
- G01N3/56—Investigating resistance to wear or abrasion
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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
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Abstract
The invention discloses a wear-resisting property testing device for an automobile part die, which comprises a base and a testing device arranged on the base, wherein the testing device comprises a testing head and a testing head; the testing device comprises a mounting frame, a grinding wheel assembly and a driving assembly; a groove capable of accommodating a plurality of male dies is formed in the lower side of the mounting frame, and the grinding wheel assembly comprises a plurality of grinding wheels, a fixing structure and a transmission assembly; a V-shaped groove is formed in the wheel surface of the grinding wheel, and the plurality of grinding wheels correspond to the plurality of male dies one by one; the testing device can be provided with four male dies, can test the wear resistance of the four male dies simultaneously, and has higher efficiency compared with the single test in the prior art; compared with a fixed grinding block adopted in the prior art, the grinding wheel assembly can effectively reduce the times of replacing modules and improve the testing efficiency.
Description
Technical Field
The invention relates to a wear-resisting property testing device for an automobile part die.
Background
Along with the rapid growth of the domestic automobile market, the competition is intensified, the average service life of a new automobile model is shortened from 5-6 years to 2-3 years, and the method provides unprecedented challenge and opportunity for manufacturing automobile molds. The development period of the whole set of automobile mould is about 1 year generally, and the cost is high; however, the new model is only partially changed a little on the basis of the previous model of the same series; and the mould is the essential basic process equipment for industrial production, and is called as the 'industrial mother'; the service life of the die is increasingly outstanding, and the die with high wear resistance, long service life, high precision, high temperature resistance and corrosion and oxidation resistance is the most important factor in the development of the die manufacturing industry; the conventional heat treatment can only ensure that the matrix of the die obtains good obdurability, and the surface strengthening technology can ensure that the surface of the die has super-strong performances of high strength, high hardness, wear resistance, corrosion resistance, heat resistance, occlusion resistance and the like; when the die works, the die mainly depends on the surface performance of a working part, so that the surface modification is adopted, the defects of the strength, the surface performance and the like of the die material can be made up, the requirements of the die processing performance and the service life improvement can be met, the production cost can be reduced, and the potential of the material can be fully exerted;
it is worth mentioning that the electron beam heat treatment is a new technology of surface quenching by using electron beam heating with high energy density; the electron beam is the electron emitted by an electron gun, is accelerated by a high-voltage annular anode and is focused into a beam, so that the electron beam strikes the metal surface to achieve the heating effect; it can be expected that the original automobile mold can be remanufactured into a mold of a new automobile type by performing local cladding treatment on the original automobile mold by using an electron beam cladding technology, so that the development time of the mold of the new automobile type is greatly shortened, and a large amount of development cost is saved. The high-performance surface can be manufactured on a low-cost metal matrix by using an electron beam cladding technology, so that a large amount of high-grade alloy can be replaced, precious and rare metal materials are saved, the performance of a base material is improved, the energy consumption is reduced, the method is very suitable for remanufacturing a die which is locally easy to wear, impact, corrode and oxidize, and has wide development space and application prospect; however, to date, the application of electron beam remanufacturing technology for molds based on electron beam cladding has been small in the industry; one of the main limiting factors is that the electron beam coated alloy powder is single (mainly iron-based, nickel-based and cobalt-based at present) and is difficult to meet the requirement of industrial production; the conventional materials for electron beam cladding are mainly materials used in a thermal spray welding or thermal spray coating process at present, and a cladding material special for an electron beam cladding technology is not developed yet, compared with the thermal spray welding and the thermal spray coating technology, the electron beam cladding technology has great difference in energy input, processing characteristics, combination modes and the like, so that the commonly adopted cladding alloy powder has poor toughness and is easy to generate brittle cracks, and therefore the cladding material special for the electron beam cladding technology needs to be developed;
in the process of developing a cladding material specific to an electron beam cladding technology, a plurality of alloy powders consisting of different components need to be tested, and the test mode is as follows: alloy powder with different components is cladded on a male die of a die through an electron beam cladding technology, and the wear resistance of the male die is tested through simulating stamping action, so that a die wear resistance testing device needs to be designed for testing, and a high-quality cladding material is screened out through a testing result.
Disclosure of Invention
The invention provides a wear resistance testing device for an automobile part die, which can solve the problem that the wear resistance testing device in the prior art cannot simultaneously test the wear resistance of a plurality of male dies.
A wear resistance testing device for an automobile part die comprises a base and a testing device arranged on the base; the test device includes:
the lower side of the mounting frame is provided with a groove capable of accommodating a plurality of male dies, the side wall of the mounting frame is further in threaded connection with a fastener for fixing the male dies, and the base is further provided with a guide assembly connected with the mounting frame;
the grinding wheel assembly comprises a plurality of grinding wheels rotatably arranged on the upper side of the base, a fixing structure for fixing the grinding wheels and a transmission assembly; a V-shaped groove is formed in the wheel surface of the grinding wheel, and the plurality of grinding wheels correspond to the plurality of male dies one by one; and
the driving assembly comprises a supporting frame fixedly connected to the base and a hydraulic cylinder fixedly mounted on the supporting frame, and the output end of the hydraulic cylinder is connected with the mounting frame;
the driving assembly can push the mounting frame to move downwards and enable the male die to be in contact with the wall of the V-shaped groove;
the mounting bracket can drive the grinding wheel to rotate through the transmission assembly in the downward moving process.
Preferably, the guide assembly comprises a plurality of guide cylinders arranged on the base, a first return spring arranged in the guide cylinders and a guide rod capable of axially moving along the guide cylinders;
the guide rod is connected to the lower side of the mounting rack;
one end of the first reset spring is connected with the guide rod, and the other end of the first reset spring is connected to the bottom of the guide cylinder.
Preferably, the fixing structure comprises a push plate and a second return spring;
a cavity is formed in the base, a second reset spring is installed in the cavity, one end of the push plate is located in the cavity, and the other end of the push plate is abutted to the central shaft of the grinding wheel under the action of the second reset spring.
Preferably, the transmission assembly comprises:
the first rotating shaft is rotatably arranged in the cavity and is in transmission connection with a central shaft of the grinding wheel through a belt transmission mechanism; a ratchet wheel is further mounted at the end of the first rotating shaft;
the second rotating shaft is rotatably arranged in the cavity, and the axis of the second rotating shaft is superposed with the axis of the first rotating shaft; a pawl and a gear are mounted on the second rotating shaft, and the pawl and the ratchet can form a ratchet mechanism; and
a rack plate which is arranged in the cavity and is meshed with the gear;
a third return spring is arranged in the cavity and is positioned at the lower side of the rack plate;
the bottom of the push plate and the top of the rack plate are respectively connected with a first connecting plate and a second connecting plate, and the first connecting plate is positioned above the second connecting plate;
the guide cylinder is communicated with the cavity through a through hole;
when the mounting frame moves downwards, the guide rod can push the first connecting plate to abut against the second connecting plate.
Preferably, a plurality of clamping teeth are circumferentially and uniformly arranged on the shaft side surface of the central shaft of the grinding wheel, and a plurality of clamping grooves matched with the clamping teeth are formed in the top of the push plate.
Compared with the prior art, the invention has the beneficial effects that: the testing device can be provided with four male dies, can test the wear resistance of the four male dies simultaneously, and has higher efficiency compared with the single test in the prior art;
compared with the fixed grinding block adopted in the prior art, the grinding wheel assembly can effectively reduce the times of module replacement and improve the test efficiency;
still be equipped with drive assembly, drive assembly can let the emery wheel rotate certain angle when the mounting bracket descends to avoid this condition of the long-time contact of certain position of terrace die and emery wheel to take place, can let the every turn of terrace die go up and down the homoenergetic enough to obtain effective friction, thereby improve test effect, shorten test time.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the transmission assembly of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 in accordance with the present invention;
FIG. 4 is a cross-sectional view of a mount of the present invention;
figure 5 is a top view of the grinding wheel assembly of the present invention.
Description of reference numerals:
1. the device comprises a base, 2, a mounting frame, 3, a male die, 4, a bolt, 5, a grinding wheel, 6, a support frame, 7, a hydraulic cylinder, 8, a guide cylinder, 9, a first return spring, 10, a guide rod, 11, a push plate, 12, a second return spring, 13, a latch, 14, a belt transmission mechanism, 21, a first rotating shaft, 22, a ratchet, 23, a second rotating shaft, 24, a pawl, 25, a gear, 26, a rack plate, 27, a third return spring, 28, a first connecting plate, 29 and a second connecting plate.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1 to 5, an embodiment of the invention provides a wear resistance testing device for an automobile part mold, which includes a base 1 and a testing device installed on the base 1; as shown in fig. 1, the test apparatus includes:
the lower side of the mounting frame 2 is provided with a groove capable of accommodating a plurality of male dies 3, the side wall of the mounting frame 2 is further in threaded connection with a fastener for fixing the male dies 3, and the base 1 is further provided with a guide assembly connected with the mounting frame 2; the fastener may be a bolt 4;
as shown in fig. 4, four male dies 3 are mounted in the groove, a backing plate is further arranged in the groove, and the end of the bolt 4 can push the backing plate to abut against the male dies 3 by rotating the bolt 4, so that the purpose of fixing the male dies 3 is achieved;
as shown in fig. 1, the male die 3 is a square cylinder, a ring groove is formed in the square cylinder, before a wear resistance test is performed, alloy powder is cladded on a portion, below the ring groove, of the male die 3 by adopting an electron beam cladding technology, and then the male die 3 is mounted on the mounting frame 2;
a grinding wheel assembly comprising a plurality of grinding wheels 5 rotatably disposed on an upper side of the base 1, a fixing structure for fixing the grinding wheels 5, and a transmission assembly; a V-shaped groove is formed in the wheel surface of the grinding wheel 5, and the plurality of grinding wheels 5 correspond to the plurality of male dies 3 one by one; and
the driving assembly comprises a supporting frame 6 fixedly connected to the base 1 and a hydraulic cylinder 7 fixedly installed on the supporting frame 6, and the output end of the hydraulic cylinder 7 is connected with the mounting frame 2;
the wall of the V-shaped groove is a rough surface;
the driving component can push the mounting frame 2 to move downwards and enable the male die 3 to be in contact with the wall of the V-shaped groove;
the mounting frame 2 can drive the grinding wheel 5 to rotate through the transmission assembly in the process of moving downwards;
the grinding wheel assembly is adopted, so that the friction surface which is used for being in contact with the side surface of the male die can be conveniently replaced, and a good friction effect is kept;
the guide assembly comprises a plurality of guide cylinders 8 arranged on the base 1, a first return spring 9 arranged in the guide cylinders 8 and a guide rod 10 capable of moving along the guide cylinders 8 in the axial direction;
the guide assembly plays a role in guiding and can ensure that the grinding wheel 5 is in contact with the wall of the V-shaped groove;
the guide rod 10 is connected to the lower side of the mounting frame 2;
one end of the first return spring 9 is connected with the guide rod 10, and the other end of the first return spring is connected to the bottom of the guide cylinder 8;
as shown in fig. 3, the fixing structure comprises a push plate 11 and a second return spring 12;
a cavity is formed in the base 1, the second return spring 12 is installed in the cavity, one end of the push plate 11 is located in the cavity, and the other end of the push plate is abutted against the central shaft of the grinding wheel 5 under the action of the second return spring 12;
in order to further improve the fixing effect, a plurality of clamping teeth 13 are circumferentially and uniformly arranged on the axial side surface of the central shaft of the grinding wheel 5, the clamping teeth 13 and the central shaft of the grinding wheel 5 are of an integral structure, a plurality of clamping grooves are formed in the top of the push plate 11, and the clamping grooves are matched with the clamping teeth 13, so that the grinding wheel 5 can be prevented from rotating when contacting with the male die 3;
as shown in fig. 3, the transmission assembly includes:
the first rotating shaft 21 is rotatably arranged in the cavity, and the first rotating shaft 21 is in transmission connection with the central shaft of the grinding wheel 5 through a belt transmission mechanism 14; a ratchet wheel 22 is further mounted at the end part of the first rotating shaft 21;
the belt transmission mechanism is an existing transmission mechanism, so that details are not described herein, and is mainly used for transmitting the rotation of the first rotating shaft 21 to the central shaft of the grinding wheel 5, so that the grinding wheel 5 rotates, in order to fully utilize the grinding wheel 5, the mounting frame 2 is lowered once per liter, the rotation angle of the grinding wheel 5 is preferably 1 degree, and the transmission ratio of the first rotating shaft 21 to the central shaft of the grinding wheel 5 can be adjusted by adding a speed change gear set (not shown in the figure) to the rotation angle of each rotation;
the second rotating shaft 23 is rotatably arranged in the cavity, and the axis of the second rotating shaft 23 is superposed with the axis of the first rotating shaft 21; a pawl 24 and a gear 25 are mounted on the second rotating shaft 23, and the pawl 24 and the ratchet wheel 22 can form a ratchet mechanism; and
a rack plate 26 disposed in the cavity and engaged with the gear 25;
the ratchet mechanism is an existing mechanism and is not described herein; the ratchet mechanism is adopted for the purpose that the grinding wheel 5 can rotate in the descending process of the mounting frame 2 and the grinding wheel 5 is not driven to rotate when the mounting frame ascends;
a third return spring 27 is arranged in the cavity, and the third return spring 27 is positioned at the lower side of the rack plate 26;
the bottom of the push plate 11 and the top of the rack plate 26 are respectively connected with a first connecting plate 28 and a second connecting plate 29, and the first connecting plate 28 is positioned above the second connecting plate 29;
the guide cylinder 8 is communicated with the cavity through a through hole;
when the mounting frame 2 moves downwards, the guide rod 10 can push the first connecting plate 28 to abut against the second connecting plate 29;
the driving assembly pushes the mounting frame 2 to descend, the guide rod 10 descends along with the mounting frame 2, the bottom end of the guide rod 10 firstly collides with the first connecting plate 28, so that the push plate is not collided with the latch 13 any more, namely, the contact is fixed on the grinding wheel 5, then the guide rod 10 pushes the first connecting plate 28 to collide with the second connecting plate 29, the rack plate 26 drives the gear 25 to rotate, and the grinding wheel 5 is rotated under the action of the driving assembly.
The working principle is as follows: when the device is used, an operator installs the four male dies 3 cladded with alloy powder with different components on the mounting frame 2 and then starts the hydraulic cylinder 7 to reciprocate up and down;
in the process that the hydraulic cylinder 7 pushes the mounting frame 2 to move downwards, the male die 3 is changed from being in contact with the grinding wheel 5 to being out of contact (an annular groove is formed in the male die 3), when the male die 3 is not in contact with the grinding wheel 5, the bottom end of the guide rod 10 just abuts against the first connecting plate 28, the guide rod 10 pushes the first connecting plate 28 to move downwards, the push plate 11 is separated from the central shaft of the grinding wheel 5, namely the grinding wheel 5 is released from being fixed, then the guide rod 10 pushes the first connecting plate 28 to abut against the second connecting plate 29, the rack plate 26 descends to drive the gear 25 to rotate and the second rotating shaft 23 to rotate, the second rotating shaft 23 drives the first rotating shaft 21 to rotate under the transmission of the ratchet mechanism, and the first rotating shaft 21 drives the grinding wheel 5; then the hydraulic cylinder 7 drives the mounting frame 2 to move upwards, the guide rod 10, the first connecting plate 28 and the second connecting plate 29 are separated under the action of the return spring, the push plate 11 props against the wheel shaft of the grinding wheel 5 again to fix the grinding wheel 5, and then the male die 3 is in frictional contact with the rotated grinding wheel 5;
the hydraulic cylinder 7 pushes the mounting frame 2 to reciprocate up and down, so that the side face of the male die 3 is in friction contact with the groove wall of the V-shaped groove of the grinding wheel 5, the purpose of simulating the punching work of the male die 3 is achieved, after a certain working time is reached, the hydraulic cylinder 7 is closed, and the four male dies 3 are taken down.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (5)
1. The wear-resisting property testing device for the automobile part die is characterized by comprising a base and a testing device arranged on the base; the test device includes:
the lower side of the mounting frame is provided with a groove capable of accommodating a plurality of male dies, the side wall of the mounting frame is further in threaded connection with a fastener for fixing the male dies, and the base is further provided with a guide assembly connected with the mounting frame;
the grinding wheel assembly comprises a plurality of grinding wheels rotatably arranged on the upper side of the base, a fixing structure for fixing the grinding wheels and a transmission assembly; a V-shaped groove is formed in the wheel surface of the grinding wheel, and the plurality of grinding wheels correspond to the plurality of male dies one by one; and
the driving assembly comprises a supporting frame fixedly connected to the base and a hydraulic cylinder fixedly mounted on the supporting frame, and the output end of the hydraulic cylinder is connected with the mounting frame;
the driving assembly can push the mounting frame to move downwards and enable the male die to be in contact with the wall of the V-shaped groove;
the mounting bracket can drive the grinding wheel to rotate through the transmission assembly in the downward moving process.
2. The apparatus for testing wear resistance of an automobile part mold according to claim 1, wherein the guide assembly includes a plurality of guide cylinders mounted on the base, a first return spring disposed in the guide cylinders, and a guide rod axially movable along the guide cylinders;
the guide rod is connected to the lower side of the mounting rack;
one end of the first reset spring is connected with the guide rod, and the other end of the first reset spring is connected to the bottom of the guide cylinder.
3. The apparatus for testing wear resistance of automobile part molds according to claim 1, wherein the fixing structure comprises a push plate and a second return spring;
a cavity is formed in the base, a second reset spring is installed in the cavity, one end of the push plate is located in the cavity, and the other end of the push plate is abutted to the central shaft of the grinding wheel under the action of the second reset spring.
4. The apparatus for testing wear resistance of an automobile part mold as set forth in claim 3, wherein the transmission assembly comprises:
the first rotating shaft is rotatably arranged in the cavity and is in transmission connection with a central shaft of the grinding wheel through a belt transmission mechanism; a ratchet wheel is further mounted at the end of the first rotating shaft;
the second rotating shaft is rotatably arranged in the cavity, and the axis of the second rotating shaft is superposed with the axis of the first rotating shaft; a pawl and a gear are mounted on the second rotating shaft, and the pawl and the ratchet can form a ratchet mechanism; and
a rack plate which is arranged in the cavity and is meshed with the gear;
a third return spring is arranged in the cavity and is positioned at the lower side of the rack plate;
the bottom of the push plate and the top of the rack plate are respectively connected with a first connecting plate and a second connecting plate, and the first connecting plate is positioned above the second connecting plate;
the guide cylinder is communicated with the cavity through a through hole;
when the mounting frame moves downwards, the guide rod can push the first connecting plate to abut against the second connecting plate.
5. The apparatus according to claim 3, wherein a plurality of teeth are circumferentially and uniformly provided on a side surface of the central shaft of the grinding wheel, and a plurality of engaging grooves capable of engaging with the teeth are provided on a top of the pushing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062971.9A CN112858070B (en) | 2021-01-18 | 2021-01-18 | Wear resistance testing device for automobile part die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110062971.9A CN112858070B (en) | 2021-01-18 | 2021-01-18 | Wear resistance testing device for automobile part die |
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| CN112858070A true CN112858070A (en) | 2021-05-28 |
| CN112858070B CN112858070B (en) | 2021-08-10 |
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| CN202110062971.9A Active CN112858070B (en) | 2021-01-18 | 2021-01-18 | Wear resistance testing device for automobile part die |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340740A (en) * | 2021-06-02 | 2021-09-03 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN114459932A (en) * | 2021-12-30 | 2022-05-10 | 广东省科学院新材料研究所 | Multifunctional friction wear machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2477432A (en) * | 2011-02-01 | 2011-08-03 | Mecpart S R L | Roller compactor integrated to a wheel track machine for laboratory tests on bituminous mixes |
| JP2014153253A (en) * | 2013-02-12 | 2014-08-25 | Kobe Steel Ltd | Method for evaluating adhesion resistance of mold |
| CN104089840A (en) * | 2014-06-10 | 2014-10-08 | 华晨汽车集团控股有限公司 | Testing device for friction wear property of automobile stamping die material |
| CN104655511A (en) * | 2015-03-13 | 2015-05-27 | 南京林业大学 | Multifunctional friction wear testing machine |
| CN108225957A (en) * | 2017-12-28 | 2018-06-29 | 苏州朦井纺织科技有限公司 | A kind of wear-resisting detection device of leather and fur products |
| CN207923638U (en) * | 2018-03-26 | 2018-09-28 | 中铁工程装备集团有限公司 | A kind of replaceable cutterhead large circle tunneling boring wear detector of normal pressure |
| CN209911161U (en) * | 2019-05-13 | 2020-01-07 | 汶上海纬机车配件有限公司 | Wear-resisting detection device of motor car axle dress brake disc |
| CN111307641A (en) * | 2020-04-08 | 2020-06-19 | 武汉城市职业学院 | Wear-resisting detection device of auto-parts |
-
2021
- 2021-01-18 CN CN202110062971.9A patent/CN112858070B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2477432A (en) * | 2011-02-01 | 2011-08-03 | Mecpart S R L | Roller compactor integrated to a wheel track machine for laboratory tests on bituminous mixes |
| JP2014153253A (en) * | 2013-02-12 | 2014-08-25 | Kobe Steel Ltd | Method for evaluating adhesion resistance of mold |
| CN104089840A (en) * | 2014-06-10 | 2014-10-08 | 华晨汽车集团控股有限公司 | Testing device for friction wear property of automobile stamping die material |
| CN104655511A (en) * | 2015-03-13 | 2015-05-27 | 南京林业大学 | Multifunctional friction wear testing machine |
| CN108225957A (en) * | 2017-12-28 | 2018-06-29 | 苏州朦井纺织科技有限公司 | A kind of wear-resisting detection device of leather and fur products |
| CN207923638U (en) * | 2018-03-26 | 2018-09-28 | 中铁工程装备集团有限公司 | A kind of replaceable cutterhead large circle tunneling boring wear detector of normal pressure |
| CN209911161U (en) * | 2019-05-13 | 2020-01-07 | 汶上海纬机车配件有限公司 | Wear-resisting detection device of motor car axle dress brake disc |
| CN111307641A (en) * | 2020-04-08 | 2020-06-19 | 武汉城市职业学院 | Wear-resisting detection device of auto-parts |
Non-Patent Citations (2)
| Title |
|---|
| 冯源 等: "车身冲压模具磨损特性试验机的误差模型与分析", 《机械设计》 * |
| 谢晖 等: "基于正交试验的不锈钢冲压模具磨损分析及优化", 《锻压技术》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113340740A (en) * | 2021-06-02 | 2021-09-03 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN113340740B (en) * | 2021-06-02 | 2021-12-21 | 徐州海瑞电动车科技有限公司 | Pressure-bearing test bench for hub of electric vehicle |
| CN114459932A (en) * | 2021-12-30 | 2022-05-10 | 广东省科学院新材料研究所 | Multifunctional friction wear machine |
| CN114459932B (en) * | 2021-12-30 | 2022-11-04 | 广东省科学院新材料研究所 | Multifunctional friction wear machine |
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| CN112858070B (en) | 2021-08-10 |
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