CN107179252A - One kind becomes the typical friction pair skimming wear experimental machine of gravity orientation and test method - Google Patents

One kind becomes the typical friction pair skimming wear experimental machine of gravity orientation and test method Download PDF

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Publication number
CN107179252A
CN107179252A CN201710221046.XA CN201710221046A CN107179252A CN 107179252 A CN107179252 A CN 107179252A CN 201710221046 A CN201710221046 A CN 201710221046A CN 107179252 A CN107179252 A CN 107179252A
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China
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sample
friction
movable
vacuum tank
fixed
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CN201710221046.XA
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Chinese (zh)
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CN107179252B (en
Inventor
屈盛官
段勇
赖福强
李小强
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华南理工大学
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/32Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
    • G01N3/34Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • G01N3/04Chucks
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/56Investigating resistance to wear or abrasion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0005Repeated or cyclic

Abstract

Become the typical friction pair skimming wear experimental machine of gravity orientation and test method the invention discloses one kind, wherein, one kind becomes the typical friction pair skimming wear experimental machine of gravity orientation, include the friction force sensor of support, vacuum tank, index dial, load maintainer, specimen holder, test sample clamping mechanism and frictional force size during for detecting fixed sample and the friction of movable sample, vacuum tank is installed on support by index dial, and specimen holder and test sample clamping mechanism are installed in vacuum tank.The present invention can accurately measure the change of the different lower typical case's friction friction forces of gravity orientation in vacuum environment, and influence of the analysis gravitational effect to abrasion can also measure the influence that alternate load is worn and torn to typical friction pair.

Description

One kind becomes the typical friction pair skimming wear experimental machine of gravity orientation and test method
Technical field
The present invention relates to a kind of gravity tribological field, and in particular to one kind becomes the typical friction pair skimming wear of gravity orientation Experimental machine and test method.
Background technology
With the development of China's aerospace industry, various space mechanisms are more and more applied to space and put into practice, space mechanism Mainly influenceed for a long time by environmental factors such as microgravity, high vacuum, alternating temperature-changing, radiation during one's term of military service in space.For Gao Zhen The research of the environmental factors such as sky, alternating temperature-changing, radiation is more extensive, and takes effective safeguard procedures.Gravity is made It is ubiquitous on the ground for a kind of body force, and have clear and definite direction action.The disappearance of gravitational effect, Shi Bizao in space Changed into mechanical environment residing for the machine of space.
The influence that gravitational effect is worn and torn to space mechanism and movable part is studied, the abrasion machine of mechanism under space environment is probed into Reason, to solving the problems, such as all kinds of permanently effective military services of Complex Spacecraft system, the technical and economic performance for improving all kinds of space mechanisms refers to Mark, and engineer applied, technical perfection and theoretical developments of China's aerospace industry in space mechanism field have it is highly important Meaning.
Current microgravity environment ground simulation experiment method mainly has tower method, parabolic flight method, water float glass process, hang spring counterweight Method, air floating platform etc..Although fall Ta Fa and aircraft parabolic flight can more real stimulated microgravity, its time is short, Space is small, limited to mechanism research usage range.Simulated microgravity ring when though water float glass process, hang spring counterweight method, air floating platform can be long Border, but authenticity is poor.Because the existing simulated test means such as tank, suspention, air supporting do not simply fail to solve complicated track Three-dimensional motion ground simulation problem, and because rope is flexible, in equipment resistance, the movement inertia of big quality mechanism such as friction etc. because Element so that its validity is unsatisfactory.
The content of the invention
For technical problem present in prior art, the purpose of the present invention is:A kind of change gravity orientation typical case is provided to rub Wipe secondary skimming wear experimental machine.
Another object of the present invention is:A kind of gravity that becomes is provided and is orientated typical friction pair sliding wear testing method.
The purpose of the present invention is achieved through the following technical solutions:One kind becomes the typical friction pair skimming wear experiment of gravity orientation Machine, including support, vacuum tank, index dial, load maintainer, specimen holder, test sample clamping mechanism and for detecting fixed sample The friction force sensor of frictional force size when being rubbed with movable sample, vacuum tank is installed on support by index dial, sample Fixture and test sample clamping mechanism are installed in vacuum tank;
Specimen holder includes clamping bracket, chuck, loading axis and the upper grip that sample is fixed for clamping, and chuck is fixed In on clamping bracket, loading axis is connected in chuck, and upper grip is connected to loading axis bottom, and load maintainer is connected with loading axis;
The sample installing plate and driving sample installing plate that test sample clamping mechanism includes being used for fixed movable sample are relatively solid Determine sample and move back and forth the sample drive device for making to fix sample and movable sample generation friction.
It is preferred that, the sample drive device includes guide rail, sliding block and drive mechanism, and sample installing plate is fixed with sliding block Connection, sliding block is engaged with guide rail, and drive mechanism is connected with sample installing plate.
It is preferred that, the drive mechanism includes motor, gear and rack, and rack is installed on sample installing plate, gear It is fixed on the output shaft of motor, wheel and rack is meshed.
It is preferred that, the clamping bracket includes movable installation board, connection sliding block and slide rail, and movable installation board is with being connected cunning Block is fixedly connected, and connection sliding block is connected with slide rail, and the induction end of friction force sensor is in contact with movable installation board.
It is preferred that, the load maintainer includes electric cylinder, thrust bearing, thrust bearing mounting seat, spring, spring and installed Seat, pressure sensor and force block, electric cylinder are connected with thrust bearing mounting seat, and thrust bearing is installed on thrust bearing installation In seat, both ends of the spring is connected with thrust bearing mounting seat and spring mounting seat respectively, and pressure sensor is installed on spring mounting seat On, force block is in contact with pressure sensor, and force block is connected with loading axis.
It is preferred that, the face of the force block and pressure sensor contacts is sphere.
It is preferred that, the load maintainer also includes loading support frame, and loading support frame includes support column and supporting plate, branch Threaded connection post is provided with dagger, support column is fixed in vacuum tank, and supporting plate is connected through a screw thread post and is connected to support column Top, load maintainer is arranged in supporting plate.
It is preferred that, the friction force sensor is two, and two friction force sensors are axially disposed within activity along index dial Installing plate both sides.
One kind becomes the typical friction pair sliding wear testing method of gravity orientation, comprises the following steps:
Vacuum tank is vacuumized, and adjustment index dial makes vacuum tank be in level or required angle of inclination, and load maintainer is to examination Sample fixture applies pressure;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, in fixed sample and movable sample friction process, frictional force sensing Frictional force size when the fixed sample of device detection and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
Load new fixed sample to be measured and movable sample to be measured, vacuum tank is vacuumized, adjustment index dial makes at vacuum tank In another required angle of inclination, load maintainer applies identical loading force to specimen holder;
Rubbed by said process;
After in setting time, stop the friction of fixed sample to be measured and movable sample to be measured, by fixed sample and activity Sample dismounting is removed;
When needing vacuum tank to be tested under more angles of inclination again, new fixation sample and activity to be measured will be entered Sample and adjust index dial make vacuum tank be in required angle of inclination, then again by said process respectively press required vacuum tank Angle of inclination is tested;
By the abrasion condition progress pair of fixation sample and movable sample obtained by above-mentioned different vacuum tank angle of inclination tests Than so as to obtain influence of the gravity to abrasion condition under different angles;Friction force sensor is surveyed at different vacuum tank angles of inclination The frictional force detected under examination is contrasted, so as to obtain influence of the different gravity to frictional force.
One kind becomes the typical friction pair sliding wear testing method of gravity orientation, comprises the following steps:
Vacuum tank is vacuumized, and load maintainer applies alternating pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, during fixed sample and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
When needing tested under multiple differing tilt angles, new fixed sample to be measured is respectively charged into and to be measured Movable sample and adjust index dial make vacuum tank be in required angle of inclination, then, rubbed by said process;
Load new fixation sample and movable sample to be measured, do not change the angle of vacuum tank, vacuum tank is vacuumized, load machine Structure applies a constant pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, during fixed sample and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
Fixation sample and movable sample obtained by above-mentioned test twice is contrasted, so as to obtain applying alternating pressure pair The influence of abrasion.
The present invention has the following advantages and effect relative to prior art:
1st, the present invention can explore the influence that gravitational effect is worn and torn to space mechanism, and the present invention replaces micro- with motor behavior simulation Gravity environment is simulated, and using gravity environment problem as core, covers gravity, vacuum and alternate load three and spacecraft motion The directly related factor of mechanism, therefore, the present invention can accurately measure the different lower typical friction pairs of gravity orientation in vacuum environment and rub The change of power is wiped, influence of the analysis gravitational effect to abrasion can also measure the influence that alternate load is worn and torn to typical friction pair.
2nd, fixation sample of the invention and movable sample to be measured are by the way of sliding friction, so the present invention can be simulated a little Face, line face, the wear test of the typical friction pair in three kinds of face face, and fixture highly versatile.
3rd, friction force sensor of the invention is axially disposed within the one or both sides of movable installation board along index dial, can make to rub The measurement direction for wiping force snesor is vertical with gravity direction all the time so that movable installation board will not be because of deadweight after vacuum tank inclination And be pressed on friction force sensor, it is to avoid friction force sensor is damaged by pressure or its measurement accuracy is influenceed, so as to improve frictional force Measurement accuracy of the sensor after vacuum tank inclination.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 top view.
Fig. 3 is the enlarged drawing in A portions in Fig. 1.
Fig. 4 is the enlarged drawing in B portions in Fig. 1.
Fig. 5 is to make the schematic diagram after vacuum tank inclination by adjusting index dial.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited In this.
Embodiment one:
One kind becomes the typical friction pair skimming wear experimental machine of gravity orientation, including support 1, vacuum tank 2, index dial 3, loading Mechanism 4, specimen holder 5, test sample clamping mechanism 6 and frictional force size during for detecting fixed sample and the friction of movable sample Friction force sensor 7, vacuum tank is installed on support by index dial, and specimen holder and test sample clamping mechanism are installed on vacuum In case;
Specimen holder includes clamping bracket 8, chuck 9, loading axis 10 and the upper grip 11 that sample is fixed for clamping, folder Set is fixed on clamping bracket, and loading axis is connected in chuck, and upper grip is connected to loading axis bottom, load maintainer and loading axis Connection;
The sample installing plate 12 and driving sample installing plate that test sample clamping mechanism includes being used for fixed movable sample are relative Fixed sample, which is moved back and forth, to be made to fix sample and movable sample produces the sample drive device of friction.
It is preferred that, the sample drive device includes guide rail 13, sliding block 14 and drive mechanism, sample installing plate and sliding block It is fixedly connected, sliding block is engaged with guide rail, drive mechanism is connected with sample installing plate.
It is preferred that, the drive mechanism includes motor 15, gear 16 and rack 17, and rack is installed on sample installing plate On, gear is fixed on the output shaft of motor, and wheel and rack is meshed.
It is preferred that, the clamping bracket include movable installation board 18, connection sliding block 19 and slide rail 20, movable installation board with Connection sliding block is fixedly connected, and connection sliding block is connected with slide rail, and the induction end of friction force sensor is in contact with movable installation board.
It is preferred that, the load maintainer includes electric cylinder 21, thrust bearing 22, thrust bearing mounting seat, spring 23, spring Mounting seat 24, pressure sensor 26 and force block 27, electric cylinder are connected with thrust bearing mounting seat, and thrust bearing, which is installed on, to be pushed away In power bearing mounting base, both ends of the spring is connected with thrust bearing mounting seat and spring mounting seat respectively, and pressure sensor is installed on On spring mounting seat, force block is in contact with pressure sensor, and force block is connected with loading axis.
It is preferred that, the face of the force block and pressure sensor contacts is sphere.
It is preferred that, the load maintainer also includes loading support frame, and loading support frame includes support column 28 and supporting plate 29, threaded connection post 30 is provided with support column, support column is fixed in vacuum tank, and supporting plate is connected through a screw thread post and is connected to Support column top, load maintainer is arranged in supporting plate.
It is preferred that, the friction force sensor is two, and two friction force sensors are axially disposed within activity along index dial Installing plate both sides.
The course of work and operation principle of the present invention:
Vacuum tank is vacuumized, and adjustment index dial makes vacuum tank be in horizontality, and load maintainer applies to specimen holder presses Power;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, in fixed sample and movable sample friction process, frictional force sensing Frictional force size when the fixed sample of device detection and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
Load new fixation sample and movable sample, vacuum tank is vacuumized, and adjustment index dial makes 30 ° of vacuum tank inclination, plus Mounted mechanism applies pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, in fixed sample and movable sample friction process, frictional force sensing Frictional force size when the fixed sample of device detection and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
New fixed sample to be measured and movable sample to be measured is reloaded into, vacuum tank is vacuumized, adjustment index dial makes vacuum tank 45 ° are tilted, load maintainer applies identical loading force to specimen holder;
Rubbed by said process;
After in setting time, stop the friction of fixed sample to be measured and movable sample to be measured, by fixed sample and activity Sample dismounting is removed;
When needing vacuum tank to be in again to be tested under more angles of inclination, new fixed sample to be measured will be entered and to be measured Movable sample and adjust index dial make vacuum tank be in required angle of inclination such as:50 °, 75 °, 85 °, 90 °, 100 °, 120 ° or 160 °, then tested respectively by required vacuum tank angle of inclination by said process again;
By the abrasion condition progress pair of fixation sample and movable sample obtained by above-mentioned different vacuum tank angle of inclination tests Than analysis, so as to obtain influence of the different gravity to abrasion condition;
The frictional force that friction force sensor is detected under being tested at different vacuum tank angles of inclination is analyzed, so that Obtain influence of the different gravity to frictional force.
Embodiment two
One kind becomes the typical friction pair sliding wear testing method of gravity orientation, comprises the following steps:
Vacuum tank is vacuumized, and adjustment index dial makes vacuum tank horizontal positioned or in required angle of inclination, load maintainer Apply pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, in fixed sample and movable sample friction process, frictional force sensing Frictional force size when the fixed sample of device detection and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
Load new fixed sample to be measured and movable sample to be measured, vacuum tank is vacuumized, adjustment index dial makes at vacuum tank In another required angle of inclination, load maintainer applies identical loading force to specimen holder;
Rubbed by said process;
After in setting time, stop the friction of fixed sample to be measured and movable sample to be measured, by fixed sample and activity Sample dismounting is removed;
When needing vacuum tank to be in again to be tested under more angles of inclination, new fixed sample to be measured will be entered and to be measured Movable sample and adjusting index dial makes vacuum tank be in required angle of inclination, then again by said process respectively by required true Empty van angle of inclination is tested;
By the abrasion condition progress pair of fixation sample and movable sample obtained by above-mentioned different vacuum tank angle of inclination tests Than so as to obtain influence of the different gravity to abrasion condition;
The frictional force that friction force sensor is detected under being tested at different vacuum tank angles of inclination is contrasted, so as to obtain Influence of the different gravity to frictional force.
Embodiment three:
Vacuum tank is vacuumized, and load maintainer applies alternating pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, during fixed sample and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
When needing tested under multiple differing tilt angles, new fixed sample to be measured is respectively charged into and to be measured Movable sample and adjust index dial make vacuum tank be in required angle of inclination, then, rubbed by said process;
Load new fixation sample and movable sample to be measured, vacuum tank is vacuumized, load maintainer applies one to specimen holder Individual constant pressure;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and back and forth moves It is dynamic, so that friction is produced between fixed sample and movable sample, during fixed sample and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample are dismantled Remove;
Fixation sample and movable sample obtained by above-mentioned test twice is contrasted, so as to obtain applying alternating pressure pair The influence of abrasion.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification, Equivalent substitute mode is should be, is included within protection scope of the present invention.

Claims (10)

1. one kind becomes the typical friction pair skimming wear experimental machine of gravity orientation, it is characterised in that:Including support, vacuum tank, indexing Disk, load maintainer, specimen holder, test sample clamping mechanism and frictional force during for detecting fixed sample and the friction of movable sample The friction force sensor of size, vacuum tank is installed on support by index dial, and specimen holder and test sample clamping mechanism are installed on In vacuum tank;
Specimen holder includes clamping bracket, chuck, loading axis and the upper grip that sample is fixed for clamping, and chuck is fixed on dress Press from both sides on support, loading axis is connected in chuck, and upper grip is connected to loading axis bottom, and load maintainer is connected with loading axis;
The sample installing plate and driving sample installing plate that test sample clamping mechanism includes being used for fixed movable sample are relatively fixed examination Sample, which is moved back and forth, to be made to fix sample and movable sample produces the sample drive device of friction.
2. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 1, it is characterised in that:The examination Sample drive device includes guide rail, sliding block and drive mechanism, and sample installing plate is fixedly connected with a slide block, and sliding block matches with guide rail Close, drive mechanism is connected with sample installing plate.
3. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 2, it is characterised in that:It is described to drive Motivation structure includes motor, gear and rack, and rack is installed on sample installing plate, and gear is fixed on the output shaft of motor, Wheel and rack is meshed.
4. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 1, it is characterised in that:The dress Pressing from both sides support includes movable installation board, connection sliding block and slide rail, and movable installation board is fixedly connected with connection sliding block, connection sliding block and Slide rail is connected, and the induction end of friction force sensor is in contact with movable installation board.
5. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 1, it is characterised in that:It is described to add Mounted mechanism includes electric cylinder, thrust bearing, thrust bearing mounting seat, spring, spring mounting seat, pressure sensor and stress Block, electric cylinder is connected with thrust bearing mounting seat, and thrust bearing is installed in thrust bearing mounting seat, and both ends of the spring is respectively with pushing away Power bearing mounting base and spring mounting seat connection, pressure sensor are installed on spring mounting seat, force block and pressure sensor It is in contact, force block is connected with loading axis.
6. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 5, it is characterised in that:It is described by The face of power block and pressure sensor contacts is sphere.
7. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 1, it is characterised in that:It is described to add Mounted mechanism also includes loading support frame, and loading support frame includes being provided with threaded connection on support column and supporting plate, support column Post, support column is fixed in vacuum tank, and supporting plate is connected through a screw thread post and is connected to support column top, and load maintainer is arranged at branch On fagging.
8. the typical friction pair skimming wear experimental machine of change gravity orientation according to claim 4, it is characterised in that:It is described to rub It is two to wipe force snesor, and two friction force sensors are axially disposed within movable installation board both sides along index dial.
9. one kind becomes the typical friction pair sliding wear testing method of gravity orientation, it is characterised in that comprise the following steps:
Vacuum tank is vacuumized, and adjustment index dial makes vacuum tank be in level or required angle of inclination, and load maintainer is to specimen holder Tool applies pressure;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and moves back and forth, from And making to fix generation friction between sample and movable sample, in fixed sample and movable sample friction process, friction force sensor is examined Survey frictional force size when fixed sample and movable sample friction;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample dismounting are removed;
Load new fixed sample to be measured and movable sample to be measured, vacuum tank is vacuumized, it is another that adjustment index dial is in vacuum tank Angle of inclination needed for one, load maintainer applies identical loading force to specimen holder;
Rubbed by said process;
After in setting time, stop the friction of fixed sample to be measured and movable sample to be measured, by fixed sample and movable sample Dismounting is removed;
When needing vacuum tank to be tested under more angles of inclination again, new fixation sample and movable sample to be measured will be entered And adjusting index dial makes vacuum tank be in required angle of inclination, then tilted respectively by required vacuum tank by said process again Angle is tested;
Fixation sample and the abrasion condition of movable sample obtained by above-mentioned different vacuum tank angle of inclination tests is contrasted, from And obtain influence of the gravity to abrasion condition under different angles;Friction force sensor is examined under being tested at different vacuum tank angles of inclination The frictional force measured is contrasted, so as to obtain influence of the different gravity to frictional force.
10. one kind becomes the typical friction pair sliding wear testing method of gravity orientation, it is characterised in that comprise the following steps:
Vacuum tank is vacuumized, and load maintainer applies alternating pressure to specimen holder;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and moves back and forth, from And make to fix generation friction between sample and movable sample, during fixed sample rubs with movable sample;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample dismounting are removed;
When needing tested under multiple differing tilt angles, new fixed sample to be measured and activity to be measured are respectively charged into Sample and adjust index dial make vacuum tank be in required angle of inclination, then, rubbed by said process;
Load new fixation sample and movable sample to be measured, do not change the angle of vacuum tank, vacuum tank is vacuumized, load maintainer to Specimen holder applies a constant pressure;
Proceed by friction:Sample drive device drives sample installing plate, movable sample is relatively fixed sample and moves back and forth, from And make to fix generation friction between sample and movable sample, during fixed sample rubs with movable sample;
After in setting time, stop the friction of fixed sample and movable sample, fixed sample and movable sample dismounting are removed;
Fixation sample and movable sample obtained by above-mentioned test twice is contrasted, so as to obtain applying alternating pressure to abrasion Influence.
CN201710221046.XA 2017-04-06 2017-04-06 A kind of typical secondary skimming wear experimental machine and the test method of rubbing of change gravity orientation Active CN107179252B (en)

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CN110672282A (en) * 2019-09-23 2020-01-10 天津大学 Method for testing dynamic sealing performance of sliding friction pair
CN110686840A (en) * 2019-09-23 2020-01-14 天津大学 Sliding friction pair dynamic sealing performance testing system
CN110686839A (en) * 2019-09-23 2020-01-14 天津大学 Sliding friction pair dynamic sealing performance testing equipment based on gas pressure source
CN110686838A (en) * 2019-09-23 2020-01-14 天津大学 Method for evaluating dynamic sealing performance of sliding friction pair
CN112284941A (en) * 2020-12-24 2021-01-29 长沙理工大学 Electromagnetic loading device, multi-angle bidirectional electromagnetic loading test platform and test method

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CN108072519A (en) * 2018-01-09 2018-05-25 哈尔滨工业大学 A kind of novel analog heavy duty radar line slideway auxiliary comparative trial of life-span device
CN108072519B (en) * 2018-01-09 2019-05-28 哈尔滨工业大学 A kind of novel analog heavy duty radar line slideway auxiliary comparative trial of life-span device
CN109655401A (en) * 2019-01-04 2019-04-19 西安交通大学 A kind of pressure changeable planar friction kinetic damping characteristic test device of metal material
CN110672282A (en) * 2019-09-23 2020-01-10 天津大学 Method for testing dynamic sealing performance of sliding friction pair
CN110686840A (en) * 2019-09-23 2020-01-14 天津大学 Sliding friction pair dynamic sealing performance testing system
CN110686839A (en) * 2019-09-23 2020-01-14 天津大学 Sliding friction pair dynamic sealing performance testing equipment based on gas pressure source
CN110686838A (en) * 2019-09-23 2020-01-14 天津大学 Method for evaluating dynamic sealing performance of sliding friction pair
CN112284941A (en) * 2020-12-24 2021-01-29 长沙理工大学 Electromagnetic loading device, multi-angle bidirectional electromagnetic loading test platform and test method
CN112284941B (en) * 2020-12-24 2021-03-12 长沙理工大学 Electromagnetic loading device, multi-angle bidirectional electromagnetic loading test platform and test method

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