CN109187330A - Friction coefficient measurement method under the conditions of a kind of variable working condition - Google Patents
Friction coefficient measurement method under the conditions of a kind of variable working condition Download PDFInfo
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- CN109187330A CN109187330A CN201810902815.7A CN201810902815A CN109187330A CN 109187330 A CN109187330 A CN 109187330A CN 201810902815 A CN201810902815 A CN 201810902815A CN 109187330 A CN109187330 A CN 109187330A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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Abstract
The invention discloses friction coefficient measurement method under the conditions of a kind of variable working condition, step includes: that two kinds of friction materials 1) are made as frictional disk and friction head respectively；2) normal pressure that friction head and frictional disk are adjusted by rotation afterburner screw, obtains the coefficient of friction of friction head and frictional disk under the conditions of different pressures；3) lateral position of lower slide unit is adjusted by lead screw, friction head radial position difference locating on frictional disk obtains the coefficient of friction under the conditions of friction speed to form different friction velocities；4) different lubricant mediums are added from the contact surface of frictional disk in friction head, obtains the coefficient of friction under the conditions of different lubricant mediums；5) above-mentioned friction pairing material, lubricant medium, velocity of rotation, pressure are changed by single or combination, obtains the coefficient of friction under the conditions of differentiated friction pairing material, lubricant medium, friction speed, different pressures.The method of the present invention is easy to operate, and measurement range is wide, and numerical value is accurate.
Description
Technical field
The invention belongs to detection device technical field, it is related to friction coefficient measurement method under the conditions of a kind of variable working condition.
Background technique
Coefficient of friction is the important parameter for calculating frictional force, with the difference of friction pairing material, medium, speed etc., is rubbed
Wiping coefficient will also vary widely, and coefficient of friction generally has to determine by testing, therefore establishing one kind can be fast
The device of coefficient of friction is of great significance under the conditions of the variable working condition such as speed test friction speed, friction pairing material, medium.
Traditional friction coefficient measurement equipment be using an inclined-plane slideway, by change slideway tilt angle make test specimen with
Different speed slide, to measure the coefficient of friction between test specimen and slideway.The sliding speed and pressure of this method are difficult to
It is adjusted in larger range, the relationship between the parameters such as research coefficient of friction and speed, friction pairing material, medium is brought tired
It is difficult.Therefore, need to develop it is a kind of can adapt to differentiated friction pairing material, different pressures, speed, lubricant medium etc. under the conditions of
Coefficient of friction detection device.
Summary of the invention
The object of the present invention is to provide friction coefficient measurement methods under the conditions of a kind of variable working condition, solve rubbing for the prior art
Wipe the problem of coefficient measurement method is single, and relative friction speed, pressure are difficult to effectively adjust, bad adaptability.
The technical solution adopted by the present invention is that friction coefficient measurement method under the conditions of a kind of variable working condition, is exchanged work using one kind
Friction coefficient measuring apparatus under the conditions of condition, follows the steps below to implement:
One such friction material is made as frictional disk by step 1), and another friction material is made as friction head；
Step 2) starts motor, and rub disc spins, and friction head does not rotate；In the rotation process of frictional disk, turn forward
Afterburner screw, afterburner screw front end hold out against load baffle by steel ball one, cushion block one, normal force transducer, locating piece one, load
Baffle drives upper slide unit and friction head to hold out against with frictional disk forward again and contacts, i.e., friction head is contacted with frictional disk generates normal pressure；
The normal pressure that friction head and frictional disk are adjusted by rotation afterburner screw, reads the numerical value of normal force transducer, the numerical value is just
It is the normal pressure that friction head is withstood on frictional disk, using coefficient of friction calculation formula, and then obtains friction head and frictional disk not
With the coefficient of friction under pressure condition；
Step 3) keep motor velocity of rotation it is constant, by lead screw adjust lower slide unit lateral position, make friction head with
The centre of gyration of frictional disk generates eccentric distance, is formed not due to friction head radial position difference locating on frictional disk
Frictional force caused by same friction velocity, friction head and frictional disk is by tangential sensor readings, in conjunction with lever principle
Conversion and coefficient of friction calculation formula, obtain the coefficient of friction under the conditions of friction speed；
Step 4) adds different lubricant mediums from the contact surface of frictional disk in friction head, obtains different lubricant medium conditions
Under coefficient of friction；
Step 5) on the basis of step 1)-step 4), changes above-mentioned friction by single or combination and matches material respectively
Material, lubricant medium, velocity of rotation, pressure measure the normal pressure numerical value for acting on friction panel surface by normal force transducer, lead to
It crosses tangential sensor readings and practical frictional force is extrapolated based on lever principle, by the calculation formula of coefficient of friction, obtain
Friction system between friction head and frictional disk, under the conditions of differentiated friction pairing material, lubricant medium, friction speed, different pressures
Number.
The invention has the advantages that one such friction material is fabricated to a frictional disk, another kind is rubbed
Material is fabricated to the cylindrical friction head an of smaller size；Driving friction disc spins, press friction head contact production with frictional disk
Raw frictional force, the contact pressure between friction head and frictional disk can be adjusted freely, when the disk rotating speed that rubs is certain, due to friction
The position radius of frictional disk locating for head is different and keeps its relative friction speed also different, thus through friction head on frictional disk
Different radial positions freely adjust friction velocity；When motor speed is adjusted, relative friction speed can be made to reach one very wide
Adjustable range.Frictional force, pressure, speed can be measured by different sensors.Furthermore it is also possible in friction head and friction
Different lubricant mediums is added between disk, is obtained under differentiated friction pairing material, lubricant medium, friction speed, different pressures
Coefficient of friction provides a kind of detection approach easily and effectively to solve friction coefficient measurement under the conditions of variable working condition.
Detailed description of the invention
Fig. 1 is the measuring device structural front view that measurement method of the present invention uses；
Fig. 2 is the measuring device local structure top view that measurement method of the present invention uses；
Fig. 3 is friction measurement schematic diagram calculation.
In figure, 1. afterburner screws, 2. spiro rod supports, 3. steel balls one, 4. cushion blocks one, 5. normal force transducers, 6. locating pieces
One, 7. load baffles, 8. revolving supports, 9. rotating shafts, 10. balance staffs, 11. sliding sleeves, 12. steel balls two, 13. cushion blocks two, 14. is tangential
Force snesor, 15. locating pieces two, 16. friction heads, 17. frictional disks, 18. frictional disk connectors, 19. friction dish axles, 20. positioning
Sleeve, 21. locking nuts, 22. shaft couplings, 23. cabinets, 24. motors, 25. upper slide units, 26. upper rail pairs, 27. lower slide units,
28. lower guideway pair, 29. bottom plates, 30. lead screws, 31. screws.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
In following context description, positional relationship is subject to shown in Fig. 1 up and down, actual installation position and so on.
Left and right directions in Fig. 2 is X to up and down direction is Y-direction.
Referring to Fig.1, the structure for the measuring device that the method for the present invention uses is, including cabinet 23 and lower slide unit 27, cabinet 23
It is fixedly mounted on the 29 upper surface left side of bottom plate, 27 lower surface of lower slide unit passes through a pair of of lower guideway pair 28 and is slidably mounted on bottom plate 29
On two long boss on the right of surface, screw mechanism is provided between lower slide unit 27 and bottom plate 29；
It is fixedly installed with motor 24 in the left side vertical plate of cabinet 23, is fixedly installed with positioning sleeve in the right side vertical plate of cabinet 23
Cylinder 20, the transmission shaft and abutment sleeve 20 of motor 24 are coaxially disposed；It is equipped with and is rubbed by two groups of bearing holder (housing, cover)s in 20 inner cavity of abutment sleeve
Dish axle 19 is wiped, frictional disk connector 18 is fixedly mounted in friction 19 right end of dish axle, and 18 right side of frictional connection part is equipped with friction
Disk 17, frictional disk 17 are detachable；19 left end of dish axle that rubs passes through locking nut 21, the transmission shaft one of shaft coupling 22 and motor 24
Body connection, locking nut 21 realize axially fastening for friction dish axle 19；The transmission shaft of motor 24 passes through shaft coupling 22, friction dish axle
19, frictional disk connector 18 drives frictional disk 17 to carry out rotary motion；
It is fixedly installed with spiro rod support 2 on the right of 27 upper surface of lower slide unit, it is axially disposed in spiro rod support 2 to have afterburner screw
1, the 27 upper surface left side of lower slide unit is provided with the upper rail pair 26 of a pair of axial (X to or left and right directions), this is to upper rail pair 26
In be slidably fitted with upper slide unit 25；Load baffle 7 is fixed on the right of 25 top surface of upper slide unit；Afterburner screw 1 passes sequentially through steel ball one
3, cushion block 1, normal force transducer 5 and locating piece 1 hold out against and contact with load baffle 7, push upper slide unit 25 along X to moving
(left and right directions or axial), the motive force that afterburner screw 1 is held out against passes through 5 the real time measure of normal force transducer, wherein afterburner screw
1, steel ball 1, cushion block 1, normal force transducer 5, locating piece 1 are located on same axis；
Referring to Fig. 2, it is fixed with a pair of of revolving support 8 among 25 top surface of upper slide unit, this is to being set with transverse direction in revolving support 8
Rotating shaft 9, rotating shaft 9 can rotate in revolving support 8, and rotating shaft 9 is fixedly connected with 10 right end of balance staff, balance staff 10 with return
Shaft 9 is vertical；10 left end of balance staff is fixedly installed with friction head 16, and 16 axial line of friction head is coaxially set with 10 axial line of balance staff
It sets；Sliding sleeve 11 is set on 10 interlude circumference of balance staff, 11 lower part of sliding sleeve passes sequentially through steel ball 2 12, cushion block 2 13, tangential force
Sensor 14, locating piece 2 15 are supported in upper slide unit 25；It needs to keep afterburner screw 1 and balance staff 10 coaxial in measurement process,
And balance staff 10 is vertical with 17 surface of frictional disk.
Afterburner screw 1 pushes upper slide unit 25 to move left and right along X by load baffle 7, to drive balance staff 10 along X to shifting
It is dynamic, realize that friction head 16 is contacted with holding out against for frictional disk 17；The normal pressure that afterburner screw 1 applies is measured by normal force transducer 5,
Generated frictional force is measured by tangential force snesor 14.
Referring to Fig. 2, screw mechanism includes lead screw 30 and screw 31, and lead screw 30 is connect with 31 screw-driven of screw, lead screw 30
It is arranged on bottom plate 29 by two mounting bases, screw 31 is fixed on the bottom surface of lower slide unit 27.
Rotational lead screw 30 drives lower slide unit 27 along 29 transverse shifting of bottom plate, so that friction head 16 is moved along Y-direction by screw 31
It is dynamic, thus realize the stepless speed regulation of the friction velocity under 17 revolving speed permanence condition of frictional disk between friction head 16 and frictional disk 17,
Facilitate testing and control.
Therefore friction head 16 is supported by lever construction, friction head 16 realizes X by upper slide unit 25 and lower slide unit 27
To and Y-direction it is mobile, pressure size is changed to driving by X；It is driven by Y-direction and changes radial position, and then change friction velocity.
Measurement method of the invention is operated according to the following steps using above-mentioned measuring device:
One such friction material is made as frictional disk 17 by step 1), and another friction material is made as smaller ruler
The friction head 16 of very little cylindrical shape；
Step 2) starts motor 24, and frictional disk 17 rotates, and friction head 16 does not rotate；In the rotation process of frictional disk 17,
Afterburner screw 1 is turned forward, and 1 front end of afterburner screw is pushed up by steel ball 1, cushion block 1, normal force transducer 5, locating piece 1
Tight load baffle 7, load baffle 7 drive upper slide unit 25 and friction head 16 to hold out against with frictional disk 17 forward again and contact, i.e. friction head
16 contact generation normal pressure (contact pressure) with frictional disk 17；Friction head 16 and frictional disk are adjusted by rotation afterburner screw 1
17 normal pressure reads the numerical value of normal force transducer 5, which is exactly the normal pressure that friction head 16 is withstood on frictional disk 17,
Using coefficient of friction calculation formula, and then obtain friction head 16 and coefficient of friction of the frictional disk 17 under the conditions of different pressures；
Step 3) keeps the velocity of rotation of motor 24 constant, and the lateral position of lower slide unit 27 is adjusted by lead screw 30, makes to rub
The centre of gyration of rubbing head 16 and frictional disk 17 generates eccentric distance, due to the radial position locating on frictional disk 17 of friction head 16
For difference to form different friction velocities, frictional force caused by friction head 16 and frictional disk 17 passes through tangential force snesor 14
Reading, conversion and coefficient of friction calculation formula in conjunction with lever principle obtain the coefficient of friction under the conditions of friction speed；
The velocity of rotation for continuing adjusting motor 24, makes friction head 16 and the relative friction speed of frictional disk 17 reach one more
Wide range.
Step 4) adds different lubricant mediums from the contact surface of frictional disk 17 in friction head 16, obtains different lubricant mediums
Under the conditions of coefficient of friction；
Step 5) on the basis of step 1)-step 4), changes above-mentioned friction by single or combination and matches material respectively
Material, lubricant medium, velocity of rotation, pressure measure the normal pressure number for acting on 17 surface of frictional disk by normal force transducer 5
Value is read by tangential force snesor 14 and extrapolates practical frictional force based on lever principle, public by the calculating of coefficient of friction
Formula obtains between friction head 16 and frictional disk 17, differentiated friction pairing material, lubricant medium, friction speed, different pressures condition
Under coefficient of friction.
Pass through formula f=f referring to Fig. 3, frictional force f1×l1/ l is solved, wherein f is frictional force, f1For tangential force snesor
14 readings, l are distance of the centre of gyration of balance staff 10 to 17 surface of frictional disk, l1It is passed for the centre of gyration of balance staff 10 to tangential force
The distance of 14 axis of sensor.
Normal force transducer 5 measures normal pressure N, then friction coefficient μ is solved by formula μ=f/N.
Claims (3)
1. friction coefficient measurement method under the conditions of a kind of variable working condition, using friction coefficient measuring apparatus under the conditions of a kind of variable working condition,
It is characterized in that, following the steps below to implement:
One such friction material is made as frictional disk (17) by step 1), and another friction material is made as friction head
(16)；
Step 2) starts motor (24), and frictional disk (17) rotation, friction head (16) does not rotate；Rotation process in frictional disk (17)
In, it turns forward afterburner screw (1), afterburner screw (1) front end passes through steel ball one (3), cushion block one (4), normal force transducer
(5), locating piece one (6) hold out against load baffle (7), load baffle (7) drive again upper slide unit (25) and friction head (16) forward with
Frictional disk (17) holds out against contact, i.e., friction head (16) is contacted with frictional disk (17) generates normal pressure；By rotating afterburner screw (1)
It adjusts the normal pressure of friction head (16) Yu frictional disk (17), reads the numerical value of normal force transducer (5), which is exactly to rub
Head (16) withstands on the normal pressure on frictional disk (17), using coefficient of friction calculation formula, and then obtains friction head (16) and friction
Coefficient of friction of the disk (17) under the conditions of different pressures；
Step 3) keeps the velocity of rotation of motor (24) constant, by the lateral position of lead screw (30) adjustment lower slide unit (27), makes
Friction head (16) and the centre of gyration of frictional disk (17) generate eccentric distance, since friction head (16) is locating on frictional disk (17)
Radial position difference to forming different friction velocities, friction head (16) passes through with frictional force caused by frictional disk (17)
Tangential force snesor (14) reading, conversion and coefficient of friction calculation formula in conjunction with lever principle obtain friction speed condition
Under coefficient of friction；
Step 4) adds different lubricant mediums from the contact surface of frictional disk (17) in friction head (16), obtains different lubricant mediums
Under the conditions of coefficient of friction；
Step 5) on the basis of step 1)-step 4), changes above-mentioned friction pairing material, profit by single or combination respectively
Sliding medium, velocity of rotation, pressure, the normal pressure numerical value for acting on frictional disk (17) surface is measured by normal force transducer (5),
It is read by tangential force snesor (14) and practical frictional force is extrapolated based on lever principle, it is public by the calculating of coefficient of friction
Formula obtains between friction head (16) and frictional disk (17), differentiated friction pairing material, lubricant medium, friction speed, different pressures
Under the conditions of coefficient of friction.
2. friction coefficient measurement method under the conditions of variable working condition according to claim 1, which is characterized in that the variable working condition
Under the conditions of the structure of friction coefficient measuring apparatus be that including cabinet (23) and lower slide unit (27), cabinet (23) are fixedly mounted on bottom
Plate (29) upper surface left side, lower slide unit (27) lower surface pass through a pair of of lower guideway secondary (28) and are slidably mounted on bottom plate (29) upper surface
On two long boss on the right, screw mechanism is provided between lower slide unit (27) and bottom plate (29)；
It is fixedly installed in the left side vertical plate of cabinet (23) motor (24), is fixedly installed with positioning in the right side vertical plate of cabinet (23)
Sleeve (20), by two groups of bearing holder (housing, cover)s equipped with friction dish axle (19) in abutment sleeve (20) inner cavity, rub dish axle (19) right end
It is fixedly mounted frictional disk connector (18), frictional connection part (18) right side is equipped with frictional disk (17)；Rub dish axle (19) left side
End passes through locking nut (21), the transmission shaft integrally connected of shaft coupling (22) and motor (24)；
It is fixedly installed with spiro rod support (2) on the right of lower slide unit (27) upper surface, it is axially disposed in spiro rod support (2) to have reinforcing spiral shell
Bar (1), the upper rail that lower slide unit (27) upper surface left side is provided with a pair of of axial direction is secondary (26), this is to sliding in upper rail secondary (26)
Upper slide unit (25) are installed；Load baffle (7) is fixed on the right of upper slide unit (25) top surface；Afterburner screw (1) passes sequentially through steel ball
One (3), cushion block one (4), normal force transducer (5) and locating piece one (6) hold out against with load baffle (7) and contact；
A pair of of revolving support (8) are fixed among upper slide unit (25) top surface, this is to being set with lateral revolution in revolving support (8)
Axis (9), rotating shaft (9) are fixedly connected with balance staff (10) right end；Balance staff (10) left end is fixedly installed with friction head (16)；Balance staff
(10) it is set on interlude circumference sliding sleeve (11), sliding sleeve (11) lower part passes sequentially through steel ball two (12), cushion block two (13), tangential
Force snesor (14), locating piece two (15) are supported on upper slide unit (25).
3. friction coefficient measurement method under the conditions of variable working condition according to claim 2, which is characterized in that the lead screw machine
Structure includes lead screw (30) and screw (31), and lead screw (30) is connect with screw (31) screw-driven, and lead screw (30) passes through two installations
Seat is arranged on bottom plate (29), and screw (31) is fixed on the bottom surface of lower slide unit (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902815.7A CN109187330B (en) | 2018-08-09 | 2018-08-09 | Method for measuring friction coefficient under variable working condition |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902815.7A CN109187330B (en) | 2018-08-09 | 2018-08-09 | Method for measuring friction coefficient under variable working condition |
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| CN109187330B CN109187330B (en) | 2020-11-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179841A (en) * | 2020-10-04 | 2021-01-05 | 西北工业大学 | Collision friction test device and method capable of simulating vacuum microgravity environment |
| CN113418860A (en) * | 2021-06-08 | 2021-09-21 | 法士特伊顿(西安)动力传动***有限责任公司 | Mechanism for measuring friction force/friction coefficient and measuring method thereof |
| CN115831296A (en) * | 2023-02-21 | 2023-03-21 | 北京特思迪半导体设备有限公司 | Method for calculating uncertainty of friction coefficient of material and application |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08233714A (en) * | 1995-02-27 | 1996-09-13 | Nec Corp | Method and equipment for evaluating durability of magnetic disc |
| JPH10253517A (en) * | 1997-03-06 | 1998-09-25 | Bridgestone Corp | Method and device for abrasion test of elastic body |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN101832898A (en) * | 2009-12-16 | 2010-09-15 | 安徽工业大学 | Horizontal end face frictional wear tester |
| CN202066765U (en) * | 2011-05-04 | 2011-12-07 | 西安工程大学 | Simple pin-on-disk composite material small sample abrasion test device |
| CN103528738A (en) * | 2013-09-27 | 2014-01-22 | 清华大学 | Friction force measuring method |
| CN103868812A (en) * | 2014-03-19 | 2014-06-18 | 大连理工大学 | Variable-load rolling friction-abrasion testing machine |
| CN104132886A (en) * | 2014-05-12 | 2014-11-05 | 上海大学 | Device for testing friction coefficient of precision bearing ball and cage pocket |
| WO2014179537A1 (en) * | 2013-05-03 | 2014-11-06 | Shell Oil Company | Methods of friction testing lubricants |
| CN105547996A (en) * | 2016-02-04 | 2016-05-04 | 华侨大学 | High-speed friction testing machine for friction pair pre-dressing and application thereof |
| CN105628534A (en) * | 2016-02-04 | 2016-06-01 | 华侨大学 | High-speed friction testing method of diamond knife pre-maintenance nonferrous metal friction pair |
| CN105738276A (en) * | 2016-02-04 | 2016-07-06 | 华侨大学 | High-speed lubricating performance testing machine for pre-grinding friction pair and application thereof |
| CN206725372U (en) * | 2016-11-25 | 2017-12-08 | 南京理工大学泰州科技学院 | One bulb disk-type friction testing machine |
-
2018
- 2018-08-09 CN CN201810902815.7A patent/CN109187330B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08233714A (en) * | 1995-02-27 | 1996-09-13 | Nec Corp | Method and equipment for evaluating durability of magnetic disc |
| JPH10253517A (en) * | 1997-03-06 | 1998-09-25 | Bridgestone Corp | Method and device for abrasion test of elastic body |
| CN201034896Y (en) * | 2007-04-05 | 2008-03-12 | 张国珍 | Frictional wear tester |
| CN101832898A (en) * | 2009-12-16 | 2010-09-15 | 安徽工业大学 | Horizontal end face frictional wear tester |
| CN202066765U (en) * | 2011-05-04 | 2011-12-07 | 西安工程大学 | Simple pin-on-disk composite material small sample abrasion test device |
| WO2014179537A1 (en) * | 2013-05-03 | 2014-11-06 | Shell Oil Company | Methods of friction testing lubricants |
| CN103528738A (en) * | 2013-09-27 | 2014-01-22 | 清华大学 | Friction force measuring method |
| CN103868812A (en) * | 2014-03-19 | 2014-06-18 | 大连理工大学 | Variable-load rolling friction-abrasion testing machine |
| CN104132886A (en) * | 2014-05-12 | 2014-11-05 | 上海大学 | Device for testing friction coefficient of precision bearing ball and cage pocket |
| CN105547996A (en) * | 2016-02-04 | 2016-05-04 | 华侨大学 | High-speed friction testing machine for friction pair pre-dressing and application thereof |
| CN105628534A (en) * | 2016-02-04 | 2016-06-01 | 华侨大学 | High-speed friction testing method of diamond knife pre-maintenance nonferrous metal friction pair |
| CN105738276A (en) * | 2016-02-04 | 2016-07-06 | 华侨大学 | High-speed lubricating performance testing machine for pre-grinding friction pair and application thereof |
| CN206725372U (en) * | 2016-11-25 | 2017-12-08 | 南京理工大学泰州科技学院 | One bulb disk-type friction testing machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179841A (en) * | 2020-10-04 | 2021-01-05 | 西北工业大学 | Collision friction test device and method capable of simulating vacuum microgravity environment |
| CN113418860A (en) * | 2021-06-08 | 2021-09-21 | 法士特伊顿(西安)动力传动***有限责任公司 | Mechanism for measuring friction force/friction coefficient and measuring method thereof |
| CN113418860B (en) * | 2021-06-08 | 2023-08-25 | 法士特伊顿(西安)动力传动***有限责任公司 | Mechanism for measuring friction force/friction coefficient and measuring method thereof |
| CN115831296A (en) * | 2023-02-21 | 2023-03-21 | 北京特思迪半导体设备有限公司 | Method for calculating uncertainty of friction coefficient of material and application |
| CN115831296B (en) * | 2023-02-21 | 2023-05-05 | 北京特思迪半导体设备有限公司 | Calculation method and application of uncertainty of friction coefficient of material |
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| Publication number | Publication date |
|---|---|
| CN109187330B (en) | 2020-11-17 |
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