CN110954429A - Linear guide pair running-in testing machine - Google Patents
Linear guide pair running-in testing machine Download PDFInfo
- Publication number
- CN110954429A CN110954429A CN201911332930.6A CN201911332930A CN110954429A CN 110954429 A CN110954429 A CN 110954429A CN 201911332930 A CN201911332930 A CN 201911332930A CN 110954429 A CN110954429 A CN 110954429A
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- guide rail
- guide
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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
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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Abstract
The invention discloses a linear guide rail pair running-in testing machine which comprises a rack, wherein guide rail mounting plates are respectively arranged on the left side and the right side of the top of the rack, a base and a movable support are arranged in the middle of the top of the rack, an auxiliary guide rail pair connected with the base is arranged at the bottom of the movable support, connecting assemblies capable of being fixedly connected with sliding blocks are respectively arranged on the left side and the right side of the movable support, a driving assembly capable of driving the movable support to move back and forth on the auxiliary guide rail pair is arranged between the movable support and the base, the linear guide rail pair running-in testing machine further comprises a loading assembly capable of applying pressure to the sliding blocks, and the loading assembly presses the two sliding blocks respectively arranged on the upper side. The invention can reliably test the actual friction and wear conditions of the linear guide rail pair under different loads and the service life of the linear guide rail pair under various speed conditions within the speed range of 5 m/s at low cost, and can realize the simultaneous running-in of a plurality of sets of guide rail pairs to be tested.
Description
Technical Field
The invention relates to a running-in testing machine for a linear guide rail pair, in particular to a testing device for testing friction wear and high-speed durability of a high-speed rolling linear guide rail pair.
Background
The rolling linear guide rail pair is used as a precise linear guide part, the motion of the rolling linear guide rail pair realizes rolling friction by virtue of a rolling body between a sliding block and a guide rail, and the rolling linear guide rail pair has the excellent characteristics of small friction resistance, small dynamic and static friction assisting difference, difficult generation of creeping at low speed, large bearing, high precision, reliability, standardization and the like, and is widely applied to the fields of numerical control machines, precise instruments and the like.
At present, in a common loading test device for a rolling linear guide rail pair, referring to fig. 5, a guide rail pair 11 to be tested is installed on a machine tool base 12, a slide block on the guide rail pair 11 to be tested is vertically loaded through a portal frame 13, and two sets of auxiliary guide rail pairs 14 are installed below the portal frame 13 for reciprocating running-in. In such a way, the auxiliary guide rail pair 14 bears half of the loading force, and the auxiliary guide rail pair 14 is usually required to be replaced after one or two tests, so that the replacement is troublesome and resources are consumed; in addition, if the structure needs to realize simultaneous running-in of a plurality of guide rail pairs to be tested, the span of the portal frame needs to be increased, the base needs to be wider, and the whole structure is huge and is not beneficial to realization; meanwhile, no high-speed test equipment meeting the speed of 5 m/s exists in China.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the running-in testing machine for the linear guide rail pair can test the actual friction and wear conditions of the linear guide rail pair under different loads and the service life of the linear guide rail pair under various speed conditions within the speed range of 5 m/s reliably and at low cost, and can realize the simultaneous running-in of a plurality of sets of guide rail pairs to be tested.
In order to solve the technical problem, the invention provides a linear guide rail pair running-in testing machine, a rolling linear guide rail pair is taken as a guide rail pair to be tested, the guide rail pair to be tested comprises a guide rail and a slide block, the linear guide rail pair running-in testing machine comprises a rack, guide rail mounting plates are respectively arranged on the left side and the right side of the top of the rack, guide rail mounting holes capable of fixedly connecting the guide rail back to back are respectively formed in the upper side and the lower side of the guide rail mounting plates, a base is arranged in the middle of the top of the rack, a movable support is arranged on the base, an auxiliary guide rail pair is arranged at the bottom of the movable support, the auxiliary guide rail pair is connected with the base, connecting components capable of fixedly connecting the slide block are respectively arranged on the left side and the right side of the movable support, and a driving component capable of driving the movable support to, the linear guide pair running-in testing machine further comprises a loading assembly capable of applying pressure to the sliding blocks, the loading assembly is separated from the moving support, and the loading assembly is in a tiger-mouth shape and presses the two sliding blocks which are respectively arranged on the upper side and the lower side of the guide rail mounting plate against the corresponding guide rails.
As a preferable scheme of the present invention, the loading assembly includes a C-shaped arm, a threaded hole is formed in an upper end of the C-shaped arm, the threaded hole is connected with a screw, a pressing plate is arranged at a lower end of the screw, a supporting portion protruding upward is arranged at a lower end of the C-shaped arm, the pressing plate and the supporting portion are arranged in a vertical opposite manner, the pressing plate abuts against a slider mounted on an upper side of the guide rail mounting plate under an adjusting action of the screw, and the supporting portion abuts against a slider mounted on a lower side of the guide rail mounting plate.
As a preferable aspect of the present invention, a torque meter for detecting a torque of the screw is provided on the screw.
As a preferable scheme of the invention, the upper end of the screw rod is provided with a rotating handle.
As a preferable scheme of the present invention, two auxiliary guide rail pairs are provided and are arranged in bilateral symmetry, and the auxiliary guide rail pairs are rolling linear guide rail pairs.
As a preferable scheme of the present invention, the two auxiliary guide rail pairs are symmetrically arranged in the left-right direction, each auxiliary guide rail pair includes a wheel rail, a positive guide wheel and a side guide wheel, the wheel rails are fixed on the base, the positive guide wheel and the side guide wheel are respectively mounted at the bottom of the movable bracket through a guide wheel frame, the positive guide wheel is in rolling contact with the top surface of the wheel rail, and the side guide wheels are in rolling contact with the side surfaces of the wheel rails.
As a preferable scheme of the present invention, the driving assembly includes a motor, a driving wheel, a driven wheel and a belt, the motor is fixed on the top of the movable support, a power output end of the motor is connected with the driving wheel, the driven wheel is rotatably connected to the movable support, the belt is parallel to the auxiliary guide rail pair, two ends of the belt are fixed on the base, the driving wheel is pressed against one surface of the belt, and the driven wheel is pressed against the other surface of the belt.
As a preferable scheme of the invention, the connecting assembly comprises a cross rod and a vertical rod, one end of the cross rod is connected with the movable support, the other end of the cross rod extends out towards one side of the guide rail pair to be detected and is connected with the upper end of the vertical rod, and the lower end of the vertical rod is connected with the sliding block.
As a preferable scheme of the invention, the cross bar is provided with a long hole through which the upper end of the vertical rod can pass, the upper end of the vertical rod is provided with a threaded portion, the threaded portion passes through the long hole and is fixed on the movable support through a locking nut, and the lower end of the vertical rod is movably inserted on the sliding block.
As a preferable scheme of the present invention, the length and width dimensions of the guide rail mounting plate are matched with those of the guide rail pair to be measured, and the guide rail mounting plate is detachably connected to the rack.
Compared with the prior art, the linear guide pair running-in testing machine provided by the invention has the beneficial effects that:
according to the running-in testing machine for the linear guide rail pair, the guide rail mounting plates are arranged on the left side and the right side of the top of the rack, one guide rail can be mounted on each of the upper side and the lower side of each guide rail mounting plate, and a plurality of sliding blocks matched with the guide rails can be arranged as required, namely 4 guide rails can be clamped and more than 4 sliding blocks can be run in one time, so that simultaneous testing of a plurality of guide rail pairs is realized, and running-in testing efficiency is improved; meanwhile, the loading assembly and the movable support are separated from each other, the force of the loading assembly acting on the guide rail pair to be tested cannot be transmitted to the machine driving supporting part (namely, the auxiliary guide rail pair at the bottom of the movable support), the service life of the equipment is prolonged, the problem of external load application of a plurality of groups of sliding blocks is solved at low cost, the running-in test cost is reduced, and the device and the method can be suitable for testing the actual friction and wear conditions of the linear guide rail pair under different loads and the service life of the linear guide rail pair under various speed conditions within the speed range of 5 m/s.
Drawings
FIG. 1 is a schematic structural diagram of a linear guide pair running-in tester provided by the invention;
FIG. 2 is a front view of a linear guide pair running-in tester provided by the invention;
FIG. 3 is a partial side view of a linear guide pair running-in tester provided by the present invention;
FIG. 4 is a schematic structural view of another embodiment of an auxiliary rail pair;
FIG. 5 is a schematic structural diagram of a loading test device of a conventional rolling linear guide pair;
in the figure, 100, a machine frame 101, a guide rail mounting plate 102, a base 103, a movable support 104, an auxiliary guide rail pair 105, a connecting assembly 106, a driving assembly 107, a loading assembly 108, a C-shaped arm 109, a screw rod 110, a pressing plate 111, a supporting part 112, a rotating handle 113, a wheel rail 114, a guide wheel 115, a side guide wheel 116, a motor 117, a driving wheel 118, a driven wheel 119, a belt 120, a cross bar 121, a vertical rod 122, an elongated hole 123, a locking nut 200, a guide rail pair to be tested 201, a guide rail 202 and a sliding block.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, in a preferred embodiment of the present invention, a rolling linear guide rail pair is used as a guide rail pair 200 to be tested, the guide rail pair 200 to be tested includes a guide rail 201 and a slider 202, the linear guide rail pair running-in testing machine includes a rack 100, guide rail mounting plates 101 are respectively disposed on left and right sides of a top of the rack 100, guide rail mounting holes capable of fixedly connecting the guide rail 201 back to back are respectively disposed on upper and lower sides of the guide rail mounting plates 101, a base 102 is disposed in a middle of a top of the rack 100, a moving support 103 is disposed on the base 102, an auxiliary guide rail pair 104 is disposed at a bottom of the moving support 103, the auxiliary guide rail pair 104 is connected to the base 102, connecting assemblies 105 capable of fixedly connecting the slider 202 are respectively disposed on left and right sides of the moving support 103, and a connecting assembly capable of driving the moving support 103 to move back and forth on the auxiliary guide rail pair 104 is disposed between the moving support 103 and the The linear guide rail pair running-in testing machine further comprises a loading assembly 107 capable of applying pressure to the sliding blocks 202, the loading assembly 107 and the moving support 103 are separated from each other, and the loading assembly 107 is in a tiger-mouth shape and presses the two sliding blocks 202 which are respectively arranged on the upper side and the lower side of the guide rail mounting plate 101 against the corresponding guide rails 201.
Therefore, the linear guide rail pair running-in testing machine has the advantages that the guide rail mounting plates 101 are arranged on the left side and the right side of the top of the rack 100, the guide rail 201 can be mounted on both the upper side and the lower side of each guide rail mounting plate 101, and a plurality of sliding blocks 202 matched with the guide rails 201 can be arranged as required, namely more than 4 guide rails 201 and more than 4 sliding blocks 202 can be clamped for running-in at one time, so that a plurality of guide rail pairs can be tested at the same time, and the running-in testing efficiency is improved; meanwhile, as the loading assembly 107 and the movable support 103 are separated from each other, the force of the loading assembly 107 acting on the guide rail pair 200 to be tested is not transmitted to a machine driving support part (namely, the auxiliary guide rail pair 104 at the bottom of the movable support 103), the service life of the equipment is prolonged, the problem of external load application of a plurality of groups of sliding blocks is solved at low cost, the running-in test cost is reduced, and the device and the method can be suitable for testing the actual friction and wear conditions of the linear guide rail pair under different loads and the service life of the linear guide rail pair under various speed conditions within the speed range of 5 m/s.
It should be further noted that, because the two guide rail pairs to be tested are installed on the guide rail installation plate 101 back to back, the two guide rail pairs to be tested are offset during loading and cannot be transmitted to the guide rail installation plate 101, so that the frame or the guide rail installation plate is prevented from being deformed due to insufficient strength, and the guide rail pairs to be tested are finally inclined and swung, thereby affecting the accuracy of the running-in test.
Illustratively, the loading assembly 107 comprises a C-shaped arm 108, a threaded hole is formed in the upper end of the C-shaped arm 108, a screw 109 is connected to the threaded hole, a pressing plate 110 is arranged at the lower end of the screw 109, a supporting portion 111 protruding upwards is arranged at the lower end of the C-shaped arm 108, the pressing plate 110 and the supporting portion 111 are arranged in a vertically opposite manner, under the adjusting action of the screw 109, the pressing plate 110 abuts against a slide block 202 arranged on the upper side of the guide rail mounting plate 101, and the supporting portion 111 abuts against a slide block 202 arranged on the lower side of the guide rail mounting plate 101. By the design, self-balancing loading of the upper guide rail pair 200 to be tested and the lower guide rail pair 200 to be tested can be realized, loads acting on the upper guide rail pair 200 to be tested and the lower guide rail pair 200 to be tested are the same, and accuracy of running-in tests of the guide rail pairs 200 to be tested is guaranteed.
For example, in order to obtain loading data conveniently, a torque meter for detecting the torque of the screw 109 is arranged on the screw 109.
Illustratively, the upper end of the screw 109 is provided with a rotating handle 112, which facilitates the screw 109 to be screwed in and out.
Illustratively, the auxiliary guide rail pairs 104 are arranged in a bilateral symmetry manner, and the auxiliary guide rail pairs 104 are rolling linear guide rail pairs. Of course, in another alternative embodiment, as shown in fig. 4, the auxiliary rail pair 104 includes a wheel rail 113, a guide wheel 114 and a side guide wheel 115, the wheel rail 113 is fixed on the base 102, the guide wheel 114 and the side guide wheel 115 are respectively installed at the bottom of the movable frame 103 through a wheel frame, the guide wheel 114 is in rolling contact with the top surface of the wheel rail 113, and the side guide wheel 115 is in rolling contact with the side surface of the wheel rail 113. It should be noted that even though the force of the loading component 107 acting on the guide rail pair 200 to be tested is not transmitted to the auxiliary guide rail pair 104, the auxiliary guide rail pair 104 itself bears the load of the upper components such as the movable bracket 103 and the motor, if the auxiliary guide rail pair 104 adopts a rolling linear guide rail pair, the running-in test is actually performed on the auxiliary guide rail pair 104 while the running-in test is performed on the guide rail pair 200 to be tested, so that the quality requirement for adopting the rolling linear guide rail pair as the auxiliary guide rail pair 104 is relatively high, that is, the quality grade of the auxiliary guide rail pair 104 is higher than that of the guide rail pair 200 to be tested, and the test cost is high; if the floating guide mechanism composed of the wheel rail 113, the guide roller 114 and the side guide roller 115 is adopted as the auxiliary guide rail pair 104, the movable support 103 can be allowed to deflect left and right to a certain degree, and because the size of the guide roller 114 and the side guide roller 115 used as rolling bodies is far larger than that of balls in the rolling linear guide rail pair, the allowable abrasion loss of the guide roller 114 and the side guide roller 115 is relatively large, the service life is longer, the structure is simple, the cost is low, and the auxiliary guide rail pair 104 is more advantageous compared with the rolling linear guide rail pair used as the auxiliary guide rail pair 104.
In one embodiment, the drive assembly 106 includes a motor 116, a drive pulley 117, a driven pulley 118, and a belt 119, the motor 116 is fixed on the top of the moving bracket 103, the power output end of the motor 116 is connected with the driving wheel 117, the driven pulley 118 is rotatably connected to the moving bracket 103, the belt 119 is parallel to the auxiliary rail pair 104, and both ends of the belt 119 are fixed on the base 102, the driving wheel 117 is pressed against one surface of the belt 119, the driven wheel 118 is pressed against the other surface of the belt 119, and the belt 119 is tensioned by the driving pulley 117 and the driven pulley 118, and when the driving pulley 117 is rotated by the motor 116, since the belt 119 is stationary, both the driving pulley 117 and the driven pulley 118 can roll on the belt 119, thereby driving the moving support 103 to reciprocate on the auxiliary rail pair 104. It should be noted that, because the belt 119 is a flexible belt, it can accommodate the side-to-side deflection of the mobile bracket 103 to some extent, and the noise is low.
Illustratively, the connecting assembly 105 includes a cross bar 120 and a vertical bar 121, one end of the cross bar 120 is connected to the movable support 103, the other end of the cross bar 120 extends out toward one side of the rail pair 200 to be tested and is connected to the upper end of the vertical bar 121, and the lower end of the vertical bar 121 is connected to the sliding block 202. Specifically, be equipped with on the horizontal pole 120 and supply the elongated hole 122 that the upper end of montant 121 passed to make things convenient for the adjustment of montant 121 left and right sides position, the upper end of montant 121 is equipped with screw thread portion, screw thread portion passes elongated hole 122 is fixed through lock nut 123 on the movable support 103, the lower extreme movably of montant 121 is pegged graft on slider 202 to realize moving and be connected between support 103 and the slider 202 of the vice 200 of guide rail that awaits measuring. It should be noted that, because the lower end of the vertical rod 121 is movably inserted into the mounting hole of the slider 202, there is no constraint in the vertical direction between the movable support 103 and the guide rail pair 200 to be tested, the acting forces in the vertical direction are not conducted with each other, the accuracy of the running-in test of the guide rail pair 200 to be tested is improved, and the service life of the running-in testing machine is prolonged.
Illustratively, for conveniently installing the guide rail pairs 200 to be tested in different models, the length and width of the guide rail mounting plate 101 are matched with the length and width of the guide rail pairs 200 to be tested, and the guide rail mounting plate 101 is detachably connected to the rack 100.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A running-in testing machine of a linear guide rail pair is characterized in that the running-in testing machine of the linear guide rail pair comprises a rack, guide rail mounting plates are respectively arranged on the left side and the right side of the top of the rack, guide rail mounting holes for fixedly connecting back to back of the guide rails are respectively formed in the upper side and the lower side of each guide rail mounting plate, a base is arranged in the middle of the top of the rack, a movable support is arranged on the base, an auxiliary guide rail pair is arranged at the bottom of the movable support and connected with the base, connecting assemblies for fixedly connecting the slide blocks are respectively arranged on the left side and the right side of the movable support, a driving assembly capable of driving the movable support to move back and forth on the auxiliary guide rail pair is arranged between the movable support and the base, the linear guide pair running-in testing machine further comprises a loading assembly capable of applying pressure to the sliding blocks, wherein the loading assembly is in a tiger-mouth shape and presses the two sliding blocks which are respectively arranged at the upper side and the lower side of the guide rail mounting plate against the corresponding guide rails.
2. A linear guide pair running-in tester as claimed in claim 1, wherein the loading assembly includes a C-shaped arm, the upper end of the C-shaped arm is provided with a threaded hole, the threaded hole is connected with a screw, the lower end of the screw is provided with a pressing plate, the lower end of the C-shaped arm is provided with a supporting portion protruding upwards, the pressing plate and the supporting portion are arranged in an up-and-down opposite manner, under the adjusting action of the screw, the pressing plate abuts against a slide block arranged on the upper side of the guide mounting plate, and the supporting portion abuts against a slide block arranged on the lower side of the guide mounting plate.
3. A running-in tester for linear guide pair as claimed in claim 2, wherein the screw is provided with a torquer for detecting the torque of the screw.
4. A linear guide pair running-in tester as claimed in claim 2, wherein the upper end of the screw is provided with a rotary handle.
5. A running-in tester for a linear guide pair as claimed in claim 1, wherein there are two auxiliary guide pairs arranged symmetrically left and right, and the auxiliary guide pair is a rolling linear guide pair.
6. A linear guide pair running-in tester as claimed in claim 1, wherein there are two auxiliary guide pairs arranged symmetrically left and right, the auxiliary guide pair includes a wheel rail, a guide wheel and a side guide wheel, the wheel rail is fixed on the base, the guide wheel and the side guide wheel are respectively mounted on the bottom of the movable support through a guide wheel frame, the guide wheel is in rolling contact with the top surface of the wheel rail, and the side guide wheel is in rolling contact with the side surface of the wheel rail.
7. A linear guide pair running-in tester as claimed in claim 1, wherein the driving assembly includes a motor, a driving wheel, a driven wheel and a belt, the motor is fixed on the top of the movable support, the power output end of the motor is connected with the driving wheel, the driven wheel is rotatably connected on the movable support, the belt is parallel to the auxiliary guide pair, two ends of the belt are fixed on the base, the driving wheel is pressed on one surface of the belt, and the driven wheel is pressed on the other surface of the belt.
8. A linear guide pair running-in tester as claimed in claim 1, wherein the connection assembly includes a cross bar and a vertical bar, one end of the cross bar is connected to the movable support, the other end of the cross bar extends out towards one side of the guide pair to be tested and is connected to the upper end of the vertical bar, and the lower end of the vertical bar is connected to the sliding block.
9. A running-in tester for a linear guide pair as claimed in claim 7, wherein the cross bar is provided with an elongated hole for the upper end of the vertical rod to pass through, the upper end of the vertical rod is provided with a threaded portion, the threaded portion passes through the elongated hole and is fixed on the movable support through a lock nut, and the lower end of the vertical rod is movably inserted into the sliding block.
10. A linear guide pair running-in tester as claimed in claim 1, wherein the length and width dimensions of the guide mounting plate are matched with those of the guide pair to be tested, and the guide mounting plate is detachably connected to the machine frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332930.6A CN110954429A (en) | 2019-12-20 | 2019-12-20 | Linear guide pair running-in testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911332930.6A CN110954429A (en) | 2019-12-20 | 2019-12-20 | Linear guide pair running-in testing machine |
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| Publication Number | Publication Date |
|---|---|
| CN110954429A true CN110954429A (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911332930.6A Pending CN110954429A (en) | 2019-12-20 | 2019-12-20 | Linear guide pair running-in testing machine |
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| CN (1) | CN110954429A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624013A (en) * | 2022-03-17 | 2022-06-14 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
| CN115420489A (en) * | 2022-09-01 | 2022-12-02 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
-
2019
- 2019-12-20 CN CN201911332930.6A patent/CN110954429A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114624013A (en) * | 2022-03-17 | 2022-06-14 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
| CN114624013B (en) * | 2022-03-17 | 2023-03-10 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
| CN115420489A (en) * | 2022-09-01 | 2022-12-02 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
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