CN108871744B - Multi-working-condition linear guide pair friction and wear testing machine - Google Patents
Multi-working-condition linear guide pair friction and wear testing machine Download PDFInfo
- Publication number
- CN108871744B CN108871744B CN201810442360.5A CN201810442360A CN108871744B CN 108871744 B CN108871744 B CN 108871744B CN 201810442360 A CN201810442360 A CN 201810442360A CN 108871744 B CN108871744 B CN 108871744B
- Authority
- CN
- China
- Prior art keywords
- sliding block
- linear guide
- guide rail
- base
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention relates to a multi-working-condition linear guide rail pair friction wear testing machine which comprises a base and a linear guide rail pair detachably connected to the base, wherein the linear guide rail pair comprises a linear guide rail and a sliding block, the linear guide rail is connected to the base through a bolt, and the sliding block is connected to the linear guide rail in a rolling manner; the device comprises a base, a driving device, a loading device and a clamping device for clamping a sliding block, wherein the driving device is fixedly arranged on the base, the clamping device is matched and arranged with the driving device through a connecting frame, the loading device is arranged above the sliding block, the driving device is used for realizing adjustment of different running-in speeds and running-in distances, the loading device applies loads of different sizes to the sliding block, and the clamping device realizes friction and abrasion tests of testing machines of different models and sizes through adjustment of tightness of the sliding block; the friction wear test of variable load, variable running-in speed and running-in distance can be carried out on linear guide rail pairs of different models, and the friction wear test device has the advantages of compact structure and low cost.
Description
Technical Field
The invention relates to a multi-working-condition linear guide pair friction and wear testing machine, and belongs to a mechanical linear guide pair friction and wear testing device.
Background
The linear guide rail pair is used as a precise linear guide part, the motion of the linear guide rail pair realizes rolling friction by virtue of a rolling body between a sliding block and a guide rail, and the linear guide rail pair has the advantages of small friction resistance, small difference of dynamic and static friction resistance, difficult generation of creeping at low speed, large bearing, high precision, reliability, standardization and other excellent characteristics, and is increasingly applied and paid attention to the fields of numerical control machinery, automatic production lines and the like. The wear and the service life of the guide rails have a direct influence on the reliability and the service life of the machine parts. The friction wear testing machine to the linear guide is vice at present the kind is less, and can only be applicable to the linear guide of a model pair basically, and the universality of testing machine is relatively poor, to different sliders, needs to use different friction wear testing machines, and efficiency of software testing is lower, will bring higher experiment cost from this. The existing friction wear testing machine mainly uses a servo system and a weight loading mode, the testing machine cost of the servo system is high, the testing machine using the weight loading needs to be manually attended, the testing efficiency is low, and the cost is high. In order to efficiently evaluate the abrasion condition of the rolling linear guide rail pair, a linear guide rail pair friction abrasion testing machine with variable load, variable running-in speed and variable running-in distance needs to be designed for friction abrasion test.
Disclosure of Invention
The invention provides a multi-working-condition linear guide rail pair friction wear testing machine which can be used for carrying out friction wear tests with variable load, variable running-in speed and variable running-in distance on linear guide rail pairs of different models and has the advantages of compact structure and low cost.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a multi-working-condition linear guide rail pair friction wear testing machine comprises a base and a linear guide rail pair detachably connected to the base, wherein the linear guide rail pair comprises a linear guide rail and a sliding block, the linear guide rail is connected to the base through a bolt, and the sliding block is connected to the linear guide rail in a rolling manner;
the device comprises a base, a driving device, a loading device and a clamping device for clamping a sliding block, wherein the driving device is fixedly arranged on the base, the clamping device is matched and arranged with the driving device through a connecting frame, the loading device is arranged above the sliding block, the driving device is used for realizing adjustment of different running-in speeds and running-in distances, the loading device applies loads of different sizes to the sliding block, and the clamping device realizes friction and abrasion tests of testing machines of different models and sizes through adjustment of tightness of the sliding block;
as a further preferred embodiment of the present invention, the driving device includes two motors installed side by side, one side of each of the motors is fixed to one end of the base, the other side of each of the motors is fixed to the first baffle, a coupler is installed on one side of each of the two motors, which is fixedly connected to the first baffle, and an output shaft of each of the motors is connected to one end of a ball screw through the coupler;
the clamping device comprises a Y-shaped connecting rod, the vertical end of the Y-shaped connecting rod is fixed on the other side of the connecting frame opposite to the first baffle, the two forked ends of the Y-shaped connecting rod are respectively connected with adjusting blocks, and a space for clamping the sliding block is formed between the two adjusting blocks;
the loading device comprises a hydraulic cylinder, a piston rod of the hydraulic cylinder is aligned with the sliding block, the hydraulic cylinder is arranged above the sliding block through a support frame, a cross beam arranged on the support frame is connected with a connecting frame, and the bottom of the support frame is slidably connected to the base through a support bearing;
as a further preference of the invention, threaded holes are respectively formed on the two ends of the fork of the Y-shaped connecting rod, a threaded rod is mounted on one side of each adjusting block, the threaded rod is matched with the threaded holes, and the adjusting blocks are respectively fixed at the fork ends of the Y-shaped connecting rod;
as a further preferred embodiment of the present invention, the supporting frame is a U-shaped structure, an opening end of the supporting frame is opposite to the base, the supporting frame is respectively provided with a supporting frame bearing, guide rail grooves are formed in the base on two sides of the linear guide rail in parallel, and the supporting frame bearings are respectively movably connected in the guide rail grooves; a cross beam is arranged at the end, close to the opening, of the support frame, the cross beam is vertically arranged with the linear guide rail, and the middle position of the cross beam is connected with the connecting frame through a metal pin;
as a further preferred aspect of the present invention, the top of the hydraulic cylinder is fixed to the closed end of the support frame by a plurality of nuts;
in a further preferred embodiment of the present invention, the number of the nuts is four.
Through the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the testing machine adopts a driving mode that the double motors drive the ball screw, realizes synchronous reciprocating motion of the slide block and the hydraulic cylinder at different running-in speeds and running-in distances through the driving device, and can realize friction and abrasion tests of the linear guide rail pair under different load actions by utilizing the hydraulic cylinder connected with the external oil supply device;
aiming at the sliding blocks with different model sizes, the adjusting blocks on the connecting frame are used for adjusting the distance and clamping the sliding blocks, so that the friction and abrasion test of the linear guide rail pairs with different models can be realized, and the applicability of the testing machine is enhanced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an overall three-dimensional structural view of a testing machine according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the overall three-dimensional structure of the testing machine according to the preferred embodiment of the present invention;
FIG. 3 is a side view of the overall three-dimensional structure of the testing machine of the preferred embodiment of the present invention;
FIG. 4 is a three-dimensional structural view of a driving device of the testing machine of the preferred embodiment of the present invention;
FIG. 5 is a three-dimensional structural view of a clamping device of the testing machine of the preferred embodiment of the present invention;
FIG. 6 is a three-dimensional structural view of a loading device of the testing machine of the preferred embodiment of the present invention;
FIG. 7 is a three-dimensional structural view of a Y-shaped connecting rod of the testing machine of the preferred embodiment of the present invention;
FIG. 8 is a three-dimensional block diagram of the adjustment block of the testing machine in accordance with the preferred embodiment of the present invention;
fig. 9 is a three-dimensional structural view of a guide rail groove of a testing machine according to a preferred embodiment of the present invention.
In the figure: the automatic adjusting device comprises a base 1, a first baffle 2, a support frame 3, a connecting frame 4, a bearing 5, a hydraulic cylinder 6, a second baffle 7, nuts 8 and 9, ball screws 10 and 11, a motor 12, a linear guide rail 13, a sliding block 14, a Y-shaped connecting rod 15, a metal pin 16, an adjusting block 17, a support bearing 18, a cross beam 19 and a coupler 20.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1-9, the present invention includes the following features: the automatic adjusting device comprises a base 1, a first baffle 2, a support frame 3, a connecting frame 4, a bearing 5, a hydraulic cylinder 6, a second baffle 7, nuts 8 and 9, ball screws 10 and 11, a motor 12, a linear guide rail 13, a sliding block 14, a Y-shaped connecting rod 15, a metal pin 16, an adjusting block 17, a support bearing 18, a cross beam 19 and a coupler 20.
Referring to fig. 1-3, the invention relates to a friction wear testing machine for a multi-working-condition linear guide rail pair,
the device comprises a base and a linear guide rail pair detachably connected to the base, wherein the linear guide rail pair comprises a linear guide rail and a sliding block, the linear guide rail is connected to the base through a bolt, and the sliding block is connected to the linear guide rail in a rolling manner;
the device comprises a base, a driving device, a loading device and a clamping device for clamping a sliding block, wherein the driving device is fixedly arranged on the base, the clamping device is matched and arranged with the driving device through a connecting frame, the loading device is arranged above the sliding block, the driving device is used for realizing adjustment of different running-in speeds and running-in distances, the loading device applies loads of different sizes to the sliding block, and the clamping device realizes friction and abrasion tests of testing machines of different models and sizes through adjustment of tightness of the sliding block;
as a further preferred aspect of the present invention,
the driving device comprises two motors which are arranged side by side, one side of each motor is fixed at one end of the base, the other side of each motor is fixed with the first baffle, a coupler is respectively arranged at one side of each motor which is fixedly connected with the first baffle, an output shaft of each motor is respectively connected with one end of a ball screw through the couplers, a nut is respectively sleeved on each ball screw and connected with the connecting frame through a bolt, the other end of the base is provided with the second baffle, and the other end of each ball screw is connected with the second baffle through a bearing;
the rotating speed and the steering of the ball screw are controlled by controlling the output rotating speed and the steering of the motor, two nuts on the ball screw are fixed with the connecting frame through screws, and the rotating speed and the steering of the ball screw are converted into reciprocating linear motion of the nuts through threaded connection of the ball screw and the nuts;
the clamping device comprises a Y-shaped connecting rod, the vertical end of the Y-shaped connecting rod is fixed on the other side of the connecting frame opposite to the first baffle, as shown in fig. 8, two forked ends of the Y-shaped connecting rod are respectively connected with adjusting blocks, and a space for clamping the sliding block is formed between the two adjusting blocks;
the distance between the adjusting block and the two side faces of the sliding block can be adjusted according to the sliding blocks of different models, stepless adjustment can be realized in a threaded connection mode, the clamping of the sliding blocks of various models and sizes is realized, the reciprocating linear motion of the nut is transmitted to the Y-shaped connecting rod through the connecting frame, and the sliding block is driven to realize the reciprocating linear motion; therefore, the sliding block friction and wear test under the working conditions of various running-in speeds and running-in distances can be realized by the driving device shown in fig. 4 and the clamping device shown in fig. 5;
as shown in fig. 6, the loading device includes a hydraulic cylinder, a piston rod of the hydraulic cylinder is aligned with the slider, the hydraulic cylinder is disposed above the slider through a support frame, a cross beam disposed on the support frame is connected to the connecting frame, and the bottom of the support frame is slidably connected to the base through a support bearing; as shown in fig. 7, as a further preferred embodiment of the present invention, threaded holes are respectively formed on two ends of the fork of the Y-shaped connecting rod, a threaded rod is installed on one side of each adjusting block, the threaded rod is matched with the threaded hole, and the adjusting blocks are respectively fixed at the fork ends of the Y-shaped connecting rod;
as shown in fig. 6, as a further preferred embodiment of the present invention, the supporting frame is a U-shaped structure, the open end of the supporting frame is opposite to the base, and the supporting frame bearings are respectively installed on the supporting frame, as shown in fig. 9, guide rail grooves are parallelly formed on the two sides of the linear guide rail on the base, and the supporting frame bearings are respectively movably connected in the guide rail grooves; a cross beam is arranged at the end, close to the opening, of the support frame, the cross beam is vertically arranged with the linear guide rail, and the middle position of the cross beam is connected with the connecting frame through a metal pin;
the loading device applies load through the hydraulic cylinder, the piston rod of the hydraulic cylinder is arranged right above the upper end surface of the sliding block, the uniformity of the load application is ensured, downward load is applied to the sliding block according to the requirements of a friction wear test, meanwhile, a cross beam in the supporting frame is connected with the connecting frame through a metal pin, meanwhile, the bottom end of the support frame of the hydraulic cylinder is provided with a support bearing, the support bearing can reciprocate in the guide rail groove of the base under the traction of the connecting frame, the hydraulic cylinder applies load to the slide block, the piston rod is subjected to upward reaction force generated by the slide block, namely the support frame is subjected to upward reaction force, the reaction force is counteracted by the contact of the support frame bearing and the upper surface of the guide rail groove, therefore, the reciprocating linear motion of the connecting frame can drive the hydraulic cylinder to realize the reciprocating linear motion, and the sliding block is always in a loading state in the running-in process, so that different loads can be applied to the sliding block through the hydraulic cylinder.
As a further preferred aspect of the present invention, the top of the hydraulic cylinder is fixed to the closed end of the support frame by a plurality of nuts;
in a further preferred embodiment of the present invention, the number of the nuts is four.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The meaning of "and/or" as used herein is intended to include both the individual components or both.
The term "connected" as used herein may mean either a direct connection between components or an indirect connection between components via other components.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a vice frictional wear testing machine of multiplex condition linear guide which characterized in that: the device comprises a base and a linear guide rail pair detachably connected to the base, wherein the linear guide rail pair comprises a linear guide rail and a sliding block, the linear guide rail is connected to the base through a bolt, and the sliding block is connected to the linear guide rail in a rolling manner;
the device comprises a base, a driving device, a loading device and a clamping device for clamping a sliding block, wherein the driving device is fixedly arranged on the base, the clamping device is matched and arranged with the driving device through a connecting frame, the loading device is arranged above the sliding block, the driving device is used for realizing adjustment of different running-in speeds and running-in distances, the loading device applies loads of different sizes to the sliding block, and the clamping device realizes friction and abrasion tests of testing machines of different models and sizes through adjustment of tightness of the sliding block;
the driving device comprises two motors which are arranged side by side, one side of each motor is fixed at one end of the base, the other side of each motor is fixed with the first baffle, a coupler is respectively arranged at one side of each motor which is fixedly connected with the first baffle, an output shaft of each motor is respectively connected with one end of a ball screw through the couplers, a nut is respectively sleeved on each ball screw and connected with the connecting frame through a bolt, the other end of the base is provided with the second baffle, and the other end of each ball screw is connected with the second baffle through a bearing; the rotating speed and the steering of the ball screw are controlled by controlling the output rotating speed and the steering of the motor, two nuts on the ball screw are fixed with the connecting frame through bolts, and the rotating speed and the steering of the ball screw are converted into reciprocating linear motion of the nuts through threaded connection of the ball screw and the nuts;
the loading device comprises a hydraulic cylinder, a piston rod of the hydraulic cylinder is aligned with the sliding block, the hydraulic cylinder is arranged above the sliding block through a support frame, a cross beam arranged on the support frame is connected with a connecting frame, and the bottom of the support frame is slidably connected to the base through a support bearing;
the clamping device comprises a Y-shaped connecting rod, the vertical end of the Y-shaped connecting rod is fixed on the other side, opposite to the first baffle, of the connecting frame, two forked end heads of the Y-shaped connecting rod are respectively connected with adjusting blocks, a space for clamping the sliding block is formed between the two adjusting blocks, threaded holes are respectively formed in the two forked end heads of the Y-shaped connecting rod, a threaded rod is installed on one side of each adjusting block and matched with the threaded holes, the adjusting blocks are respectively fixed at the forked ends of the Y-shaped connecting rod, the distance between each adjusting block and the two side faces of each sliding block can be adjusted according to the sliding blocks of different models, the reciprocating linear motion of the nut is transmitted to the Y-shaped connecting;
the loading device applies load through the hydraulic cylinder, a piston rod of the hydraulic cylinder is placed right above the upper end face of the sliding block, the uniformity of load application is ensured, the load is applied to the sliding block downwards according to the requirements of a friction and wear test, meanwhile, a cross beam in the supporting frame is connected with the connecting frame through a metal pin, meanwhile, a supporting frame bearing is installed at the bottom end of the supporting frame of the hydraulic cylinder, the supporting frame bearing can reciprocate in a guide rail groove of the base under the traction of the connecting frame, when the hydraulic cylinder applies load to the sliding block, the piston rod is subjected to upward reaction force generated by the sliding block, namely the supporting frame is subjected to upward reaction force, the reaction force is offset by the contact of the supporting frame bearing and the upper surface of the guide rail groove, therefore, the reciprocating linear motion of the connecting frame can drive the hydraulic cylinder to realize reciprocating linear motion, the sliding block, the synchronous reciprocating motion of different running-in speeds and running-in distances of the sliding block and the hydraulic cylinder is realized through the driving device, and the friction and wear test of the linear guide rail pair under the action of different loads can be realized by utilizing the hydraulic cylinder connected with the external oil supply device.
2. The multi-operating-condition linear guide pair friction wear testing machine of claim 1, characterized in that: the support frame is of a U-shaped structure, the opening end of the support frame is opposite to the base, support frame bearings are respectively arranged on the support frame, guide rail grooves are formed in the two sides of the linear guide rail on the base in parallel, and the support frame bearings are respectively movably connected in the guide rail grooves; a cross beam is arranged at the end, close to the opening, of the support frame, the cross beam is perpendicular to the linear guide rails, and the middle of the cross beam is connected with the connecting frame through a metal pin.
3. The multi-operating-condition linear guide pair friction wear testing machine of claim 2, characterized in that: the top of the hydraulic cylinder is fixed on the closed end of the support frame through a plurality of nuts.
4. The multi-operating-condition linear guide pair friction wear testing machine according to claim 3, characterized in that: the number of the nuts is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442360.5A CN108871744B (en) | 2018-05-10 | 2018-05-10 | Multi-working-condition linear guide pair friction and wear testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442360.5A CN108871744B (en) | 2018-05-10 | 2018-05-10 | Multi-working-condition linear guide pair friction and wear testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108871744A CN108871744A (en) | 2018-11-23 |
| CN108871744B true CN108871744B (en) | 2020-10-09 |
Family
ID=64333593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442360.5A Active CN108871744B (en) | 2018-05-10 | 2018-05-10 | Multi-working-condition linear guide pair friction and wear testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108871744B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111809920A (en) * | 2020-07-01 | 2020-10-23 | 上海航天精密机械研究所 | Flexible adjustment universal bracket device for supporting load with circular cross section |
| CN115420489B (en) * | 2022-09-01 | 2024-07-30 | 咸阳丰宁机械有限公司 | Wear detection platform for linear guide rail pair with variable load |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339112A (en) * | 2008-08-19 | 2009-01-07 | 东南大学 | Machine tool guiding rail friction wear testing machine |
| CN201259483Y (en) * | 2008-08-19 | 2009-06-17 | 东南大学 | Friction wear property test apparatus for machine tool guide rail |
| CN101660957A (en) * | 2009-09-22 | 2010-03-03 | 南京理工大学 | Rolling linear guide friction force dynamic detection device and detection method thereof |
| CN104101491A (en) * | 2014-07-01 | 2014-10-15 | 华中科技大学 | Device for detecting performance of rolling linear guide rail pair |
| CN104236483A (en) * | 2014-09-22 | 2014-12-24 | 张家港斯克斯精密机械科技有限公司 | Device and method for measuring precision and friction force of rolling linear guide rail pair |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| CN106017889A (en) * | 2016-06-22 | 2016-10-12 | 北京工业大学 | Test device and detection method for detecting comprehensive performance degradation of rolling linear guideway pair |
| CN107860672A (en) * | 2017-10-29 | 2018-03-30 | 北京工业大学 | Digit Control Machine Tool combines linear feed unit wear law experimental rig |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100926545B1 (en) * | 2008-01-11 | 2009-11-12 | 평화산업주식회사 | Apparatus for testing a damper pulley |
| RU135418U1 (en) * | 2013-06-19 | 2013-12-10 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Ижевский государственный технический университет имени М.Т. Калашникова" | FRICTION MACHINE |
| CN204556253U (en) * | 2015-04-08 | 2015-08-12 | 东南大学 | A kind of ball screw assembly, wear measurement testing table |
| BR102015025199A2 (en) * | 2015-10-01 | 2017-07-25 | Universidade Tecnológica Federal Do Paraná | ASTM G65 INSTRUMENTATED ABRASION TEST EQUIPMENT |
-
2018
- 2018-05-10 CN CN201810442360.5A patent/CN108871744B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339112A (en) * | 2008-08-19 | 2009-01-07 | 东南大学 | Machine tool guiding rail friction wear testing machine |
| CN201259483Y (en) * | 2008-08-19 | 2009-06-17 | 东南大学 | Friction wear property test apparatus for machine tool guide rail |
| CN101660957A (en) * | 2009-09-22 | 2010-03-03 | 南京理工大学 | Rolling linear guide friction force dynamic detection device and detection method thereof |
| CN104101491A (en) * | 2014-07-01 | 2014-10-15 | 华中科技大学 | Device for detecting performance of rolling linear guide rail pair |
| CN104236483A (en) * | 2014-09-22 | 2014-12-24 | 张家港斯克斯精密机械科技有限公司 | Device and method for measuring precision and friction force of rolling linear guide rail pair |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| CN106017889A (en) * | 2016-06-22 | 2016-10-12 | 北京工业大学 | Test device and detection method for detecting comprehensive performance degradation of rolling linear guideway pair |
| CN107860672A (en) * | 2017-10-29 | 2018-03-30 | 北京工业大学 | Digit Control Machine Tool combines linear feed unit wear law experimental rig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108871744A (en) | 2018-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101339112B (en) | Machine tool guiding rail friction wear testing machine | |
| CN105372061B (en) | A kind of ball screw assembly, axial loading device | |
| CN103698116B (en) | Spring-loaded linear electromechanical actuator performance test experiment table | |
| CN108871744B (en) | Multi-working-condition linear guide pair friction and wear testing machine | |
| CN109470479B (en) | Friction performance test bed for large-shaft-diameter sliding bearing group with adjustable distance under dynamic load | |
| CN102890000A (en) | Planar continuous loading testing device for numerical-control movable worktable | |
| CN108760348B (en) | Heavy load wheel test bed | |
| CN107322255B (en) | Lifting mechanism | |
| CN110280631B (en) | Mechanical all-electric servo numerical control bending machine based on multi-degree-of-freedom coupling driving | |
| CN202974605U (en) | Rolling linear guide rail pair static stiffness measuring device | |
| CN202676449U (en) | Load controllable passive type servo-actuated force application linear guide rail pair test device | |
| CN101782460A (en) | Double-oil cylinder loaded ball screw assembly test bed | |
| CN212539654U (en) | Electronic jar capability test platform | |
| CN101957271A (en) | High-speed large-displacement servo loading test platform | |
| CN201259483Y (en) | Friction wear property test apparatus for machine tool guide rail | |
| CN117405343A (en) | Axial impact load test device for operation process of planetary roller screw | |
| CN201680959U (en) | Double hydraulic cylinder loaded ball screw auxiliary experiment table | |
| CN116242727A (en) | Impact load friction wear testing machine | |
| CN106769034B (en) | Bearing accelerated life test bed | |
| CN113686655B (en) | Frictional wear experimental device capable of realizing time-varying positive pressure | |
| CN110280632B (en) | High-speed heavy-load mechanical all-electric servo numerical control bending machine based on compound drive | |
| CN210719025U (en) | Equipment for testing linear actuating mechanism | |
| CN110280633B (en) | High-speed heavy-load full-electric servo numerical control bending machine with multiple working modes | |
| CN113340594A (en) | Fatigue life testing device and method for heavy-load planetary roller screw | |
| CN203338140U (en) | X-shaft electric control translation mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |