CN113048147A - High-precision linear motion guide rail of numerical control machine tool - Google Patents
High-precision linear motion guide rail of numerical control machine tool Download PDFInfo
- Publication number
- CN113048147A CN113048147A CN202110266257.1A CN202110266257A CN113048147A CN 113048147 A CN113048147 A CN 113048147A CN 202110266257 A CN202110266257 A CN 202110266257A CN 113048147 A CN113048147 A CN 113048147A
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- Prior art keywords
- ball
- guide rail
- linear motion
- machine tool
- motion guide
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- 238000005096 rolling process Methods 0.000 claims description 18
- 238000005461 lubrication Methods 0.000 claims description 13
- 230000001050 lubricating effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 238000007790 scraping Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 abstract description 9
- 125000006850 spacer group Chemical group 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0602—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
- F16C29/0604—Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/068—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track
- F16C29/0683—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque
- F16C29/0685—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with the bearing body fully encircling the guide rail or track the bearing body encircles a rail or rod of circular cross-section, i.e. the linear bearing is not suited to transmit torque with balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a high-precision linear motion guide rail of a numerical control machine tool, which comprises a cylindrical guide rod, a support, a ball sliding block and a plurality of ball retainers, wherein the ball retainers are arranged in an accommodating cavity formed by the ball sliding block and the cylindrical guide rod together; the cylindrical shape of the cylindrical guide rod provides better bending resistance and torsion resistance, meanwhile, the four ball retainers are respectively positioned on the cross center line of the cylindrical guide rod, the four ball retainers form 90 degrees in a pairwise correspondence mode, large-angle support is achieved, the anti-rotation force arm formed by the four ball retainers is also large, and therefore the bending resistance and the torsion resistance of the linear motion guide rail are further enhanced.
Description
Technical Field
The invention relates to the technical field of linear motion guide rails, in particular to a high-precision linear motion guide rail of a numerical control machine tool.
Background
The traditional linear motion guide rail is divided into a sliding linear motion guide rail and a rolling linear motion guide rail, but the damping of the sliding linear motion guide rail is larger because two opposite friction surfaces of a guide rail pair are in direct contact, so that the linear motion guide rail with a rolling body, namely the rolling linear motion guide rail, appears. The guide rail pair in the rolling type linear motion guide rail is supported by a rolling body between the motion part and the support guide rail, and the sliding friction between pure sliding surfaces is converted into rolling friction, so that the motion friction damping between the machine tool coordinate axis sliding plates is reduced, and the sliding smoothness and the sliding precision of the sliding block are ensured.
However, most of the existing rolling type linear motion guide rails are rectangular guide rails, the rectangular guide rails are flat, the bending resistance and the torsion resistance of the flat shape of the rectangular guide rails are not better than those of cylindrical guide rails, and sliding grooves in the rectangular guide rails are generally arranged on two sides of the rectangular guide rails, so that the torsion resistance of the linear motion guide rails is further weakened. And supply rolling spout of ball to be mostly circular slot on present guide rail and the slider, and want to guarantee that the ball can smoothly roll in the circular slot, just need to have certain clearance between circular slot and the ball, in order to provide the rolling space of ball, and this clearance then can lead to the rolling in-process of ball to appear the anomalous condition of rocking, and this can increase the ball and roll the irregularity, and the mutual wearing and tearing condition between the ball also can deepen, then send very big noise, be difficult to reach and guarantee to reach higher precision.
Disclosure of Invention
The invention aims to solve the technical problems and provides a high-precision linear motion guide rail of a numerical control machine tool, wherein a cylindrical guide rod is selected as the guide rail, the cylindrical shape of the guide rail can provide better bending resistance and torsion resistance, and meanwhile, four ball retainers are respectively positioned on the cross center line of the cylindrical guide rod, every two of the four ball retainers form 90 degrees, so that large-angle support is realized, the formed rotation resistance force arm is larger, and the bending resistance and the torsion resistance of the linear motion guide rail can be further enhanced.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a high-precision linear motion guide rail of a numerical control machine tool, which comprises a cylindrical guide rod, a support, a ball sliding block and a plurality of ball retainers, wherein the ball retainers are arranged in an accommodating cavity formed by the ball sliding block and the cylindrical guide rod together, four of the ball retainers are respectively positioned on a cross center line of the cylindrical guide rod, a common normal plane of all balls in the ball retainers is vertical to the peripheral wall of the cylindrical guide rod, and the normal plane is parallel to the axis of the cylindrical guide rod.
Preferably, the end of the receiving cavity is provided with a singler-type groove for the rolling of the ball.
Preferably, a spacer ring is provided between adjacent balls to separate the balls from each other.
Preferably, an annular lubricating groove communicated with the accommodating cavity is formed between the slider body in the middle of the ball slider and the end covers at the two ends of the ball slider.
Preferably, the slider body is provided with an oil filling through hole for filling oil into the annular lubricating groove, and the end of the oil filling through hole is provided with a plug.
Preferably, an annular sealing ring which is concentric with the annular lubricating groove is arranged between the end cover and the sliding block body, and the radius of the annular sealing ring is larger than that of the annular lubricating groove.
Preferably, an annular guide rail dirt scraping plate is arranged between the end cover and the cylindrical guide rod.
Preferably, the top end of the support is provided with a fracture which is axially parallel to the cylindrical guide rod, and the fracture is screwed through a clamping screw.
Compared with the prior art, the invention has the following technical effects:
1. the invention adopts the cylindrical guide rail as the guide rail, the bending resistance of the cylindrical shape of the guide rail is higher than that of the rectangular guide rail in the radial direction relative to the flat rectangular guide rail, and the ball retainer is arranged behind the cylindrical guide rail and the accommodating cavity in the ball sliding block, and the ball retainer arranged along the peripheral wall can effectively prevent the sliding block from rotating along two sides of the cylindrical guide rod, thereby improving the anti-rotation capability of the guide rail. Meanwhile, the common normal plane of all the balls in the ball retainer is perpendicular to the peripheral wall of the cylindrical guide rod and is parallel to the axis of the cylindrical guide rod, namely the strip-shaped ball retainer is perpendicular to the peripheral wall of the cylindrical guide rod, the ball retainer can provide good support for the ball sliding block, the radial bending deformation of the ball sliding block and the cylindrical guide rod is effectively prevented, the bending resistance of the linear motion guide rail is further improved, in addition, four ball retainers are respectively positioned on the cross central line of the cylindrical guide rod, the four ball retainers are correspondingly distributed in four directions of the cylindrical guide rod in an up-down and left-right mode at 90 degrees in a pairwise mode, therefore, the large-angle support between the cylindrical guide rod and the ball sliding block can be realized, the formed anti-rotation force arm is correspondingly increased, and the integral anti-torque capacity.
2. The end part of an accommodating cavity formed by the ball sliding block and the cylindrical guide rail is provided with a Gong type groove for rolling the ball; the special shape of the Gong's type groove can eliminate the clearance between the ball and the chute, thereby reducing the shaking of the ball and ensuring the smooth rolling of the ball; the axial clearance of the Gong's type groove can be adjusted to be very small, if a proper pre-tightening load is added, the cylindrical guide rail can have better rigidity, the elastic deformation among the ball, the ball sliding block and the cylindrical guide rail can be reduced during bearing, and higher precision is achieved.
3. Be equipped with the spacer ring that separates the ball each other between the adjacent ball, the friction between steel ball and the steel ball can effectual elimination by the spacer ring reaches the silence effect, eliminates the serious problem of generating heat simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of a linear motion guide rail;
FIG. 2 is a cross-sectional view of a front view of the linear motion guide;
FIG. 3 is an enlarged view of a portion of the linear motion guide;
FIG. 4 is a cross-sectional view of a left side view of the linear motion guide;
fig. 5 is a left side view of the linear motion guide.
Description of reference numerals: 1. a cylindrical guide rod; 2. a support; 3. a ball bearing; 4. a slider body; 5. an end cap; 6. a ball retainer; 7. an accommodating chamber; 8. a Gong's type trench; 9. a spacer ring; 10. an annular lubrication groove; 11. an oil filling through hole; 12. plugging with a thread; 13. an annular seal ring; 14. a guide rail dirt scraping plate; 15. and clamping the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a high-precision linear motion guide rail of a numerical control machine tool, as shown in fig. 1 to 5, the high-precision linear motion guide rail comprises a cylindrical guide rod 1, a support 2, a ball sliding block and a plurality of ball retainers 6, wherein the ball retainers 6 are arranged in an accommodating cavity 7 formed by the ball sliding block and the cylindrical guide rod 1 together, four ball retainers 6 are respectively positioned on a cross center line of the cylindrical guide rod 1, namely, the four ball retainers 6 are in up-down left-right four directions of the cylindrical guide rod 1, every two of the four ball retainers 6 correspond to each other, and connecting lines of the two opposite ball retainers 6 are mutually perpendicular, so that large-angle support of the ball sliding block in the four directions is realized, and the anti-torsion; meanwhile, the common normal plane of all the balls 3 in the four ball retainers 6 is perpendicular to the peripheral wall of the cylindrical guide rod 1, and meanwhile, the normal plane is parallel to the axis of the cylindrical guide rod 1, namely, the strip-shaped closed ball ring formed by the ball retainers 6 and the balls 3 is perpendicular to and parallel to the cylindrical guide rod 1, so that the supporting and limiting effects are achieved, the bending resistance of the ball sliding block in the radial direction is effectively improved, the stability of the ball sliding block in the cylindrical guide rod 1 is guaranteed to be improved, and the sliding accuracy of the ball sliding block is improved.
In this embodiment, the end of the accommodating chamber 7 is provided with a singing type groove 8 for rolling the ball 3, the accommodating chamber 7 is composed of a cylindrical guide rod 1 and a ball sliding groove on a ball sliding block, as shown in fig. 4 and 5, the ball sliding groove on the cylindrical guide rod 1 is the singing type groove 8, the bottom of the ball sliding groove on the ball sliding block is also the singing type groove 8, after the ball retainer 6 is put into the accommodating chamber 7, a plurality of balls 3 arranged in the strip-shaped closed ball ring are contacted with the singing type groove 8 in the ball sliding block, a plurality of balls 3 arranged in the lower row are contacted with the singing type groove 8 in the cylindrical guide rod 1, the special shape of the bottom of the singing type groove 8 can reduce the clearance between the sliding groove and the ball 3 as much as possible, the ball 3 can be optimally contacted with the sliding groove, the rotation flexibility of the ball 3 is ensured, and further after a pre-, axial clearance can be eliminated, rigidity of the cylindrical guide rod 1 is increased, elastic deformation among the ball 3, the cylindrical guide rod 1 and the ball sliding block is reduced, and higher precision is achieved.
In this embodiment, as shown in fig. 2 to 3, the ball retainer 6 and the accommodating chamber 7 form an elongated annular ball slideway, two ends of the annular ball slideway are two slideways with U-shaped cross sections, when rolling, the balls 3 arranged on the closed ball ring can slide into the lower slideway from the upper slideway of the annular ball slideway through the U-shaped slideway at one end of the annular ball slideway, and the balls 3 arranged on the lower part of the closed ball ring slide into the upper slideway from the lower slideway of the annular ball slideway through the U-shaped slideway at the other end of the annular ball slideway, so as to form the closed rolling ball ring.
Further, in order to reduce the processing difficulty and cost, as shown in fig. 1 to 5, the linear motion guide rail in the embodiment only includes four ball retainers 6, the four ball retainers 6 are respectively located on the cross center line of the cylindrical guide rod 1, the corresponding cylindrical guide rod 1 is correspondingly provided with only four singer-type grooves 8, after the ball retainers 6 are arranged in the accommodating cavity 7, an anti-rotation arm is formed among the cylindrical guide rod 1, the ball retainers 6 and the ball slider, and the anti-rotation rigidity of the ball slider is ensured.
In this embodiment, as shown in fig. 2 to 3, a spacer ring 9 is provided between adjacent balls 3 to separate the balls 3 from each other, and due to the existence of the spacer ring 9, the adjacent balls 3 are separated from each other, and the balls 3 do not rub against each other when rotating, so that the problems of serious heat generation and loud noise of the balls 3 due to friction are solved, the smooth rolling of the balls 3 is ensured, and the overall accuracy of the linear motion guide rail is improved.
In this embodiment, as shown in fig. 1 to 5, the ball slider is composed of a slider body 4 at the middle and end caps 5 at both ends, the end caps 5 are tightly connected with the slider body 4 through bolts, an annular lubrication groove 10 is provided between the slider body 4 and the end caps 5 at both ends, and the annular lubrication groove 10 is communicated with the accommodating chamber 7.
Further, as shown in fig. 1 to 5, the ball slider is composed of a slider body 4 at the middle part and end covers 5 at both ends, the end covers 5 are tightly connected with the slider body 4 through bolts, meanwhile, an annular lubrication groove 10 is arranged between the slider body 4 and the end covers 5 at both ends, the annular lubrication groove 10 is communicated with the accommodating cavity 7, and the ball 3 and the ball retainer 6 in the accommodating cavity 7 can be lubricated by injecting lubricating oil into the annular lubrication groove 10.
Furthermore, in this embodiment, be equipped with the oiling through-hole 11 for annular lubrication groove 10 oiling on the slider body 4, provide lubricating oil for holding chamber 7 through oiling through-hole 11, ball 3 can be more smooth and easy roll under the lubricating oil effect, reduces the friction loss, strengthens linear motion guide rail's life. After the lubricating oil is filled, a plug 12 is arranged at the end of the oil filling through hole 11 for plugging.
Further, in this embodiment, as shown in fig. 1 to 5, an annular seal ring 13 is disposed between the end cover 5 and the slider body 4, the annular seal ring 13 is concentrically disposed with the annular lubrication groove 10, and a radius of the annular seal ring 13 is greater than that of the annular lubrication groove 10, that is, the annular seal ring 13 is located on an outer ring of the annular lubrication groove 10, so that the annular lubrication groove 10 is surrounded by the annular seal ring 13, thereby preventing the lubricant in the annular lubrication groove 10 from leaking out, and ensuring the sealing performance of the slider body 4 and the end cover 5.
In this embodiment, be provided with annular guide rail between end cover 5 and the cylindrical guide arm 1 and scrape dirty board 14, the periphery that guide rail scraped dirty board 14 can be the rubber material, can strike off dust mud etc. on the cylindrical guide arm 1, avoids in the dust gets into the ball slider, influences the operation of ball slider. Meanwhile, the guide rail dirt scraping plate 14 can also be made of stainless steel, and can scrape some foreign matters with strong adhesion, such as metal chips and the like, from the cylindrical guide rod 1 so as to ensure smooth sliding of the ball sliding block.
In this embodiment, the top of support 2 is equipped with the fracture parallel with cylindrical guide rod 1 axial, the fracture be provided with do benefit to quick and laborsaving the inserting and extracting of the end of cylindrical guide rod 1, through outside rotating clamping screw 15, make the fracture at support 2 top open, then insert the end of cylindrical guide rod 1 in the circular slot of support 2, then make the fracture tighten up at the clamping screw 15 that revolves, thereby make support 2 press from both sides tight cylindrical guide rod 1, guarantee that support 2 can stabilize install on cylindrical guide rod 1.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. The high-precision linear motion guide rail of the numerical control machine tool comprises a cylindrical guide rod, a support, ball sliding blocks and ball retainers, wherein the ball retainers are arranged in accommodating cavities formed by the ball sliding blocks and the cylindrical guide rod together.
2. A high precision linear motion guide rail for a numerical control machine tool according to claim 1, characterized in that the end of the containing cavity is provided with a singing type groove for rolling the ball.
3. The numerically-controlled machine tool high-precision linear motion guide rail according to claim 1 or 2, wherein a spacing ring for spacing the balls from each other is arranged between the adjacent balls.
4. The numerical control machine tool high-precision linear motion guide rail as claimed in claim 1, wherein an annular lubrication groove communicated with the accommodating cavity is formed between the slide body in the middle of the ball slide and the end covers at two ends of the ball slide.
5. The numerical control machine tool high-precision linear motion guide rail according to claim 4, wherein the slider body is provided with an oil filling through hole for filling oil into the annular lubricating groove, and the end of the oil filling through hole is provided with a plug.
6. The numerically-controlled machine tool high-precision linear motion guide rail according to claim 4, wherein an annular sealing ring concentric with the annular lubricating groove is arranged between the end cover and the slider body, and the radius of the annular sealing ring is larger than that of the annular lubricating groove.
7. The high-precision linear motion guide rail of the numerical control machine tool as claimed in claim 1, wherein an annular guide rail dirt scraping plate is arranged between the end cover and the cylindrical guide rod.
8. The numerically-controlled machine tool high-precision linear motion guide rail according to claim 1, wherein a fracture axially parallel to the cylindrical guide rod is formed in the top end of the support, and the fracture is tightened through a clamping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266257.1A CN113048147A (en) | 2021-03-11 | 2021-03-11 | High-precision linear motion guide rail of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110266257.1A CN113048147A (en) | 2021-03-11 | 2021-03-11 | High-precision linear motion guide rail of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113048147A true CN113048147A (en) | 2021-06-29 |
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ID=76511477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110266257.1A Pending CN113048147A (en) | 2021-03-11 | 2021-03-11 | High-precision linear motion guide rail of numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113048147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909839A (en) * | 2021-10-19 | 2022-01-11 | 浙江欧治汽车技术有限公司 | Method and equipment for loading balls on bearing retainer |
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|---|---|---|---|---|
| US3545826A (en) * | 1969-05-07 | 1970-12-08 | John B Thomson | Compliant and self-alining ball bearing for linear motion |
| JPH01112022A (en) * | 1987-10-26 | 1989-04-28 | Agency Of Ind Science & Technol | Straightly moving ball bearing unit with retainer |
| US5476325A (en) * | 1994-02-23 | 1995-12-19 | Nippon Thompson Co., Ltd. | Ball spline |
| CN101025197A (en) * | 2006-02-21 | 2007-08-29 | 上银科技股份有限公司 | Dust-proof structure of slider of linear slide rail |
| CN102359489A (en) * | 2011-10-22 | 2012-02-22 | 威海利奥泰儆自动化设备有限公司 | Ball spline pair with low friction force and low weight |
| US20120201483A1 (en) * | 2011-02-09 | 2012-08-09 | Nippon Thompson Co., Ltd | Miniature linear motion guide unit with lubrication system |
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| CN210484401U (en) * | 2019-08-16 | 2020-05-08 | 河北维迪自动化技术有限公司 | Silent type linear guide rail sliding block pair |
-
2021
- 2021-03-11 CN CN202110266257.1A patent/CN113048147A/en active Pending
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| JPH01112022A (en) * | 1987-10-26 | 1989-04-28 | Agency Of Ind Science & Technol | Straightly moving ball bearing unit with retainer |
| US5476325A (en) * | 1994-02-23 | 1995-12-19 | Nippon Thompson Co., Ltd. | Ball spline |
| CN101025197A (en) * | 2006-02-21 | 2007-08-29 | 上银科技股份有限公司 | Dust-proof structure of slider of linear slide rail |
| US20120201483A1 (en) * | 2011-02-09 | 2012-08-09 | Nippon Thompson Co., Ltd | Miniature linear motion guide unit with lubrication system |
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| JP2019100415A (en) * | 2017-11-30 | 2019-06-24 | 日本精工株式会社 | Anti-cementation agent infiltration prevention bearing structure, four-point contact ball bearing including the same and ball screw device |
| CN210461397U (en) * | 2019-06-11 | 2020-05-05 | 河北维迪自动化技术有限公司 | Self-lubricating type linear guide rail sliding block pair |
| CN210484401U (en) * | 2019-08-16 | 2020-05-08 | 河北维迪自动化技术有限公司 | Silent type linear guide rail sliding block pair |
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| Title |
|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909839A (en) * | 2021-10-19 | 2022-01-11 | 浙江欧治汽车技术有限公司 | Method and equipment for loading balls on bearing retainer |
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Application publication date: 20210629 |