CN106050945B - Thin-wall crossed roller bearing assembly process - Google Patents
Thin-wall crossed roller bearing assembly process Download PDFInfo
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- CN106050945B CN106050945B CN201610680564.3A CN201610680564A CN106050945B CN 106050945 B CN106050945 B CN 106050945B CN 201610680564 A CN201610680564 A CN 201610680564A CN 106050945 B CN106050945 B CN 106050945B
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- 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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
- F16C43/06—Placing rolling bodies in cages or bearings
Abstract
The invention discloses a thin-wall crossed roller bearing which comprises a bearing outer ring, a bearing inner ring, rollers, an assembly round hole, an assembly cylinder, a V-shaped groove, a V-shaped rolling path, a V-shaped arc groove, a semi-positioning pin and a pin hole, wherein the bearing inner ring is arranged on the bearing outer ring; the bearing inner ring is assembled in the bearing outer ring, V-shaped raceways are arranged on the inner side of the bearing outer ring and the outer side of the bearing inner ring, and V-shaped arc grooves are formed in the V-shaped raceways; an assembly round hole is formed in the middle of the bearing outer ring, an assembly cylinder is arranged in the assembly round hole, pin holes are formed in the assembly round hole and the side face of the bearing outer ring of the assembly cylinder, and two semi-positioning pins with guide heads are arranged in the pin holes of the bearing outer ring; according to the invention, the two semi-positioning pins are arranged on the bearing outer ring, and are integrally formed by grinding, so that the problem of inaccurate repeated positioning is obviously solved, the problem of unsmooth operation of the V-shaped roller path and the roller is thoroughly solved, the product yield is greatly improved, the manufacturing cost is reduced, the product performance is improved, and the service life of the bearing is prolonged.
Description
Technical Field
The invention relates to the technical field of thin-wall roller bearing equipment, in particular to a thin-wall crossed roller bearing assembly process.
Background
The precision thin-wall crossed roller bearing is roughly divided into two types: outer lane is split type and interior outer lane is integral, and the whole thin wall of interior outer lane is crossed roller bearing and is offered an pilot hole usually in the middle of the outer diameter face of outer lane for pack into the roller, and the tight fit sets up the assembly cylinder in the roller pilot hole, transversely sets up a through-hole of 1 millimeter on the assembly cylinder, and insert the location cylindric lock in the through-hole, fix a position the assembly cylinder through the locating pin.
In the prior art, the assembly defects exist in that: 1. the assembling cylinder cannot be precisely and repeatedly positioned, so that the machining process precision is greatly improved, and the equipment and manufacturing cost is increased; 2. due to poor assembly repeated positioning precision, the roller cannot run smoothly in the roller path; 3. during processing and production, the reject ratio is improved because the roller does not run smoothly in the roller path; 4. although the assembly cylinder and the roller path are formed together, when the roller is assembled, the assembly cylinder is taken out firstly, and after the roller is filled, the assembly cylinder is reset, and the axial error and the radial error between the V-shaped groove below the assembly cylinder and the V-shaped roller path cannot be positioned accurately, so that the roller cannot move smoothly in a channel, and the product performance and the service life of the product are influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a thin-wall crossed roller bearing assembly process, aiming at the defects in the prior art, an integral bearing inner ring and a bearing outer ring with the wall thickness close to the set limit are adopted, an assembly cylindrical positioning pin on the bearing outer ring is reconfigured into two half positioning pins, and the front ends of the half positioning pins are provided with guide heads; through integral grinding and forming, the problem of inaccurate repeated positioning caused by errors of a manufacturing process is obviously improved, so that the yield of products in the production process is greatly improved, the product performance is improved, and the service life of a bearing is prolonged.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a thin wall roller bearing that intersects, includes bearing inner race, roller, assembly round hole, assembly cylinder, V type groove, V type raceway, V type arc groove, half locating pin, guide head, pinhole, outer lane chamfer, inner circle chamfer, its characterized in that:
the bearing inner ring is assembled in the bearing outer ring, an outer ring chamfer is arranged on the bearing outer ring, and an inner ring chamfer is arranged on the bearing inner ring; the middle part of the inner circumferential surface of the bearing outer ring is provided with a V-shaped raceway with an opening towards the center, and a V-shaped arc groove is formed in the V-shaped raceway; the middle part of the outer circumferential surface of the bearing inner ring is provided with a V-shaped raceway which is opened towards the outer side, and a V-shaped arc groove is arranged in the V-shaped raceway; the V-shaped raceway on the bearing outer ring and the V-shaped raceway on the bearing inner ring are symmetrically arranged in the opposite direction, and the surface of the V-shaped raceway is coated with a solid lubricating layer; an assembly round hole is formed in the middle of the bearing outer ring, an assembly cylinder is arranged in the assembly round hole, the outer end face of the assembly cylinder is matched and arranged with the bearing outer ring uniformly, a V-shaped groove is formed in the inner end face of the assembly cylinder, a V-shaped arc groove is formed in the V-shaped groove, and the V-shaped groove and the V-shaped rolling way have the same size structure; the assembling circular hole and the assembling cylindrical bearing outer ring side face are provided with pin holes, the pin holes are circular holes with chamfers, the pin holes penetrate through the bearing outer ring and the assembling cylindrical ring, two half positioning pins are arranged in the pin holes of the bearing outer ring, and truncated cone-shaped guide heads are arranged at the front ends of the half positioning pins.
The assembling circular hole is matched with the assembling cylinder in size and is tightly assembled.
The length of the half locating pin is less than or equal to one half of the thickness of the bearing outer ring.
A plurality of rollers are filled in the V-shaped roller path, and the rollers are filled into the V-shaped roller path through the assembly round holes; the rollers are vertically arranged on the V-shaped raceway surface in a crossed manner at 90 degrees, and the rollers and the V-shaped raceway are arranged in a crossed manner to bear radial load, axial load and moment load; and lubricating grease is filled between the rollers.
And the assembly cylinder and the bearing outer ring are provided with direction alignment identification lines.
A thin-wall crossed roller bearing assembly process is characterized in that:
1. forming bearing blanks, namely manufacturing outer ring blanks and inner ring blanks by a forging process;
2. rough machining of the bearing, namely rough machining and forming the outer ring blank and the inner ring blank in the step 1 through mechanical machining; processing a V-shaped roller path and a V-shaped arc groove on the outer ring blank and the inner ring blank which are roughly processed and formed, and performing acute-angle blunting on an outer ring chamfer and an inner ring chamfer;
3. processing accessories, namely processing and molding an assembly cylinder according to process requirements, and roughly processing a V-shaped groove on the assembly cylinder; processing and molding the long positioning pin according to the process requirement;
4. structural processing, namely forming an assembly round hole on the outer ring in the step 2, wherein the assembly round hole is tightly matched with an assembly cylinder, forming a pin hole on the assembly round hole and the side surface of the bearing outer ring of the assembly cylinder, and assembling a long positioning pin in the pin hole;
5. grinding, namely forming the assembled assembly cylinder, the long positioning pin and the bearing outer ring assembly by grinding, performing low-temperature stabilization treatment at a cold water treatment temperature of-70 ℃, and preserving heat for 4 hours; the contact area of the V-shaped raceway surface is larger than 80% through color scraping inspection;
6. setting a mark, and making a direction mark on the outer surface of the assembly cylinder and the outer ring of the bearing;
7. processing the semi-locating pin, and manufacturing the semi-locating pin with the guide head by finish machining;
8. assembling a roller, namely disassembling a long positioning pin and an assembling cylinder from an outer ring of the bearing, assembling an inner ring of the bearing in the outer ring of the bearing, filling the roller from an assembling circular hole, coating lubricating grease, re-assembling the assembling cylinder according to the identification direction of the assembling cylinder, and filling two semi-positioning pins with guide heads into pin holes for fixing and locking;
9. the detection is carried out by hand feeling, the bearing runs smoothly and freely without noise, and the inner and outer diameter dimension precision and the rotation precision of the bearing meet the quality requirement of P4 grade through instrument detection;
10. and finishing the assembly of the thin-wall crossed roller bearing finished product.
The working principle of the invention is as follows: the bearing outer ring and the assembling cylinder of the thin-wall crossed roller bearing are fixed on the outer ring through two cylindrical semi-positioning pins, and after the bearing outer ring and the assembling cylinder are formed together through grinding, the assembling cylinder is disassembled, and the rollers are installed; although the assembling cylinder is pulled out, after the assembling cylinder is positioned by the two half positioning pins, the repeated positioning precision is obviously improved, so that the roller can smoothly run in the V-shaped roller path, the production yield is greatly improved, the product quality is improved, and the service life is prolonged; an assembly round hole is formed in the middle of the outer diameter surface of the bearing outer ring, an assembly cylinder is inserted into the assembly round hole to be in tight fit, two round pin holes with the diameter of 1mm are formed in the side surface of the outer ring, the pin holes penetrate through the assembly cylinder at the same time, two half positioning pins with the diameter of 1mm are installed in the pin holes to be locked, the assembly cylinder is tightly matched with the bearing outer ring, the two half positioning pins can compensate for matching errors between the assembly cylinder and the bearing outer ring, between the two half positioning pins and the bearing outer ring and between the two half positioning pins and the assembly cylinder, which are caused by machining errors, so that the repeated positioning accuracy of a V-shaped groove surface at the front end of the assembly cylinder and the V-shaped raceway surface of the bearing outer ring is improved, and the running accuracy of a roller.
Through the technical scheme, the technical scheme of the invention has the beneficial effects that: adopting an integral bearing inner ring and a bearing outer ring with the wall thickness close to the set limit, reconfiguring an assembly cylindrical positioning pin on the bearing outer ring into two half positioning pins, and arranging a guide head at the front ends of the half positioning pins; through whole abrasive machining shaping, obviously improved the inaccurate problem of repeated positioning because of manufacturing process error leads to, can make V type raceway can not be because of the problem that the roller operation that the cylindrical repeated positioning of assembly does not accurately lead to is not in good order to improve the yields in the product production process by a wide margin, reduce manufacturing cost, improve the product simultaneously and produce the performance and prolong the life of bearing.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or the prior art 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 that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a thin-walled crossed roller bearing according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of an inner race of a thin-walled crossed roller bearing according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of an outer race of a thin-walled crossed roller bearing according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the thin-walled crossed roller bearing outer ring a according to the embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. bearing outer ring 2, bearing inner ring 3, roller 4, assembling round hole
5. Assembling cylinder 6. V-shaped groove 7. V-shaped raceway 8. V-shaped arc groove
9. Semi-locating pin 10, guide head 11, pin hole 12 and outer ring chamfer
13. Inner ring chamfer
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.
According to fig. 1, 2, 3 and 4, the invention provides a thin-wall crossed roller bearing, which comprises a bearing outer ring 1, a bearing inner ring 2, rollers 3, an assembly round hole 4, an assembly cylinder 5, a V-shaped groove 6, a V-shaped raceway 7, a V-shaped arc groove 8, a semi-positioning pin 9, a guide head 10, a pin hole 11, an outer ring chamfer 12 and an inner ring chamfer 13.
A bearing inner ring 2 is assembled in the bearing outer ring 1, an outer ring chamfer 12 is arranged on the bearing outer ring 1, and an inner ring chamfer 13 is arranged on the bearing inner ring 2; the middle part of the inner circumferential surface of the bearing outer ring 1 is provided with a V-shaped raceway 7 with an opening towards the center, and a V-shaped arc groove 8 is arranged in the V-shaped raceway 7; a V-shaped raceway 7 which is opened towards the outside is arranged in the middle of the outer circumferential surface of the bearing inner ring 2, and a V-shaped arc groove 8 is arranged in the V-shaped raceway 7; the V-shaped raceway 7 on the bearing outer ring 1 and the V-shaped raceway 7 on the bearing inner ring 2 are symmetrically arranged in opposite directions, and a solid lubricating layer is coated on the surface of the V-shaped raceway 7; an assembly round hole 4 is formed in the middle of the bearing outer ring 1, an assembly cylinder 5 is arranged in the assembly round hole 4, the outer end face of the assembly cylinder 5 is matched and arranged with the bearing outer ring 1 uniformly, a V-shaped groove 6 is formed in the inner end face of the assembly cylinder 5, a V-shaped arc groove 8 is formed in the V-shaped groove 6, and the V-shaped groove 6 and a V-shaped rolling way 7 have the same size structure; the side surfaces of the bearing outer ring 1 of the assembly round hole 4 and the assembly cylinder 5 are provided with a pin hole 11, the pin hole 11 is a round hole with a chamfer, the pin hole 11 runs through the bearing outer ring 1 and the assembly cylinder 5, two half positioning pins 9 are arranged in the pin hole 11 of the bearing outer ring 1, and the front ends of the half positioning pins 9 are provided with guide heads 10 in the shape of a circular truncated cone.
The assembling circular hole 4 and the assembling cylinder 5 are matched in size and are tightly assembled.
The length of the half locating pin 9 is less than or equal to one half of the thickness of the bearing outer ring 1.
A plurality of rollers 3 are filled in the V-shaped roller path 7, and the rollers 3 are filled into the V-shaped roller path 7 through assembling round holes 4; the rollers 3 are vertically arranged on the surface of the V-shaped raceway 7 in a 90-degree crossed manner, and the rollers 3 and the V-shaped raceway 7 are arranged in a crossed manner to bear radial load, axial load and moment load; grease is filled between the rollers 3.
And the assembling cylinder 5 and the bearing outer ring 1 are provided with direction alignment identification lines.
A thin-wall crossed roller bearing assembly process is characterized in that:
1. forming bearing blanks, namely manufacturing outer ring blanks and inner ring blanks by a forging process;
2. rough machining of the bearing, namely rough machining and forming the outer ring blank and the inner ring blank in the step 1 through mechanical machining; processing a V-shaped raceway 7 and a V-shaped arc groove 8 on the outer ring blank and the inner ring blank which are subjected to rough machining, and performing acute-angle blunting on an outer ring chamfer 12 and an inner ring chamfer 13;
3. processing accessories, namely processing and molding an assembly cylinder 5 according to process requirements, and roughly processing a V-shaped groove 6 on the assembly cylinder 5; processing and molding the long positioning pin according to the process requirement;
4. performing structural processing, namely forming an assembly round hole 4 on the outer ring in the step 2, wherein the assembly round hole 4 is tightly matched with an assembly cylinder 5, forming a pin hole 11 on the side surface of the bearing outer ring 1 of the assembly round hole 4 and the assembly cylinder 5, and assembling a long positioning pin in the pin hole 11;
5. grinding, namely forming the assembled assembly cylinder 5, the long positioning pin and the bearing outer ring 1 assembly by grinding, performing low-temperature stabilization treatment at the cold water treatment temperature of-70 ℃, and preserving heat for 4 hours; the contact area of the surface of the V-shaped roller path 7 is larger than 80% through color scraping inspection;
6. setting a mark, and making a direction mark on the outer surface of the assembly cylinder 5 and the bearing outer ring 1;
7. processing a semi-positioning pin, and manufacturing the semi-positioning pin 9 with a guide head 10 by finish machining;
8. assembling the roller, namely disassembling the long positioning pin and the assembling cylinder 5 from the bearing outer ring 1, assembling the bearing inner ring 2 in the bearing outer ring 1, filling the roller 3 from the assembling circular hole 4, coating lubricating grease, re-assembling the assembling cylinder 5 according to the identification direction of the assembling cylinder, and assembling two half positioning pins 9 with guide heads 10 into the pin holes 11 for fixing and locking;
9. the detection is carried out by hand feeling, the bearing runs smoothly and freely without noise, and the inner and outer diameter dimension precision and the rotation precision of the bearing meet the quality requirement of P4 grade through instrument detection;
10. and finishing the assembly of the thin-wall crossed roller bearing finished product.
The specific implementation operation steps of the invention are as follows: the bearing outer ring 1 and the assembling cylinder 5 of the thin-wall crossed roller bearing are fixed on the outer ring through two cylindrical semi-positioning pins 9, and after the two cylindrical semi-positioning pins are formed by grinding, the assembling cylinder 5 is disassembled and the roller 3 is installed; although the assembling cylinder 5 is pulled out, after the assembling cylinder is positioned by the two half positioning pins 9, the repeated positioning precision is obviously improved, so that the roller 3 can smoothly run in the V-shaped roller path 7, the production yield is greatly improved, and the product quality and the service life are improved; an assembly round hole 4 is formed in the middle of the outer diameter surface of the bearing outer ring 1, an assembly cylinder is inserted into the assembly round hole to be tightly matched, two round pin holes 11 with the diameter of 1mm are formed in the side surface of the outer ring, the pin holes 11 simultaneously penetrate through the assembly cylinder 5, two half positioning pins 9 with the diameter of 1mm are installed in the pin holes 11 to be locked, the assembly cylinder 5 is tightly matched with the bearing outer ring 1, the two half positioning pins 9 can compensate matching errors between the assembly cylinder 5 and the bearing outer ring 1, between the two half positioning pins 9 and the bearing outer ring 1 and between the two half positioning pins 9 and the assembly cylinder 5, caused by machining errors, so that the repeated positioning accuracy of a V-shaped groove 6 surface at the front end of the assembly cylinder 5 and a V-shaped raceway 7 surface of the bearing outer ring 1 is improved, and the running accuracy of a roller 3 in the V-shaped.
Through the specific embodiment, the beneficial effects of the invention are as follows: adopting an integral bearing inner ring and a bearing outer ring with the wall thickness close to the set limit, reconfiguring an assembly cylindrical positioning pin on the bearing outer ring into two half positioning pins, and arranging a guide head at the front ends of the half positioning pins; through whole abrasive machining shaping, obviously improved the inaccurate problem of repeated positioning because of manufacturing process error leads to, can make V type raceway can not be because of the problem that the roller operation that the cylindrical repeated positioning of assembly does not accurately lead to is not in good order to improve the yields in the product production process by a wide margin, reduce manufacturing cost, improve the product simultaneously and produce the performance and prolong the life of bearing.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The thin-wall crossed roller bearing assembly process is characterized by comprising the following steps:
1.1, forming a bearing blank, and manufacturing an outer ring blank and an inner ring blank by a forging process;
1.2, roughly machining a bearing, namely roughly machining and forming the outer ring blank and the inner ring blank in the step 1 through machining; processing a V-shaped roller path and a V-shaped arc groove on the outer ring blank and the inner ring blank which are roughly processed and formed, and performing acute-angle blunting on an outer ring chamfer and an inner ring chamfer;
1.3, processing accessories, namely processing and molding an assembly cylinder according to the process requirements, and roughly processing a V-shaped groove on the assembly cylinder; processing and molding the long positioning pin according to the process requirement;
1.4, structural processing, namely forming an assembly round hole on the outer ring in the step 2, wherein the assembly round hole is tightly matched with an assembly cylinder, forming a pin hole on the assembly round hole and the side surface of the bearing outer ring of the assembly cylinder, and assembling a long positioning pin in the pin hole;
1.5, grinding, namely forming the assembled assembly cylinder, the long positioning pin and the bearing outer ring assembly by grinding, performing low-temperature stabilization treatment at a cold water treatment temperature of-70 ℃, and preserving heat for 4 hours; the contact area of the V-shaped raceway surface is larger than 80% through color scraping inspection;
1.6, setting a mark, and making a direction mark on the outer surface of the assembly cylinder and the outer ring of the bearing;
1.7, machining the semi-locating pin, and manufacturing the semi-locating pin with the guide head by finish machining;
1.8, assembling the roller, namely disassembling the long positioning pin and the assembling cylinder from the outer ring of the bearing, assembling the inner ring of the bearing in the outer ring of the bearing, filling the roller from the assembling circular hole, coating lubricating grease, re-assembling the assembling cylinder according to the identification direction of the assembling cylinder, and filling the two half positioning pins with guide heads into the pin holes for fixing and locking;
1.9, checking, namely detecting by hand feeling, wherein the bearing runs lightly and freely without noise, and the dimensional accuracy and the rotation accuracy of the inner diameter and the outer diameter of the bearing meet the quality requirement of P4 grade through instrument detection;
1.10, finishing the assembly of the thin-wall crossed roller bearing finished product;
the thin-wall crossed roller bearing in the thin-wall crossed roller bearing assembly process comprises a bearing outer ring, a bearing inner ring, rollers, an assembly round hole, an assembly cylinder, a V-shaped groove, a V-shaped raceway, a V-shaped arc groove, a semi-positioning pin, a guide head, a pin hole, an outer ring chamfer and an inner ring chamfer; the bearing inner ring is assembled in the bearing outer ring, an outer ring chamfer is arranged on the bearing outer ring, and an inner ring chamfer is arranged on the bearing inner ring; the middle part of the inner circumferential surface of the bearing outer ring is provided with a V-shaped raceway with an opening towards the center, and a V-shaped arc groove is formed in the V-shaped raceway; the middle part of the outer circumferential surface of the bearing inner ring is provided with a V-shaped raceway which is opened towards the outer side, and a V-shaped arc groove is arranged in the V-shaped raceway; the V-shaped raceway on the bearing outer ring and the V-shaped raceway on the bearing inner ring are symmetrically arranged in the opposite direction, and the surface of the V-shaped raceway is coated with a solid lubricating layer; an assembly round hole is formed in the middle of the bearing outer ring, an assembly cylinder is arranged in the assembly round hole, the outer end face of the assembly cylinder is matched and arranged with the bearing outer ring uniformly, a V-shaped groove is formed in the inner end face of the assembly cylinder, a V-shaped arc groove is formed in the V-shaped groove, and the V-shaped groove and the V-shaped rolling way have the same size structure; the assembling circular hole and the assembling cylindrical bearing outer ring side face are provided with pin holes, the pin holes are circular holes with chamfers, the pin holes penetrate through the bearing outer ring and the assembling cylindrical ring, two half positioning pins are arranged in the pin holes of the bearing outer ring, and truncated cone-shaped guide heads are arranged at the front ends of the half positioning pins.
2. The assembly process of claim 1, wherein the assembly round hole is matched with the assembly cylinder in size and is tightly assembled.
3. The process of assembling a thin-walled crossed roller bearing according to claim 1, wherein the length of the half locating pin is less than or equal to one-half the thickness of the bearing outer race.
4. The assembly process of the thin-wall crossed roller bearing, according to the claim 1, is characterized in that a plurality of rollers are filled in the V-shaped roller paths, and the rollers are filled into the V-shaped roller paths through assembly round holes; the rollers are vertically arranged on the V-shaped raceway surface in a crossed manner at 90 degrees, and the rollers and the V-shaped raceway are arranged in a crossed manner to bear radial load, axial load and moment load; and lubricating grease is filled between the rollers.
5. The assembly process of the thin-wall crossed roller bearing as claimed in claim 1, wherein the assembly cylinder and the bearing outer ring are provided with direction alignment identification lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680564.3A CN106050945B (en) | 2016-08-18 | 2016-08-18 | Thin-wall crossed roller bearing assembly process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680564.3A CN106050945B (en) | 2016-08-18 | 2016-08-18 | Thin-wall crossed roller bearing assembly process |
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| CN106050945A CN106050945A (en) | 2016-10-26 |
| CN106050945B true CN106050945B (en) | 2020-03-24 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107917139A (en) * | 2017-12-14 | 2018-04-17 | 苏州普拉米精密机械有限公司 | A kind of two halves formula bearing outer ring cross roller bearing |
| CN112570982A (en) * | 2020-12-28 | 2021-03-30 | 镇江裕久智能装备股份有限公司 | Bearing thermal expansion and cold shrinkage type assembly process |
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|---|---|---|---|---|
| JP2535587B2 (en) * | 1988-03-29 | 1996-09-18 | 日本トムソン株式会社 | Thin cross roller bearing |
| DE69711727T2 (en) * | 1996-06-07 | 2002-08-08 | Snr Roulements Annecy | Bearings with a radial passage for the introduction of the rolling elements |
| CN2690655Y (en) * | 2004-02-21 | 2005-04-06 | 洛阳轴承集团有限公司 | Plunger for four point contact ball rotary disc bearing and its regulator |
| JP2008039098A (en) * | 2006-08-08 | 2008-02-21 | Hitachi Constr Mach Co Ltd | Cross roller bearing |
| JP2009063130A (en) * | 2007-09-07 | 2009-03-26 | Nsk Ltd | Electric motor |
| CN201368133Y (en) * | 2009-01-04 | 2009-12-23 | 瓦房店轴承集团有限责任公司 | Ball bearing thin arm retainer locking point once-forming and assembling die |
| CN202402471U (en) * | 2011-12-02 | 2012-08-29 | 洛阳巨创轴承科技有限公司 | Integrated irregular crossed roller bearing for mini-type reduction gear |
| CN203585081U (en) * | 2013-11-06 | 2014-05-07 | 宁波市镇海银球轴承有限公司 | Precise thin-wall crossed roller bearing |
-
2016
- 2016-08-18 CN CN201610680564.3A patent/CN106050945B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2535587B2 (en) * | 1988-03-29 | 1996-09-18 | 日本トムソン株式会社 | Thin cross roller bearing |
| DE69711727T2 (en) * | 1996-06-07 | 2002-08-08 | Snr Roulements Annecy | Bearings with a radial passage for the introduction of the rolling elements |
| CN2690655Y (en) * | 2004-02-21 | 2005-04-06 | 洛阳轴承集团有限公司 | Plunger for four point contact ball rotary disc bearing and its regulator |
| JP2008039098A (en) * | 2006-08-08 | 2008-02-21 | Hitachi Constr Mach Co Ltd | Cross roller bearing |
| JP2009063130A (en) * | 2007-09-07 | 2009-03-26 | Nsk Ltd | Electric motor |
| CN201368133Y (en) * | 2009-01-04 | 2009-12-23 | 瓦房店轴承集团有限责任公司 | Ball bearing thin arm retainer locking point once-forming and assembling die |
| CN202402471U (en) * | 2011-12-02 | 2012-08-29 | 洛阳巨创轴承科技有限公司 | Integrated irregular crossed roller bearing for mini-type reduction gear |
| CN203585081U (en) * | 2013-11-06 | 2014-05-07 | 宁波市镇海银球轴承有限公司 | Precise thin-wall crossed roller bearing |
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| CN106050945A (en) | 2016-10-26 |
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Effective date of registration: 20200525 Address after: Golden Bridge Development Zone Wuzhong District Mudu town of Suzhou city in Jiangsu province (East) 215000 Patentee after: SUZHOU PULAMI PRECISION MACHINERY Co.,Ltd. Address before: Wuzhong District Mudu town Mu Xu Road Suzhou city Jiangsu province 215000 building 35 Patentee before: Gu Jianzu |