CN107165942A - A kind of high-precision bearing and its manufacturing process - Google Patents
A kind of high-precision bearing and its manufacturing process Download PDFInfo
- Publication number
- CN107165942A CN107165942A CN201710386576.XA CN201710386576A CN107165942A CN 107165942 A CN107165942 A CN 107165942A CN 201710386576 A CN201710386576 A CN 201710386576A CN 107165942 A CN107165942 A CN 107165942A
- Authority
- CN
- China
- Prior art keywords
- ring
- outer ring
- low
- melting alloy
- ceramic
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 50
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 29
- 238000003780 insertion Methods 0.000 claims abstract description 26
- 230000037431 insertion Effects 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 25
- 239000010959 steel Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 238000007634 remodeling Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 229910000648 terne Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
- 229910003978 SiClx Inorganic materials 0.000 claims 1
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 239000011324 bead Substances 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/32—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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/077—Fixing them on the shaft or housing with interposition of an element between housing and outer race ring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of high-precision bearing and its manufacturing process, the ceramic balls between ceramic inner ring and steel outer ring are laid in including a ceramic inner ring, steel outer ring and full ball, the steel outer ring is spliced outer ring behind a preceding outer ring and one, the preceding outer ring rear end is smooth and is arranged with an insertion chamber, and the insertion chamber outer face is provided with Ka Gou and insertion intracavitary end face is tilted down；The rear outer ring front end is smooth and is convexly equipped with a snap ring, barb is provided with front side of the snap ring, the snap ring is caught in inserted in cavities and barb is caught in Ka Gouzhong；Also include low-melting alloy ring, the low-melting alloy ring is put into the insertion chamber in assembling and is located on front side of snap ring, and it is heated after remodeling shape be filled between snap ring and insertion intracavitary end face.The beneficial effects of the present invention are：The characteristics of remolding shape and heat-resist ceramet using low-melting alloy low temperature, outer ring is divided into two and is easy to bead loading, and the splicing of outer ring is realized in overall heating again after bead loading, without opening bead installing hole.
Description
Technical field
The present invention relates to a kind of high-precision bearing and its manufacturing process.
Background technology
Ceramic bearing is emerging bearing, with corrosion-resistant, is insulated, the characteristic of oil-free lubrication is widely used in various underloadings
Environment.In general, the bearing capacity in order to improve ceramic bearing, we can be reduced using the ceramic bearing of full ball
The load of single ceramic ball, but existing full ball type, one is often set on inner ring or outer ring can be with detachable
The bead installing hole of block is used to bead loading, and ceramic balls easily knock broken cracking in this bead installing hole.
The content of the invention
In order to overcome the shortcomings of that existing ceramic bearing realizes that full ball is difficult, the present invention provides a kind of without the high-precision of bead installing hole
Spend bearing and its manufacturing process.
The present invention solve its technical problem technical scheme be：Outside a kind of high-precision bearing, including ceramic inner ring, steel
Circle and full ball are laid in the ceramic balls between ceramic inner ring and steel outer ring, and the steel outer ring is behind a preceding outer ring and one
Outer ring is spliced, and the preceding outer ring rear end is smooth and is arranged with an insertion chamber, and the insertion chamber outer face is provided with Ka Gou
And insertion intracavitary end face is tilted down；The rear outer ring front end is smooth and is convexly equipped with a snap ring, provided with front side of the snap ring
Hook, the snap ring is caught in inserted in cavities and barb is caught in Ka Gouzhong；Also include a low-melting alloy ring, the low-melting alloy
Ring is put into the insertion chamber in assembling and is located on front side of snap ring, and it is heated after remodeling shape be filled in snap ring and insertion intracavitary end face
Between.
Further increase fault-tolerant, on the inside of the preceding outer ring and rear outer ring provided with the first half raceway groove matched with ceramic balls and after
Do not contacted on the upside of half raceway groove, and first half raceway groove and later half raceway groove provided with indent with ceramic balls.
One kind selection, the ceramic inner ring and ceramic balls use silicon nitride ceramics.
Another selection, the low-melting alloy ring uses terne metal.
Also include following supplementary features：Sealing ring is additionally provided between the ceramic inner ring and steel outer ring.
A kind of manufacturing process for manufacturing above-mentioned high-precision bearing, including following process：
A, ceramic inner ring and rear outer ring lain on installation mold, fill ceramic balls successively therebetween；
B, the placement low-melting alloy ring on the snap ring of rear outer ring, are then pressed into preceding outer ring so that low-melting alloy from top to bottom
Ring and snap ring are all inserted into the inserted in cavities of preceding outer ring, up to the front end face of outer ring after the rear end face laminating of preceding outer ring.
C, some ceramic inner rings combined, steel outer ring, ceramic balls after B techniques are put into a metal being vertically arranged
In cylinder, metal cylinder internal diameter is consistent with steel outer ring external diameter, and rear outer ring is under, and preceding outer ring is in upper, upper-lower compacting；
D, metal cylinder is heated, temperature is higher than the fusing point of low-melting alloy ring, more than 20 minutes time, to the pottery after heating
Porcelain inner ring, steel outer ring, ceramic balls carry out naturally cooling to room temperature, are then taken out from metal cylinder.In step D, low melting point is closed
Space after Jin Huan melts between filling snap ring and insertion intracavitary end face, so that snap ring is fixed in and inserted in cavities can not taken
Go out.
E, assembling sealing ring.
It is higher than 30 degrees Celsius of low-melting alloy ring further to increase in the efficiency of heating surface, the step D temperature.
The present invention is consistent compared with the bearing of technology when in use, will not be repeated here.
The beneficial effects of the present invention are：1st, shape and the heat-resist spy of ceramet are remolded using low-melting alloy low temperature
Point, outer ring is divided into two and is easy to bead loading, and the splicing of outer ring is realized in overall heating again after bead loading, without opening bead installing hole.2nd, it is single
It is single to carry out the problem of splicing and clamping have preceding outer ring and low rear outer ring bonding strength using low-melting alloy, use steel band
The snap ring and insertion intracavitary of barb are inclined to be set, and following interval is filled with after low-melting alloy ring thermal deformation, so that
The connection of preceding outer ring and rear outer ring is very firm.
Brief description of the drawings
Fig. 1 is the horizontal schematic diagram of ceramic balls distribution of the present invention.
Fig. 2 is the sectional view of the present invention.
Fig. 3 is preceding outer ring and rear outer ring attachment structure enlarged drawing in Fig. 2.
Fig. 4, Fig. 5, Fig. 6 are the assembling schematic diagrams of the present invention, and wherein Fig. 6 is that low-melting alloy ring is remolded after shape after heating
Schematic diagram.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
With reference to accompanying drawing 1 to 6, a kind of high-precision bearing, including ceramic inner ring 1, steel outer ring 2 and full ball are laid in pottery
Ceramic balls 3 between porcelain inner ring 1 and steel outer ring 2, the steel outer ring 2 outer ring 5 behind a preceding outer ring 4 and one splice and
Into the preceding rear end of outer ring 4 is smooth and is arranged with an insertion chamber 6, and insertion chamber 6 outer face is provided with card ditch 7 and insertion
The inner face of chamber 6 is tilted down；The front end of rear outer ring 5 is smooth and is convexly equipped with a snap ring 8, and the front side of snap ring 8 is provided with barb
9, the snap ring 8 is caught in insertion chamber 6 and barb 9 is caught in card ditch 7；Also include a low-melting alloy ring 10, the eutectic
Point alloy hoop 10 is put into the insertion chamber 6 in assembling and is located at the front side of snap ring 8, and it is heated after remodeling shape be filled in snap ring 8 with inserting
Enter between intracavitary end face.
Further increase fault-tolerant, the preceding inner side of outer ring 4 and rear outer ring 5 is provided with the first half raceway groove matched with ceramic balls 3
11 and later half raceway groove 12, and first half raceway groove 11 and the upside of later half raceway groove 12 do not contact provided with indent 13 with ceramic balls 3.
One kind selection, the ceramic inner ring 1 and ceramic balls 3 use silicon nitride ceramics.
Another selection, the low-melting alloy ring 10 uses terne metal.
Also include following supplementary features：Sealing ring 14 is additionally provided between the ceramic inner ring and steel outer ring.
A kind of manufacturing process for manufacturing above-mentioned high-precision bearing, including following process：
A, ceramic inner ring 1 and rear outer ring 5 lain on installation mold, fill ceramic balls 3 successively therebetween；
B, the placement low-melting alloy ring 10 on the snap ring 8 of rear outer ring 5, are then pressed into preceding outer ring 4 so that low melting point from top to bottom
Alloy hoop 10 and snap ring 8 are all inserted into the insertion chamber 6 of preceding outer ring 4, up to the front end of outer ring 5 after the rear end face laminating of preceding outer ring 4
Face.
C, some ceramic inner rings 1 combined after B techniques, steel outer ring 2, ceramic balls 3 are put into one are vertically arranged
In metal cylinder, metal cylinder internal diameter is consistent with the external diameter of steel outer ring 2, and rear outer ring 5 is under, and preceding outer ring 4 is in upper, upper-lower compacting；
D, metal cylinder is heated, temperature is higher than the fusing point of low-melting alloy ring 10, more than 20 minutes time, after heating
Ceramic inner ring 1, steel outer ring 2, ceramic balls 3 carry out naturally cooling to room temperature, are then taken out from metal cylinder.In step D, eutectic
Space after point alloy hoop 10 melts between filling snap ring 8 and the insertion inner face of chamber 6, so that snap ring 8 is fixed in insertion chamber 6
In can not take out.
E, assembling sealing ring 14.
It is higher than 1030 degrees Celsius of low-melting alloy ring, because using further to increase in the efficiency of heating surface, the step D temperature
Terne metal be the alloy of 183 degrees Celsius of fusing points, therefore heating-up temperature is 213 degrees Celsius, and the heat time, we selected 30 minutes.
The present invention is consistent compared with the bearing of technology when in use, will not be repeated here.
The beneficial effects of the present invention are：1st, shape and the heat-resist spy of ceramet are remolded using low-melting alloy low temperature
Point, outer ring is divided into two and is easy to bead loading, and the splicing of outer ring is realized in overall heating again after bead loading, without opening bead installing hole.2nd, it is single
It is single to carry out the problem of splicing and clamping have preceding outer ring and low rear outer ring bonding strength using low-melting alloy, use steel band
The snap ring and insertion intracavitary of barb are inclined to be set, and following interval is filled with after low-melting alloy ring thermal deformation, so that
The connection of preceding outer ring and rear outer ring is very firm.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the solution of the present invention can be realized in other specific forms,
Within the scope of the present invention.
Claims (6)
1. a kind of high-precision bearing, it is characterised in that：Ceramic inner ring is laid in including a ceramic inner ring, steel outer ring and full ball
Ceramic balls between steel outer ring, the steel outer ring is spliced outer ring behind a preceding outer ring and one, the preceding outer ring
Rear end is smooth and is arranged with an insertion chamber, and the insertion chamber outer face is provided with Ka Gou and insertion intracavitary end face is tilted down；
The rear outer ring front end is smooth and is convexly equipped with a snap ring, barb is provided with front side of the snap ring, the snap ring is caught in inserted in cavities
And barb is caught in Ka Gouzhong；Also include a low-melting alloy ring, the low-melting alloy ring is put into the insertion in assembling
Chamber is located on front side of snap ring, and it is heated after remodeling shape be filled between snap ring and insertion intracavitary end face.
2. high-precision bearing according to claim 1, it is characterised in that：It is provided with and pottery on the inside of the preceding outer ring and rear outer ring
The first half raceway groove and later half raceway groove of porcelain ball matching, and do not connect on the upside of first half raceway groove and later half raceway groove provided with indent with ceramic balls
Touch.
3. high-precision bearing according to claim 1, it is characterised in that：The ceramic inner ring and ceramic balls use nitrogen
SiClx ceramics.
4. high-precision bearing according to claim 1, it is characterised in that：The low-melting alloy ring uses terne metal.
5. the manufacturing process of high-precision bearing described in a kind of manufacturing claims 1, it is characterised in that including following process：
A, ceramic inner ring and rear outer ring lain on installation mold, fill ceramic balls successively therebetween；
B, the placement low-melting alloy ring on the snap ring of rear outer ring, are then pressed into preceding outer ring so that low-melting alloy from top to bottom
Ring and snap ring are all inserted into the inserted in cavities of preceding outer ring, up to the front end face of outer ring after the rear end face laminating of preceding outer ring；
C, some ceramic inner rings combined, steel outer ring, ceramic balls after B techniques are put into a metal cylinder being vertically arranged
In, metal cylinder internal diameter is consistent with steel outer ring external diameter, and rear outer ring is under, and preceding outer ring is in upper, upper-lower compacting；
D, metal cylinder is heated, temperature is higher than the fusing point of low-melting alloy ring, more than 20 minutes time, to the pottery after heating
Porcelain inner ring, steel outer ring, ceramic balls carry out naturally cooling to room temperature, are then taken out from metal cylinder；
E, assembling sealing ring.
6. manufacturing process according to claim 5, it is characterised in that：Temperature is higher than low-melting alloy in the step D
30 degrees Celsius of ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386576.XA CN107165942A (en) | 2017-05-26 | 2017-05-26 | A kind of high-precision bearing and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710386576.XA CN107165942A (en) | 2017-05-26 | 2017-05-26 | A kind of high-precision bearing and its manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107165942A true CN107165942A (en) | 2017-09-15 |
Family
ID=59821460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710386576.XA Pending CN107165942A (en) | 2017-05-26 | 2017-05-26 | A kind of high-precision bearing and its manufacturing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107165942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503165A (en) * | 2020-05-14 | 2020-08-07 | 中国航发哈尔滨轴承有限公司 | Method for assembling sealing ring with steel skeleton structure of sealing bearing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546762A (en) * | 1968-07-01 | 1970-12-15 | Textron Inc | Method of making an antifriction bearing |
| US4350398A (en) * | 1977-10-27 | 1982-09-21 | Skf Kugellagerfabriken Gmbh | Rolling bearing having separate flange ring with sawtooth-shaped flange |
| JPH10184702A (en) * | 1996-12-27 | 1998-07-14 | Ntn Corp | Rolling bearing made of resin |
| US6332718B1 (en) * | 1999-03-08 | 2001-12-25 | Skf France | Rolling bearing with seals and method for attaching seals to a bearing |
| CN2494717Y (en) * | 2001-08-31 | 2002-06-12 | 李书涵 | Continuous-casting ladle sealing device |
| JP2012197885A (en) * | 2011-03-22 | 2012-10-18 | Nsk Ltd | Rolling bearing |
| JP2014114929A (en) * | 2012-12-12 | 2014-06-26 | Jtekt Corp | Full type ball bearing with deep groove |
| CN206874644U (en) * | 2017-05-26 | 2018-01-12 | 环驰轴承集团有限公司 | A kind of high-precision bearing |
-
2017
- 2017-05-26 CN CN201710386576.XA patent/CN107165942A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546762A (en) * | 1968-07-01 | 1970-12-15 | Textron Inc | Method of making an antifriction bearing |
| US4350398A (en) * | 1977-10-27 | 1982-09-21 | Skf Kugellagerfabriken Gmbh | Rolling bearing having separate flange ring with sawtooth-shaped flange |
| JPH10184702A (en) * | 1996-12-27 | 1998-07-14 | Ntn Corp | Rolling bearing made of resin |
| US6332718B1 (en) * | 1999-03-08 | 2001-12-25 | Skf France | Rolling bearing with seals and method for attaching seals to a bearing |
| CN2494717Y (en) * | 2001-08-31 | 2002-06-12 | 李书涵 | Continuous-casting ladle sealing device |
| JP2012197885A (en) * | 2011-03-22 | 2012-10-18 | Nsk Ltd | Rolling bearing |
| JP2014114929A (en) * | 2012-12-12 | 2014-06-26 | Jtekt Corp | Full type ball bearing with deep groove |
| CN206874644U (en) * | 2017-05-26 | 2018-01-12 | 环驰轴承集团有限公司 | A kind of high-precision bearing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503165A (en) * | 2020-05-14 | 2020-08-07 | 中国航发哈尔滨轴承有限公司 | Method for assembling sealing ring with steel skeleton structure of sealing bearing |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170915 |
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| RJ01 | Rejection of invention patent application after publication |