CN104847795A - Processing method of bearing retainer - Google Patents
Processing method of bearing retainer Download PDFInfo
- Publication number
- CN104847795A CN104847795A CN201510189296.0A CN201510189296A CN104847795A CN 104847795 A CN104847795 A CN 104847795A CN 201510189296 A CN201510189296 A CN 201510189296A CN 104847795 A CN104847795 A CN 104847795A
- Authority
- CN
- China
- Prior art keywords
- pipe workpiece
- processing method
- retainer
- conical
- conical surface
- 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.)
- Granted
Links
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a processing method of a bearing retainer. The processing method comprises the following steps: cutting a steel plate into a rectangular strip material; coiling the strip material into a circular tube and welding along the butt joint to form a circular tube workpiece; carrying out molding compaction on the circular tube workpiece to form a coned tube workpiece having a pre-folded bottom edge at the small-diameter end; pressing the pre-folded edge to form a set bottom edge; processing to form several rectangular holes uniformly distributed along the circumference on the conical surface of the coned tube workpiece; carrying out edge-removal treatment on the edge at the large-diameter end of the coned tube workpiece; carrying out slope-pressing treatment on the rectangular holes to make hole wall to be slope surface; carrying out radial expansion on the coned tube workpiece to form a retainer body which meets the radial dimension requirement; and shot-blasting the retainer body to form a retainer product which meets hardness requirement. The processing method has advantages of high material utilization rate and production efficiency, low energy consumption and low manufacture cost.
Description
Technical field
The present invention relates to bearing machining, particularly relate to a kind of processing method of retainer.
Background technique
The structure of retainer is as Fig. 1, and it is the conical mount that smaller diameter end has annulus base 11, uniform some holes 121 for placing tapered roller 2 on its conical surface 10.
The processing of this kind of retainer is as Figure 14 at present, first be that steel plate used is cut into the billot with width S, see figure a wherein, the plectane that some diameters are D is stamped out again along this billot length direction, plectane during punching press and leave interval between billot edge and between two adjacent plectanes, as figure b; Then shaping compacting is carried out to this plectane stamped out, make it to be formed the bowl structure with the conical surface 50 and bottom surface 51, and bottom surface has a positioning hole 511, as figure c; Then cutting is carried out to bottom surface 51, become the annulus base 11 as shown in figure d or Fig. 1.
There is such defect in the processing method of above-mentioned retainer, discarded leftover pieces are many, and make waste of material serious, utilization rate of raw materials is low, only has 12-25%; Need be realized the structure of design by cutting, not only increase power consumption but also increase materials consumption, also increase the holding time of manufacture course of products simultaneously, make manufacturing efficiency low, fabricating cost is high.
Summary of the invention
The object of the invention is to the defect overcoming above-mentioned prior art, the bearing cage processing method that a kind of raw material are substantially lossless, amount of machining is few is provided.
For achieving the above object, the processing method of the retainer of the present invention's employing comprises the steps:
The steel plate making described retainer is cut into rectangle billot;
Described billot is wound into circular tube shaped, and butt joint welds, form circular pipe workpiece;
Shaping operation is carried out to described circular pipe workpiece, forms smaller diameter end and there is the conical pipe workpiece pre-folding base;
Bending angle adjustment is carried out to the base that pre-folds of conical pipe workpiece, makes the base of bending meet designing requirement;
The conical surface of conical pipe workpiece is processed some circumferentially uniform isosceles trapezoid fenestras;
Rib is gone to process to described conical pipe workpiece larger diameter end;
Pressure slope processing is carried out to described rectangular opening, becomes domatic to make hole wall;
Radial dilatation processing is carried out to described conical pipe workpiece, forms the retainer body meeting radial dimension requirement;
Shot blast is carried out to described retainer body, forms the retainer product meeting hardness requirement.
In order to ensure the dimensional uniformity of winding circular pipe workpiece, described billot is wound into circular pipe workpiece shape on a mould.
Further, by mould, shaping operation is carried out to described circular pipe workpiece, the cylndrical surface of circular pipe workpiece is pressed into conical surface, and to the inside bending of the smaller diameter end of conical surface, formed with the conical surface in obtuse angle pre-fold base.
In order to reach the final bending requirement in base, carrying out bending angle adjustment by mould to pre-folding base, making the angle of the base of bending and described conical surface be acute angle.
In order to improve stability and the quality of welding, described butt joint carries out welding and adopts medium frequency inverter resistance welding.
In order to highly-efficient processing is distributed on the rectangular opening on the conical pipe workpiece conical surface, this some rectangular opening is processed to form by punch press and the index plate be arranged on this punch press.
Further, the corner angle process of going of the outer edge of described conical pipe workpiece larger diameter end is turning by the R circular arc to this outer edge.
In order to reach rectangular opening expeditiously hole wall on domatic requirement, the domatic of described rectangular opening hole wall is formed by the compacting of pressure slope mould.
In order to finally reach the radial dimension of retainer, described conical pipe workpiece radial dilatation adopts mould compacting to reach required radial dimension.
The round tube shape that the processing of retainer is shaped to by the inventive method at first, raw-material utilization ratio is improved greatly, its stock utilization improves 30-45% than existing retainer processing method, also reduce cutting simultaneously, both reduce processing duration, increased work efficiency, also reduce materials consumption simultaneously, energy efficient, therefore this method method can lower the manufacture cost of retainer greatly.
Accompanying drawing explanation
Fig. 1 is the structural representation of retainer involved in the present invention.
Fig. 2 is the billot schematic diagram that the steel plate producing retainer is cut into.
Fig. 3 be billot be wound into circular pipe workpiece and butt joint carry out weld formed circular pipe workpiece schematic diagram.
Fig. 4 carries out the schematic diagram before shaping compacting with compacting tool set M2 to circular pipe workpiece.
Fig. 5 is that compacting tool set M2 carries out shaping compacting to circular pipe workpiece and forms the schematic diagram with pre-flanging Taper Pipe afterwards.
Fig. 6 is that folding bottom die M3 suppresses pre-flanging, forms the flanging 11 meeting designing requirement.
Fig. 7 is the schematic diagram in the isosceles trapezoid hole processed on punch press for placing tapered roller.
Fig. 8 is the R arc-shaped edges schematic diagram formed through turnery processing.
Fig. 9 carries out domatic compacting schematic diagram with the hole wall of pressure slope mould M4 to conical pipe workpiece G upper trapezoid hole.
Figure 10 is the plan view of domatic compacting schematic diagram shown in Fig. 9.
Figure 11 is the sectional view at the A-A of retainer shown in Fig. 1 place.
Figure 12 carries out the schematic diagram before radial dilatation with compacting tool set M5 to conical pipe workpiece G.
Figure 13 forms retainer body 1 ' after carrying out radial dilatation with compacting tool set M5 to conical pipe workpiece G.
Figure 14 is the processing method of present technology.
Embodiment
For retainer 1 as shown in Figure 1, the present embodiment adopts concrete steps described as follows to process.
Step one: billot cutting, is cut into billot E as shown in Figure 2 by making the steel plate of retainer, and what the present embodiment adopted is thickness is the steel plate of the carbon constructional quality steel of 0.2-6mm.
Step 2: make circular pipe workpiece, above-mentioned billot E is wound on winding mould M1, make it to become circular tube shaped, and adopt medium frequency inverter resistance welding butt joint to weld, welding stability and welding quality is improved by medium frequency inverter resistance welding, reduce energy consumption and wear to electrodes thus reduce operating cost, forming circular pipe workpiece F after welding, as Fig. 3.
Step 3: compressing, as Fig. 4, by the patrix M21 in compacting tool set M2, the cylndrical surface of circular pipe workpiece F pressure is risen into by conical surface 10, make the inside bending of the smaller diameter end of conical surface by the counterdie M22 in mould M2 simultaneously, the base 11 of retainer is pre-folded, formed with the conical surface in obtuse angle pre-fold base 11 ', as Fig. 5, this step makes circular pipe workpiece F be pressed into smaller diameter end to have the conical pipe workpiece G ' pre-folding base.
Step 4: folding base, as Fig. 6, by carrying out pressure pre-folding base 11 ' of the patrix M31 in folding bottom die M3 and counterdie M32, to carry out bending angle adjustment to pre-folding base, the base 11 of bending is made to reach setting requirement as shown in Figure 1 with the angle of conical pipe workpiece conical surface 10, the angle of namely vertical with conical pipe axis of workpiece bottom plane is 10 °, because of the angle supplementary angles on this angle and conical pipe workpiece conical surface and base 11, then the angle on conical pipe workpiece circular cone and base 11 is 90 °-10 °=80 °, forms the conical pipe workpiece G with base.
Step 5: processing isosceles trapezoid hole, at the some circumferentially uniform trapezoidal holes of the conical surface 10 upper punch of conical pipe workpiece G, this trapezoidal hole is for placing roller 2 in bearing, as Fig. 7.Employing punch press is processed, conical pipe workpiece G is arranged on the index plate H1 of punch press H, and make the conical surface 10 vertical with the pressing direction (direction of arrow in figure) of punch press upper punch H2, drift is after punching press completes a trapezoidal hole 12, index plate H1 rotates an angle, drift is the next trapezoidal hole of punching press then, until process holes all on the conical surface, trapezoidal hole being uniformly distributed on the conical surface ensures its positional accuracy by the high-precision rotation of index plate.
Step 6: Che Bian, the turning passed through goes the processing of rib to conical pipe workpiece major diameter end face, makes this end limit become R arc-shaped edges, as Fig. 8.
Step 7: pressure slope process, adopts pressure slope mould to carry out pressure slope to the hole wall of trapezoidal hole, domatic to be formed.As Fig. 9, 10, pressure slope mould M4 is by positioning disk M42, the block M41 and several briquettings M43 that rises forms, positioning disk M42 is uniform some guide pad M421 in its disc face, several briquettings M43 is slidably connected on corresponding guide pad M421 respectively by the chute M431 of bottom, make it to move radially along guide pad M421, one end that each briquetting M43 corresponds to disc face center is provided with internal conical surface, and the block M41 that rises is slidably connected in the hole M431 at positioning disk M42 center, its upper end is circular cone M411, the conical surface of this circular cone M411 and the internal conical surface of guide pad M421 one end suitable, when briquetting M43 moves upward, promote briquetting M43 by this conical surface to move in the trapezoidal hole 12 on the conical pipe workpiece G conical surface, and briquetting M43 front end is provided with symmetrically arranged inclined-plane M432, the corresponding aperture wall pressure of trapezoidal hole 12 is become domatic 121 by this inclined-plane M432, as Figure 11.
Step 8: radial dilatation, in order to reach the radial dimension needed for retainer, adopt radial dilatation mould M5, dilatation mold M5 has the conical surface corresponding with the size needed for retainer, radial dilatation is carried out with the inner conical surface of this dilatation mold M5 to conical pipe workpiece G, as Figure 12, form the retainer body 1 ' meeting radial dimension requirement, as Figure 13.
Step 9: carry out shot blast to this retainer body, removes burr, acute angle, and carries out surface peening, forms retainer 1 as shown in Figure 1.
Claims (9)
1. a processing method for retainer, is characterized in that comprising the following steps:
The steel plate making described retainer is cut into rectangle billot;
Described billot is wound into circular tube shaped, and butt joint welds, form circular pipe workpiece;
Shaping operation is carried out to described circular pipe workpiece, forms smaller diameter end and there is the conical pipe workpiece pre-folding base;
Bending angle adjustment is carried out to the base that pre-folds of conical pipe workpiece, makes the base of bending meet designing requirement;
The conical surface of conical pipe workpiece is processed some circumferentially uniform rectangular openings;
Rib is gone to process to described conical pipe workpiece larger diameter end;
Pressure slope processing is carried out to described rectangular opening, becomes domatic to make hole wall;
Radial dilatation processing is carried out to described conical pipe workpiece, forms the retainer body meeting radial dimension requirement;
Shot blast is carried out to described retainer body, forms the retainer product meeting hardness requirement.
2. the processing method of a kind of retainer according to claim 1, is characterized in that described billot is wound into circular pipe workpiece shape on a mould.
3. the processing method of a kind of retainer according to claim 2, it is characterized in that carrying out shaping operation by mould to described circular pipe workpiece, the cylndrical surface of circular pipe workpiece is pressed into conical surface, and to the inside bending of the smaller diameter end of conical surface, formed with the conical surface in obtuse angle pre-fold base.
4. the processing method of a kind of retainer according to claim 2, is characterized in that carrying out bending angle adjustment by mould to pre-folding base, making the angle of the base of bending and described conical surface be acute angle.
5. the processing method of a kind of retainer according to claim 1, it is characterized in that described butt joint carries out welding is adopt medium frequency inverter resistance welding.
6. the processing method of a kind of retainer according to claim 1, is characterized in that the some rectangular openings on the described conical pipe workpiece conical surface are processed to form by punch press and the index plate be arranged on this punch press.
7. the processing method of a kind of retainer according to claim 1, is characterized in that the corner angle process of going of the outer edge of described conical pipe workpiece larger diameter end is turning by the R circular arc to this outer edge.
8. the processing method of a kind of retainer according to claim 1, is characterized in that the domatic of described rectangular opening hole wall is formed by the compacting of pressure slope mould.
9. the processing method of a kind of retainer according to claim 1, is characterized in that described conical pipe workpiece radial dilatation adopts mould compacting to reach required radial dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189296.0A CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189296.0A CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104847795A true CN104847795A (en) | 2015-08-19 |
| CN104847795B CN104847795B (en) | 2017-07-28 |
Family
ID=53847680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510189296.0A Active CN104847795B (en) | 2015-04-20 | 2015-04-20 | A kind of processing method of retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104847795B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262592A (en) * | 2017-10-10 | 2018-07-10 | 湖北江山专用汽车有限公司 | The manufacturing process of steel automobile mud guard |
| US11105372B2 (en) * | 2019-02-07 | 2021-08-31 | Aktiebolaget Skf | Bearing cage segment including welding-material bodies or locations |
| US11149794B2 (en) | 2019-02-07 | 2021-10-19 | Aktiebolaget Skf | Bearing cage segment of a sheet metal cage |
| US11149793B2 (en) | 2019-02-07 | 2021-10-19 | Aktiebolaget Skf | Bearing cage segment including alignment element |
| CN113714737A (en) * | 2021-08-09 | 2021-11-30 | 无锡易通精密机械股份有限公司 | Shaping process of wind power bearing retainer with high tightness |
| DE102021117777B3 (en) | 2021-07-09 | 2022-10-06 | Hsp Schwahlen Gmbh | Method and device for producing a roller bearing cage from a sleeve-shaped blank and roller bearing cage |
| US11796001B2 (en) | 2019-02-07 | 2023-10-24 | Aktiebolaget Skf | Method of forming a bearing cage segment including a joint edge in the region of a to-be-formed bridge |
| US11846321B2 (en) | 2019-02-07 | 2023-12-19 | Aktiebolaget Skf | Method of forming a bearing cage segment including a joint edge for welding |
| US11846320B2 (en) | 2021-06-18 | 2023-12-19 | Aktiebolaget Skf | Cage segment for a rolling-element bearing cage |
| US11852196B2 (en) | 2021-06-18 | 2023-12-26 | Aktiebolaget Skf | Cage segment for a rolling-element bearing cage |
| WO2024125712A1 (en) * | 2022-12-12 | 2024-06-20 | Schaeffler Technologies AG & Co. KG | Rolling bearing cage and method for producing a rolling bearing cage |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB153867A (en) * | 1919-11-13 | 1921-09-08 | Bock Bearing Company | Improvements in and relating to roller bearings |
| US4212095A (en) * | 1978-02-13 | 1980-07-15 | Warchol Henry A | Bearing components and methods of making same |
| JPH11101240A (en) * | 1997-09-26 | 1999-04-13 | Ntn Corp | Holder for conical roller bearing and manufacture thereof |
| JP2001038440A (en) * | 1999-07-26 | 2001-02-13 | Nsk Ltd | Manufacture of conic roller bearing cage |
| JP2001165170A (en) * | 1999-12-03 | 2001-06-19 | Nsk Ltd | Method of manufacturing rolling bearing cage |
| CN1340665A (en) * | 2000-09-01 | 2002-03-20 | 朱松良 | Technology for machining bearing holder |
| JP2005098413A (en) * | 2003-09-25 | 2005-04-14 | Koyo Seiko Co Ltd | Retainer for roller bearing, and method for manufacturing the same |
| CN101672329A (en) * | 2009-07-22 | 2010-03-17 | 宁波达克轴承有限公司 | Bearing retainer and machining technique thereof |
-
2015
- 2015-04-20 CN CN201510189296.0A patent/CN104847795B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB153867A (en) * | 1919-11-13 | 1921-09-08 | Bock Bearing Company | Improvements in and relating to roller bearings |
| US1404383A (en) * | 1919-11-13 | 1922-01-24 | Bock Bearing Company | Roller bearing |
| US4212095A (en) * | 1978-02-13 | 1980-07-15 | Warchol Henry A | Bearing components and methods of making same |
| JPH11101240A (en) * | 1997-09-26 | 1999-04-13 | Ntn Corp | Holder for conical roller bearing and manufacture thereof |
| JP2001038440A (en) * | 1999-07-26 | 2001-02-13 | Nsk Ltd | Manufacture of conic roller bearing cage |
| JP2001165170A (en) * | 1999-12-03 | 2001-06-19 | Nsk Ltd | Method of manufacturing rolling bearing cage |
| CN1340665A (en) * | 2000-09-01 | 2002-03-20 | 朱松良 | Technology for machining bearing holder |
| JP2005098413A (en) * | 2003-09-25 | 2005-04-14 | Koyo Seiko Co Ltd | Retainer for roller bearing, and method for manufacturing the same |
| CN101672329A (en) * | 2009-07-22 | 2010-03-17 | 宁波达克轴承有限公司 | Bearing retainer and machining technique thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108262592A (en) * | 2017-10-10 | 2018-07-10 | 湖北江山专用汽车有限公司 | The manufacturing process of steel automobile mud guard |
| US11105372B2 (en) * | 2019-02-07 | 2021-08-31 | Aktiebolaget Skf | Bearing cage segment including welding-material bodies or locations |
| US11149794B2 (en) | 2019-02-07 | 2021-10-19 | Aktiebolaget Skf | Bearing cage segment of a sheet metal cage |
| US11149793B2 (en) | 2019-02-07 | 2021-10-19 | Aktiebolaget Skf | Bearing cage segment including alignment element |
| US11796001B2 (en) | 2019-02-07 | 2023-10-24 | Aktiebolaget Skf | Method of forming a bearing cage segment including a joint edge in the region of a to-be-formed bridge |
| US11846321B2 (en) | 2019-02-07 | 2023-12-19 | Aktiebolaget Skf | Method of forming a bearing cage segment including a joint edge for welding |
| US11846320B2 (en) | 2021-06-18 | 2023-12-19 | Aktiebolaget Skf | Cage segment for a rolling-element bearing cage |
| US11852196B2 (en) | 2021-06-18 | 2023-12-26 | Aktiebolaget Skf | Cage segment for a rolling-element bearing cage |
| DE102021117777B3 (en) | 2021-07-09 | 2022-10-06 | Hsp Schwahlen Gmbh | Method and device for producing a roller bearing cage from a sleeve-shaped blank and roller bearing cage |
| CN113714737A (en) * | 2021-08-09 | 2021-11-30 | 无锡易通精密机械股份有限公司 | Shaping process of wind power bearing retainer with high tightness |
| WO2024125712A1 (en) * | 2022-12-12 | 2024-06-20 | Schaeffler Technologies AG & Co. KG | Rolling bearing cage and method for producing a rolling bearing cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104847795B (en) | 2017-07-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104847795A (en) | Processing method of bearing retainer | |
| CN104847794A (en) | Processing method of bearing retainer | |
| CN107186158B (en) | Duplicate gear forging technology and mold based on plate bulk forming | |
| CN102513792A (en) | Cold extrusion forming process for oil pump shaft for automobile | |
| CN102744284A (en) | High-pressure elbow pipe billet heat-pushing temperature pressure shaping method | |
| CN100574970C (en) | A kind of manufacturing process of ball valve core | |
| CN105328020A (en) | Stamping tool for front ring in flame tube and working method of stamping tool | |
| CN106001230A (en) | Forming technology of belt wheel for compound shock absorber | |
| CN102152124A (en) | Process for manufacturing outer rim for wheel type tubeless engineering machinery wheel | |
| CN106623611A (en) | Combined forming method of deep double-cone and spherical-head type thin-wall part | |
| CN102240698B (en) | Reducing and hot-pressing formation method for high-pressure bend elliptical pipe billet | |
| CN103084534B (en) | The manufacture method of the cone tubular forging of nuclear power evaporator transition-cone | |
| CN111922654A (en) | Preparation method of GH4169 alloy special-shaped ring blank with flange and forming die thereof | |
| CN101961765B (en) | Manufacturing process and equipment for upset forging of flanges | |
| CN104540612B (en) | The manufacture method of wheel for vehicle wheel rim | |
| CN104384844A (en) | Production technique for steel ring spoke of engineering machinery | |
| CN103599954A (en) | Cold extrusion forming process and mold of internal gear | |
| CN108705023B (en) | Profiling forging process for integrated pipe joint section forge piece | |
| CN104826937A (en) | Tailcone forming mould and forming method of tailcone forming mould | |
| CN102641917A (en) | Round setting technique for pipe end of large-size pipe fitting | |
| CN102179668B (en) | Boiler and pressure vessel pressing seal head and manufacture method | |
| CN201768832U (en) | Mold assembly for manufacturing reducing pipes | |
| CN206373294U (en) | A kind of combined type shape expanding machine frock | |
| CN108080434B (en) | A kind of processing method and stamping die of step deep hole axial workpiece | |
| CN210817239U (en) | Corrugated ring forming die for nuclear power reactor internals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |