CN109420875A - A kind of processing method of bearing insert - Google Patents
A kind of processing method of bearing insert Download PDFInfo
- Publication number
- CN109420875A CN109420875A CN201710714765.5A CN201710714765A CN109420875A CN 109420875 A CN109420875 A CN 109420875A CN 201710714765 A CN201710714765 A CN 201710714765A CN 109420875 A CN109420875 A CN 109420875A
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- China
- Prior art keywords
- bearing insert
- processing
- oil
- bushing
- sheet metal
- 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
- 238000003672 processing method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 43
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims abstract description 8
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims description 39
- 229910052751 metal Inorganic materials 0.000 claims description 39
- 238000004080 punching Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000004807 localization Effects 0.000 claims description 4
- 238000009940 knitting Methods 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims description 3
- 238000011017 operating method Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 238000000227 grinding Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 49
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 9
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 229910001751 gemstone Inorganic materials 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- 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
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a kind of processing methods of bearing insert, belong to sliding bearing technical field, and technical points include pressure oil cave, mold, blanking, edge rolling, shaping and chamfering.A kind of processing method of bearing insert of the invention, it is easy to operate, using semi-automatic processing technology, it is more flexible changeable when processing bearing insert, optimum selecting optimal process process as needed is enabled the operator to, process time has been saved, improves the efficiency of processing.
Description
Technical field
The invention belongs to sliding bearing technical fields, more specifically, it relates to a kind of processing method of bearing insert.
Background technique
Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is to support mechanical rotary body, is reduced
Coefficient of friction in its motion process, and guarantee its rotating accuracy.
The processing method of traditional bearing insert includes pressure oil cave, shear, hole of buying oil, steel seal stamp, edge rolling, shaping and falls
Angle, but plate after oil pit milling train carries out the processing of pressure oil cave, since the use scope of bushing is different, is being needed root by operator
The shapes and sizes of plate are determined according to the actual length, width and height of bushing, but traditional technology mode is true using hand cutting
The direction of oil pit in the size and plate of fixed board material, the operating time is long, and efficiency is lower.
Therefore it needs to propose the new technical solution of one kind to solve the above problems.
Summary of the invention
It, should in view of the deficiencies of the prior art, the present invention intends to provide a kind of processing method of bearing insert
The processing method of bearing insert can effectively save production time and cost, improve the efficiency of production.
To achieve the above object, the present invention provides the following technical scheme that a kind of processing method of bearing insert, including with
Lower operating procedure,
Step a, pressure oil cave: sheet metal is subjected to the processing of pressure oil cave through oil pit milling train, obtains the metal plate that surface has oil pit
Material；
Step, mold: according to the size of design drawing middle (center) bearing bushing, the production of the punching die frame on punching machine is carried out；
Step b, blanking: there is the sheet metal of oil pit to be punched through punching machine surface obtained in step a, standard is obtained after blanking
The bushing first product of the strip of size；
Step c, edge rolling: bushing first product obtained in step b is made into circular knitting machine and carries out edge rolling processing, obtains elliptical set
Ring；
Step d, shaping: lantern ring obtained in step c is subjected to full circle processing through reshaper, obtains the regular positive round shape of status
Annulus；
Step e, chamfering: annulus obtained in step d is subjected to chamfered through beveler, obtains bearing insert.
By using above-mentioned technical proposal, it can be improved the oil storage capacity of bearing insert, further improve bearing insert
Lubricant effect between bearing；In step, by making punching die frame, enabling to finishing operations, person states punching in use
It is more accurate and efficient when pressing mold frame is punched；It, being capable of further regular jewel after step d Shape correction
Set, so that above-mentioned bearing insert forms the regular columned casing of a shape；In addition chamfered energy is carried out on annulus
Enough so that operator's enhanced convenience when installing bearing insert in the later period reduces the presence pierced firmly, with fast so as to have
The bearing ring that reduces of effect scratches axle journal or the probability of operator.
The present invention is further arranged to: in step a, there is the side of oil pit to carry out burnishing part the sheet metal
Reason.
By using above-mentioned technical proposal, burr that sheet metal surface during pressure oil cave occurs can be taken out and need not
The impression wanted reduces the probability of later period scratch matching journal surface, has so that sheet metal surface is more bright and clean and smooth
Effect protects axle journal, improves the service efficiency of bearing entirety.
The present invention is further arranged to: in step a, by oil pit side wall and sheet metal have between the side of oil pit into
Row chamfered.
By using above-mentioned technical proposal, the lubricating oil in oil pit is sucked out automatically out of oil pit, thus, it is possible to
Improve the greasy property of bearing insert.
The present invention is further arranged to: primary to complete oil on the sheet metal that the surface that step a is obtained has oil pit
Hole, standard code oilhole, standard code or oilhole and mark that perhaps the stamping process of oilhole and standard code is then obtained by punching press
Quasi- code is accurately positioned, then the punching machine through puncher or with cold stamping mould frame cut out strip bushing first product.
By using above-mentioned technical proposal, thus, it is possible to improve conventional multi to cut, the processing flow of punching or stamp is mentioned
Working efficiency is supplied, also define later period punching press or the above-mentioned sheet metal of shearing has position, further improves bushing
The shearing of first product or the quality of punching.
The present invention is further arranged to: the bushing first product of the obtained strip of step b being overturn, while being carried out through punching machine
Buy oil hole processing and through steel seal coder carry out stamp processing, obtain the bushing first product of strip.
By using above-mentioned technical proposal, can effectively reduce during buying oil hole and/or big code on oilhole and standard code
The accuracy of position improves the accuracy of bearing insert.
The present invention is further arranged to: in stepb, there is the sheet metal of oil pit to overturn on the surface that step a is obtained,
Bought oil for the first time through punching machine hole, stamp or buy oil hole and stamp processing are expected into half, are carried out punching after charging positioning again and are fallen
The hole of buying oil in processing and next bushing first product, stamp are expected or buy oil hole and stamp processing, at the beginning of obtaining the bushing of strip
Finished product.
By using above-mentioned technical proposal, wherein referring to that material sheet metal is put into stamping die by operator into half material
Sheet metal enters the half of distance in stamping die when interior distance is the first subnormal blanking.It ensure that on bearing insert
The order of accuarcy of the position of oilhole, while the sequence and step of the process of operation are optimized, process time has been saved, axis is improved
Hold the processing efficiency of bushing.
The present invention is further arranged to: is carried out at scribing line positioning at the outer ledge of the bearing insert obtained in step e
Reason.
By using above-mentioned technical proposal, the later period handles the flange of bearing insert after convenience, so that bearing insert is turning over
It is more accurate and efficient when side.
The present invention is further arranged to: in step e, the bearing insert after scribed line localization process being carried out through flanger
Flange processing, the bearing insert after obtaining flange.
By using above-mentioned technical proposal, the shape of bearing insert can be further processed as needed, improve above-mentioned
The scope of application of bearing insert.
In conclusion the invention has the following advantages: a kind of processing method of bearing insert of the invention, operation letter
Just, more flexible changeable when processing bearing insert using semi-automatic processing technology, it enables the operator to select as needed
It is preferred that selecting optimal process process, process time has been saved, has improved the efficiency of processing, in addition above-mentioned processing method can be according to conjunction
Reason calculates and positioning, and the cost of production has been saved in the effective generation for reducing processing waste material.
Detailed description of the invention
Fig. 1 is the perspective view of the present embodiment 1；
Fig. 2 is the structural schematic diagram after the expansion of the present embodiment 1, is mainly used for embodying oil pit and oil hole structure and relative position；
Fig. 3 is the structural schematic diagram of another angle after the expansion of the present embodiment 1, is mainly used for embodying the phase of standard code and oilhole
To position；
Fig. 4 is the flow process chart of the bearing insert of the present embodiment 1；
Fig. 5 is the perspective view of the present embodiment 9；
Fig. 6 is the flow process chart of the bearing insert of the present embodiment 9.
Detailed description of the invention: 1, sheet metal；2, oil pit；3, oilhole；4, standard code.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment 1: a kind of processing method of bearing insert, as shown in Figure 1 and Figure 4, including following operating procedure:
Step a, pressure oil cave: sheet metal 1 is subjected to the processing of surface pressure oil cave through 2 roller mill of oil pit, obtains surface with oil pit 2
Sheet metal 1；Several oil pits 2 that wherein oil pit 2 assumes diamond in shape on slotted hole structure and the sheet metal 1 helically shape interval
Setting, can be improved the oil storage capacity on bearing insert surface, strengthens the lubricant effect between later period bearing insert and bearing, and
And above-mentioned sheet metal 1 uses copper or quality steel plate and copper alloy powder to be made for material.
Step b, blanking: according to the size of design drawing middle (center) bearing bushing, production is for punching machine needed for later period blanking
Punch structure in accurate cold stamping mould frame, so that the size one of the bearing insert in the size and design drawing of punch structure
It causes；Then there is the sheet metal 1 of oil pit 2 to be punched through punching machine surface obtained in step a, is obtained after blanking standard-sized
Strip bushing first product.
Step c, edge rolling: bushing first product obtained in step b is passed through from movement circular knitting machine and carries out edge rolling processing, obtains ellipse
The lantern ring of shape.
Step d, shaping: lantern ring obtained in step c is placed on progress full circle processing in full-automatic parallel bars reshaper, is obtained
The annulus of the positive round shape regular to shape.
Step e, chamfering: by annulus obtained in step d in beveler, upper and lower two cyclic annular bottom surfaces are carried out at chamfering
Reason, obtains bearing insert, so that operator's enhanced convenience and quick when installing bearing insert in the later period.
Embodiment 2: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, make first once can punch structure in the stamping die of the multiple oilholes 3 of punching press, such as Fig. 2 and Fig. 3 institute
Show, it is primary to complete owning on block of metal plate 1 then on the sheet metal 1 that the surface that step a is obtained has oil pit 2
Then the blanking process of oilhole 3 carries out essence to above-mentioned sheet metal 1 by limiting the position of oilhole 3 using infrared inductor
Determine position, then the punching machine through puncher or with cold stamping mould frame cuts out to obtain standard-sized strip bushing first product.
Embodiment 3: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, make first once can punch structure in the stamping die of the multiple standard codes 4 of punching press, such as Fig. 2 and Fig. 3
It is shown, then on the sheet metal 1 that the surface that step a is obtained has oil pit 2, the primary institute completed on block of metal plate 1
There is the stamping process of standard code 4, the position of limit standard code 4 is then passed through to above-mentioned sheet metal 1 using infrared inductor
Be accurately positioned, then the punching machine through puncher or with cold stamping mould frame cut out at the beginning of standard-sized strip bushing at
Product.
Embodiment 4: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, the punch structure once capableing of in the stamping die of the multiple oilholes 3 of punching press and standard code 4 is made first, such as
It is primary to complete block of metal plate then on the sheet metal 1 that the surface that step a is obtained has oil pit 2 shown in Fig. 2 and Fig. 3
The stamping process of all oilholes 3 and standard code 4 on 1, then using infrared inductor by limiting oilhole 3 and standard code 4
Position above-mentioned sheet metal 1 is accurately positioned, then the punching machine through puncher or with cold stamping mould frame cuts out to obtain standard
The strip bushing first product of size.
Embodiment 5: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: the bushing first product of the obtained strip of step b is overturn, while buy oil through punching machine and hole and carry out through steel seal coder
Stamp processing, obtains standard-sized strip bushing first product.
Embodiment 6: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, there is the sheet metal 1 of oil pit 2 to overturn the surface that step a is obtained, is beaten for the first time into half material through punching machine
Oilhole processing, wherein referring to that the distance that material sheet metal is put into stamping die is first subnormal by operator into half material
Sheet metal enters the half of distance in stamping die when blanking.Then while carrying out stamping and blanking processing after charging positioning
The hole processing that carries out buying oil in next bushing first product is completed, the bushing first product of strip is obtained.
Embodiment 7: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, there is the sheet metal 1 of oil pit 2 to overturn the surface that step a is obtained, is beaten for the first time into half material through punching machine
Code processing completes the punching press in next bushing first product while progress stamping and blanking processing after charging positioning and buys oil
Hole, stamp and buy oil hole and stamp processing, obtain the bushing first product of strip.
Embodiment 8: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 1 and Figure 4
In: in stepb, there is the sheet metal 1 of oil pit 2 to overturn the surface that step a is obtained, carries out head simultaneously through punching machine into half material
Secondary buy oil hole and stamp processing, complete while stamping and blanking processing after charging positioning and rush in next bushing first product
Pressure carries out buy oil hole processing and stamp processing, obtains the bushing first product of strip.
Embodiment 9: a kind of processing method of bearing insert exists with the difference of embodiment 1 as shown in Figure 5 and Figure 6
In: scribing line localization process is carried out through punching machine at the outer ledge of the bearing insert obtained in step e, through automatic flanger after
Radially direction carries out flange processing, the bearing insert after obtaining flange outward.
Specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
It can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as in this hair
All by the protection of Patent Law in bright scope of the claims.
Claims (8)
1. a kind of processing method of bearing insert, it is characterised in that: including following operating procedure,
Step a, pressure oil cave: sheet metal (1) is subjected to the processing of pressure oil cave through oil pit milling train, obtains surface with oil pit (2)
Sheet metal (1)；
Step b, blanking: there is the sheet metal (1) of oil pit (2) to be punched through punching machine surface obtained in step a, after blanking
To the bushing first product of standard-sized strip；
Step c, edge rolling: bushing first product obtained in step b is made into circular knitting machine and carries out edge rolling processing, obtains elliptical set
Ring；
Step d, shaping: lantern ring obtained in step c is subjected to full circle processing through reshaper, obtains the regular positive round shape of status
Annulus；
Step e, chamfering: annulus obtained in step d is subjected to chamfered through beveler, obtains bearing insert.
2. a kind of processing method of bearing insert according to claim 1, it is characterised in that: in step a, by the gold
Belonging to plate (1), there is the side of oil pit (2) to carry out grinding process.
3. a kind of processing method of bearing insert according to claim 2, it is characterised in that: in step a, by oil pit
(2) side wall and sheet metal (1) have sheet metal (1) side between carry out chamfered.
4. a kind of processing method of bearing insert according to claim 3, it is characterised in that: in the surface that step a is obtained
On sheet metal (1) with oil pit (2), oilhole (3), standard code (4) or oilhole (3) and standard code (4) are once completed
Stamping process, it is accurately fixed that oilhole (3), standard code (4) or the oilhole (3) and standard code (4) then obtained by punching press carries out
Position, then through puncher or punching die frame cut out strip bushing first product.
5. a kind of processing method of bearing insert according to claim 3, it is characterised in that: the strip for obtaining step b
The bushing first product of shape is overturn, while buy oil through punching machine and hole processing and through steel seal coder being carried out stamp processing, is grown
The bushing first product of strip.
6. a kind of processing method of bearing insert according to claim 3, it is characterised in that: in stepb, by step a
There is the sheet metal (1) of oil pit (2) to overturn on obtained surface, hole, the stamp of being bought oil for the first time into half material through punching machine or beat
Oilhole and stamp processing carry out stamping and blanking processing and the hole of buying oil in next bushing first product, stamp after charging positioning again
Or buy oil hole and stamp processing, obtain the bushing first product of strip.
7. a kind of processing method of bearing insert described in any one of -6 according to claim 1, it is characterised in that: in step
Scribing line localization process is carried out at the outer ledge of bearing insert obtained in e.
8. a kind of processing method of bearing insert according to claim 7, it is characterised in that: in step e, by scribed line
Bearing insert after localization process carries out flange processing through flanger, the bearing insert after obtaining flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714765.5A CN109420875A (en) | 2017-08-19 | 2017-08-19 | A kind of processing method of bearing insert |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710714765.5A CN109420875A (en) | 2017-08-19 | 2017-08-19 | A kind of processing method of bearing insert |
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| Publication Number | Publication Date |
|---|---|
| CN109420875A true CN109420875A (en) | 2019-03-05 |
Family
ID=65497176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710714765.5A Pending CN109420875A (en) | 2017-08-19 | 2017-08-19 | A kind of processing method of bearing insert |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109420875A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427894A (en) * | 2020-11-12 | 2021-03-02 | 中国航发中传机械有限公司 | Machining method of high-precision thin-wall part |
| CN113305234A (en) * | 2021-04-29 | 2021-08-27 | 杭州临安培富机车部件有限公司 | Method for finishing circle for producing sliding bearing bush |
| CN115041923A (en) * | 2022-06-25 | 2022-09-13 | 杭州轴瓦有限公司 | Method for processing slotted bushing |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102189A (en) * | 1986-04-06 | 1987-10-21 | 蓬莱县南王乡团结农机修造厂 | Edge folding process for cold pressed bi-metal reel pleeve |
| CN1060515A (en) * | 1990-10-10 | 1992-04-22 | 胡长安 | The production method of shouldered bimetallic thrust axle sleeve |
| DE10258829B3 (en) * | 2002-12-17 | 2004-04-08 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Method for manufacturing bearing shells involves making imprinted marking on inside face of blank before applying anti-friction coating, with mark deep and wide enough to remain visible after coating is applied |
| US20060177166A1 (en) * | 2004-12-15 | 2006-08-10 | August Stadlmayr | Plain bearing element and method of producing a wrapped plain bearing bushing |
| CN2926647Y (en) * | 2006-06-21 | 2007-07-25 | 浙江双飞无油轴承有限公司 | Double metal sliding bearing with diamond oil cave |
| US7752756B2 (en) * | 2003-03-27 | 2010-07-13 | Minebea Co., Ltd. | Bush and method of manufacturing a bush |
| CN203426290U (en) * | 2013-07-19 | 2014-02-12 | 牟维军 | Guide-plate punching blanking continuous mould distanced by guide pin |
| CN206009553U (en) * | 2016-08-26 | 2017-03-15 | 四川华玉车辆板簧有限公司 | A kind of vehicle leaf spring blanking, punching, the integrated progressive die of impressing |
-
2017
- 2017-08-19 CN CN201710714765.5A patent/CN109420875A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102189A (en) * | 1986-04-06 | 1987-10-21 | 蓬莱县南王乡团结农机修造厂 | Edge folding process for cold pressed bi-metal reel pleeve |
| CN1060515A (en) * | 1990-10-10 | 1992-04-22 | 胡长安 | The production method of shouldered bimetallic thrust axle sleeve |
| DE10258829B3 (en) * | 2002-12-17 | 2004-04-08 | Federal-Mogul Wiesbaden Gmbh & Co. Kg | Method for manufacturing bearing shells involves making imprinted marking on inside face of blank before applying anti-friction coating, with mark deep and wide enough to remain visible after coating is applied |
| US7752756B2 (en) * | 2003-03-27 | 2010-07-13 | Minebea Co., Ltd. | Bush and method of manufacturing a bush |
| US20060177166A1 (en) * | 2004-12-15 | 2006-08-10 | August Stadlmayr | Plain bearing element and method of producing a wrapped plain bearing bushing |
| CN2926647Y (en) * | 2006-06-21 | 2007-07-25 | 浙江双飞无油轴承有限公司 | Double metal sliding bearing with diamond oil cave |
| CN203426290U (en) * | 2013-07-19 | 2014-02-12 | 牟维军 | Guide-plate punching blanking continuous mould distanced by guide pin |
| CN206009553U (en) * | 2016-08-26 | 2017-03-15 | 四川华玉车辆板簧有限公司 | A kind of vehicle leaf spring blanking, punching, the integrated progressive die of impressing |
Non-Patent Citations (1)
| Title |
|---|
| 中国标准出版社全国滑动轴承标准化技术委员会: "《中国机械工业标准汇编 滑动轴承卷》", 31 August 2003, 中国标准出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112427894A (en) * | 2020-11-12 | 2021-03-02 | 中国航发中传机械有限公司 | Machining method of high-precision thin-wall part |
| CN113305234A (en) * | 2021-04-29 | 2021-08-27 | 杭州临安培富机车部件有限公司 | Method for finishing circle for producing sliding bearing bush |
| CN113305234B (en) * | 2021-04-29 | 2023-01-17 | 杭州临安培富机车部件有限公司 | Method for finishing circle for producing sliding bearing bush |
| CN115041923A (en) * | 2022-06-25 | 2022-09-13 | 杭州轴瓦有限公司 | Method for processing slotted bushing |
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