CN102069195B - Method for turning annular parallelism face polytetrafluoroethylene rubber ring - Google Patents
Method for turning annular parallelism face polytetrafluoroethylene rubber ring Download PDFInfo
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- CN102069195B CN102069195B CN2010105978135A CN201010597813A CN102069195B CN 102069195 B CN102069195 B CN 102069195B CN 2010105978135 A CN2010105978135 A CN 2010105978135A CN 201010597813 A CN201010597813 A CN 201010597813A CN 102069195 B CN102069195 B CN 102069195B
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Abstract
The invention relates to the technical field of rubber processing, in particular to a method for turning an annular parallelism face polytetrafluoroethylene rubber ring. The method comprises the following steps of: clamping a wood plate on a lathe chuck; fixing a polytetrafluoroethylene rubber ring on the clamped wood plate; adjusting the rotation speed of a tool to be a linear velocity of between 25 and 30 meters/minute; lubricating the surface of the tool by using a lubricating agent; processing an inner hole by using an inner hole lathe tool during processing; processing a step by using a cutoff tool; turning an external diameter and an external circle face by using an outer circle lathe tool; and finally cutting off by using the cutoff tool. In the method, the time for processing a finished product of a single member is 2 hours; if a mould vulcanization method is adopted, the processing period of a mould is 160 hours, 40 polytetrafluoroethylene rubber rings can be processed by using one mould; the time for vulcanizing a polytetrafluoroethylene rubber ring is 90 minutes, and the time for vulcanizing 40 polytetrafluoroethylene rubber rings is 60 hours; and the time for vulcanizing 40 polytetrafluoroethylene rubber rings is 220 hours by using the mould vulcanization method, but only 80 hours is required by using the method, so that the processing efficiency is greatly improved.
Description
Technical field
The present invention relates to the rubber processing technical field, be specifically related to a kind of Vehicle Processing method of ring-type depth of parallelism face polytetrafluoroethylene (PTFE) rubber ring.
Background technology
The polytetrafluoroethylene (PTFE) elastomeric material has good chemical stability, and is all less with the effect of strong acid, highly basic oxidant; And heat-resisting, cold-resistant, the serviceability temperature scope is-180～250 ℃; Coefficient of friction is low, is fabulous self-lubricating material, therefore uses very extensively.
Because polytetrafluoroethylene (PTFE) elastomeric material good toughness, deflection is big, when processing has the polytetrafluoroethylene (PTFE) elastomeric material of the annular groove and the complex profile of degree face as adopting cutter be difficult to process successfully with the Vehicle Processing method, so adopt mould to vulcanize method mostly.But the Mould Machining cycle of mould sulfuration method is 160 hours, and the time of a polytetrafluoroethylene (PTFE) rubber ring of sulfuration is 90 minutes, so the mould sulfuration method process-cycle is longer.Its processing cost is also very high, and a mold needs 40,000 yuan.
Summary of the invention
The objective of the invention is deficiency, a kind of Vehicle Processing method of ring-type depth of parallelism face polytetrafluoroethylene (PTFE) rubber ring is provided, when improving working (machining) efficiency, reduced processing cost to the prior art existence.
The technical scheme that realizes the object of the invention is to carry out as follows:
At first plank is clamped on the lathe chuck, is fixed on the polytetrafluoroethylene (PTFE) rubber ring on the plank of chucking; The adjustment cutter, rotating speed is 25～30 meters/minute of linear velocities, and with lubricator lubricated tool surface; Add and earlier process endoporus man-hour with internal lathe-tool, process stage with cutoff tool again after, go out external diameter with the billmpse tool car and reach outer degree face, cut off with cutoff tool at last;
The degree face angle of described ring-type depth of parallelism face polytetrafluoroethylene (PTFE) rubber ring is 30～60 °;
Described lubricant is selected oil emulsion for use;
High-speed steel is compared with carbide alloy, good toughness, and cutting ability is good, and draws materials conveniently, and is with low cost, so described all tool selection high-speed steel are as raw material;
Because polytetrafluoroethylene (PTFE) rubber ring toughness is high, whole rubber ring can come off from plank when cutting force was big, had reduced the cutting force of cutter through the grinding cutter head, so the cutter head width of described all cutters is 0.1～0.15mm,
Described all cutter blade length are than the long 2mm of workpiece, but blade can not surpass 25mm length because blade is oversize, and cutter head fractures easily;
The rake face of the billmpse tool in the described cutter is 2 °～3 ° with the angle of back knife face;
Cutoff tool in the described cutter is formed by the inner bore lathe grooving tool transformation of the way commonly used, when processing polytetrafluoroethylregenerated rubber ring, cuts off from inside to outside.
Compared with prior art, characteristics of the present invention and beneficial effect thereof are:
The processing polytetrafluoroethylregenerated rubber ring of Vehicle Processing method that 1 the present invention adopts, the single-piece work time is 2 hours, as adopting mould sulfuration method; The process-cycle of mould is wanted 160 hours, and a mould can be processed 40 polytetrafluoroethylene (PTFE) rubber rings, and vulcanizing a polytetrafluoroethylene (PTFE) rubber ring needs 90 minutes; 40 needs 60 hours; So adopt 40 polytetrafluoroethylene (PTFE) rubber rings of mould sulfuration method processing to need 220 hours, and the present invention only needs 80 hours, working (machining) efficiency increases substantially;
The cost of the Vehicle Processing manufactured polytetrafluoroethylene (PTFE) rubber ring that 2 the present invention adopt is 80 a yuan/part; 40,000 yuan of one mold costs of mould sulfuration method; Can process 40 products, amounting to into the single-piece work cost is 1000 yuan, and the present invention has significantly reduced production cost.
The specific embodiment
Below in conjunction with embodiment the present invention is elaborated; But protection scope of the present invention is not limited only to following embodiment: the used lathe model of following embodiment is CA6140; The tool selection high-speed steel is as raw material, and edge length is than the long 2mm of workpiece, but is no more than 25mm.
Embodiment 1 at first is clamped on plank on the lathe chuck with scroll chuck, is fixed on the polytetrafluoroethylene (PTFE) rubber ring on the plank of chucking with nail again; The adjustment cutter, rotating speed is 30 meters/minute of linear velocities, and with the lubricated tool surface of oil emulsion; Add and use the cutter head width to process endoporus earlier man-hour as the internal lathe-tool of 0.1mm; After using the cutter head width to process the stage of polytetrafluoroethylene (PTFE) rubber ring again as the cutoff tool of 0.1mm; The angle that uses rake face and back knife face is the outer degree face that 2 ° billmpse tool car goes out external diameter and 30 °; Use the cutter head width to cut off from inside to outside at last, obtain final products as the cutoff tool of 0.1mm.
Embodiment 2 at first is clamped on plank on the lathe chuck with scroll chuck, is fixed on the polytetrafluoroethylene (PTFE) rubber ring on the plank of chucking with nail again; The adjustment cutter, rotating speed is 25 meters/minute of linear velocities, and with the lubricated tool surface of oil emulsion; Add and use the cutter head width to process endoporus earlier man-hour as the internal lathe-tool of 0.15mm; After using the cutter head width to process the stage of polytetrafluoroethylene (PTFE) rubber ring again as the cutoff tool of 0.15mm; The angle that uses rake face and back knife face is the outer degree face that 3 ° billmpse tool car goes out external diameter and 60 °; Use the cutter head width to cut off from inside to outside at last, obtain final products as the cutoff tool of 0.15mm.
Claims (7)
1. the Vehicle Processing method of a ring-type depth of parallelism face polytetrafluoroethylene (PTFE) rubber ring is characterized in that carrying out as follows: at first plank is clamped on the lathe chuck, is fixed on the polytetrafluoroethylene (PTFE) rubber ring on the plank of chucking; The adjustment cutter, rotating speed is 25～30 meters/minute of linear velocities, and with lubricator lubricated tool surface; Add and earlier process endoporus man-hour with internal lathe-tool, process stage with cutoff tool again after, go out external diameter with the billmpse tool car and reach outer degree face, cut off with cutoff tool at last.
2. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1 is characterized in that the degree face angle of described ring-type depth of parallelism face polytetrafluoroethylene (PTFE) rubber ring is 30～60 °.
3. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1 is characterized in that described lubricant selects oil emulsion for use.
4. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1 is characterized in that described all tool selection high-speed steel are as raw material.
5. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1, the cutter head width that it is characterized in that described all cutters is 0.1～0.15mm, edge length is than the long 2mm of workpiece.
6. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1 is characterized in that the rake face of the billmpse tool in the described cutter and the angle of back knife face are 2 °～3 °.
7. the Vehicle Processing method of a kind of polytetrafluoroethylene (PTFE) rubber ring according to claim 1 is characterized in that the cutoff tool in the described cutter cuts off from inside to outside when processing polytetrafluoroethylregenerated rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105978135A CN102069195B (en) | 2010-12-21 | 2010-12-21 | Method for turning annular parallelism face polytetrafluoroethylene rubber ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105978135A CN102069195B (en) | 2010-12-21 | 2010-12-21 | Method for turning annular parallelism face polytetrafluoroethylene rubber ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102069195A CN102069195A (en) | 2011-05-25 |
| CN102069195B true CN102069195B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105978135A Expired - Fee Related CN102069195B (en) | 2010-12-21 | 2010-12-21 | Method for turning annular parallelism face polytetrafluoroethylene rubber ring |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923806A (en) * | 2015-06-16 | 2015-09-23 | 湖北三江航天江北机械工程有限公司 | Thin-walled polytetrafluoroethylene sealing ring machining method |
| WO2019109282A1 (en) * | 2017-12-07 | 2019-06-13 | 徐文胜 | Method for processing polytetrafluoroethylene temperature-resistant gasket with steel lining, and product |
| CN109834295B (en) * | 2019-01-15 | 2020-11-06 | 江苏科技大学 | Machining method for large-diameter rubber ring |
| CN109773215A (en) * | 2019-03-05 | 2019-05-21 | 杜实阀门配件(上海)有限公司 | A kind of processing unit (plant) and method of defective ball valve rubber triangle circle |
| CN110976912B (en) * | 2019-11-20 | 2021-02-12 | 中国航发沈阳黎明航空发动机有限责任公司 | Turning method for rubber easily-worn ring of large fan casing assembly |
Citations (4)
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|---|---|---|---|---|
| US4318319A (en) * | 1979-04-13 | 1982-03-09 | Scholin Harold W | Sealing ring and method and apparatus for making same |
| CN1958199A (en) * | 2005-10-31 | 2007-05-09 | 大连机床集团有限责任公司 | Method for manufacturing annular conical surface of tapered piston turned through digital control |
| CN201132339Y (en) * | 2007-09-30 | 2008-10-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Blanking tool for cutting rubber plate |
| CN101332516A (en) * | 2007-06-25 | 2008-12-31 | 上海海事大学 | Processing technique of annular thin wall part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002346801A (en) * | 2001-05-24 | 2002-12-04 | Nk Kogyo Kk | Manufacturing method of plastic-ring |
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2010
- 2010-12-21 CN CN2010105978135A patent/CN102069195B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318319A (en) * | 1979-04-13 | 1982-03-09 | Scholin Harold W | Sealing ring and method and apparatus for making same |
| CN1958199A (en) * | 2005-10-31 | 2007-05-09 | 大连机床集团有限责任公司 | Method for manufacturing annular conical surface of tapered piston turned through digital control |
| CN101332516A (en) * | 2007-06-25 | 2008-12-31 | 上海海事大学 | Processing technique of annular thin wall part |
| CN201132339Y (en) * | 2007-09-30 | 2008-10-15 | 沈阳黎明航空发动机(集团)有限责任公司 | Blanking tool for cutting rubber plate |
Non-Patent Citations (4)
| Title |
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| JP特开2002-346801A 2002.12.04 |
| 吴次兰.填充聚四氟乙烯导向环的机械加工.《现代制造工程》.1991,(第1期),第22-23页. * |
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| CN102069195A (en) | 2011-05-25 |
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