CN101972777A - Titanium welded pipe and stainless steel welded pipe forming roller and surface treatment method thereof - Google Patents
Titanium welded pipe and stainless steel welded pipe forming roller and surface treatment method thereof Download PDFInfo
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- CN101972777A CN101972777A CN 201010517509 CN201010517509A CN101972777A CN 101972777 A CN101972777 A CN 101972777A CN 201010517509 CN201010517509 CN 201010517509 CN 201010517509 A CN201010517509 A CN 201010517509A CN 101972777 A CN101972777 A CN 101972777A
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- welded pipe
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- titanium
- forming roller
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Abstract
The invention discloses a titanium welded pipe and stainless steel welded pipe forming roller. A base material for the forming roller is an alloy tool steel material with the hardness not less than 40HRC. The surface of a forming part or a nodulating part of the roller is provided with a composite coating layer formed by a nitriding layer and a coating film. The invention also discloses a surface treatment method of the forming roller. In the invention, the surface harness and abrasive resistance of the forming roller are improved, and meanwhile, the surface of the roller is not in affinity with titanium materials and stainless steel materials, therefore, the problem on the scratching of the surface of the welded pipe is solved, the service life of the roller is prolonged, the production cost is reduced, the product quality is improved and the technological requirements on high-efficiency continuous production can be met.
Description
Technical field
The present invention relates to titanium welding pipe and stainless steel welded pipe production technical field, relate in particular to a kind of titanium welding pipe and stainless steel welded pipe molding roller and processing and treating method thereof.
Background technology
China's precision die manufacture level is compared the bigger gap of existence with advanced industrialized country, mainly show aspects such as precision, mold cavity surface roughness, service life.Its ratio of precision die that belongs to country's urgent need types such as large-scale, accurate, complicated, long-life in the mould of domestic production has only about 30%, abroad then more than 60%, so the high-quality precise forming mold that R and D have an autonomous property right has become a key that improves the domestic industry level of production.
At present, the stainless steel welded pipe moulding of prior art is produced and mainly had following technical problem: 1, wall is thin, the easy sideslip of weld seam; 2, rigidity is big, the roll that weares and teares easily, and roll is not long service life; 3, to the requirement height of bonding machine group and mould, need very high machining accuracy.
The moulding of titanium welding pipe is to improve on the moulding basis of stainless steel welded pipe.Its basic principle is similar, but compares with stainless steel welded pipe, and the moulding of titanium welding pipe requires higher, and reason is that its metal specific strength height, elasticity are big, be difficult to moulding, makes the moulding position form buildup easily.And roll is in rotary course because axial surface each point linear velocity is different, like this roll will with the pipe formation speed difference of moulding, the buildup on the roll will scratch the titanium pipe.Therefore, for making not premature failure of mould, must make the mould molding mask that high rigidity, best bright finish, performance such as wear-resisting are arranged.In addition, it is most important mould to be carried out surface Hardening Treatment.The surface treatment of mould at present mainly contains technologies such as nitriding, boronising, chromising, even a spot of vapour deposition CTiN, TiC and plasma spray coating process etc. occur.Also have some producers to use high property copper alloy, though its performance height, its price is also very high.And complicated along with continuous advancement in technology and application had higher requirement to mold performance in the manufacturing of some precise parts.At present existing traditional process for treating surface can not satisfy growing user demand.How to improve process of surface treatment to obtain desirable surface property and comprehensive price ratio height, become the key point that the mould research and development are made thereby satisfy the requirement of producing.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of molding roller, and cost is lower, to satisfy the production demand of high-performance titanium welding pipe and stainless steel welded pipe with high-wearing feature, high rigidity, long service life.Another object of the present invention is to provide the surface treatment method of above-mentioned molding roller.
Purpose of the present invention is achieved by the following technical programs:
A kind of titanium welding pipe provided by the invention and stainless steel welded pipe molding roller, its base material are the alloy tool steel material of hardness 〉=40HRC; The surface of described roll forming part or buildup portion has the composite coating of nitriding layer and plated film formation.The present invention adopts alloy tool steel as the roll base material, for example alloy tool steel H13 is the 4Cr5MoSiV1 alloy, roller substrate wearability, good heat resistance, and toughness is lower, can satisfy the rigid demand of high-performance titanium welding pipe and stainless steel welded pipe well, be suitable for carrying out coating simultaneously and handle.The composite coating on roll forming part of the present invention or buildup portion surface when improving case hardness and wearability, makes that roller surface and titanium material and stainless steel are not affine, thereby has solved the difficult problem that surface of welded pipe scratches.
For making roll forming part or buildup portion possess superhard surface state, plated film of the present invention is a DLC film, with further raising roller surface hardness, reduction coefficient of friction, thereby effectively improves service life.
Another object of the present invention is achieved by the following technical programs:
The surface treatment method of above-mentioned titanium welding pipe provided by the invention and stainless steel welded pipe molding roller, use alloy tool steel material to prepare roller substrate, at first the forming part of breaker roll matrix or buildup portion adopt ionic nitrogen to handle and form nitriding layer, adopt coating process to form functional coating then.
For effectively improving the accuracy of roll, roll of the present invention adopts the optics grinding machine to carry out machine-shaping, and uses three-dimensional coordinate measuring instrument to detect.
The present invention has following beneficial effect:
(1) uses the alloy tool steel material of wear-resisting and suitable coating, as alloy tool steel H13 is the 4Cr5MoSiV1 alloy, make roller substrate have very high hardness, its quenching hardness can reach about 55HRC, and is easy to carry out surface seepage and coating processing.
(2) forming part of roller substrate or buildup portion employing ionic nitriding combines with the coating diamond-like film and carries out the face coat processing, make roll reach superhard and the clean surface state of ultraphotic, case hardness 〉=23GPa, coefficient of friction is less than 0.20, roller surface and titanium material and stainless steel are not affine, solved the difficult problem that surface of welded pipe scratches, and reduced the generation of molding roller surface buildup, can improve 2～3 times service life, reduced production cost, improve product quality, can satisfy the specification requirement that high-efficiency and continuous is produced.
Description of drawings
The present invention is described in further detail below in conjunction with embodiment and accompanying drawing:
Fig. 1 is the structural representation of one of embodiment of the invention roll;
Fig. 2 is two a structural representation of embodiment of the invention roll.
Among the figure: roll base material 1, forming part 2, buildup portion 3
The specific embodiment
Illustrated in figures 1 and 2 for titanium welding pipe of the present invention and stainless steel welded pipe molding roller, comprise that the precise forming roll is right to, sizing roll.Its base material 1 uses the alloy tool steel material of wear-resisting and suitable coating, for example alloy tool steel H13, i.e. 4Cr5MoSiV1 alloy.Adopt ionic nitridings to combine to carry out face coat in roll forming part 2 or buildup portion 3 and handle with the coating diamond-like membrane process, thus formation nitriding layer and DLC film composite coating.Molding roller reaches superhard and the clean surface state of ultraphotic, and die surface hardness 〉=23GPa, coefficient of friction are less than 0.20, and roller surface and titanium material and stainless steel are not affine, has solved the difficult problem that surface of welded pipe scratches, and has improved 2～3 times service life simultaneously.Roll adopts the optics grinding machine to carry out machine-shaping, and uses three-dimensional coordinate measuring instrument to detect, and has improved the accuracy of roll greatly, can reach several microns or below, thereby greatly satisfied the accuracy of titanium welding pipe and stainless steel welded pipe moulding requirement.
Claims (4)
1. titanium welding pipe and stainless steel welded pipe molding roller, it is characterized in that: described roll base material (1) is the alloy tool steel material of hardness 〉=40HRC; The surface of described roll forming part (2) or buildup portion (3) has the composite coating of nitriding layer and plated film formation.
2. titanium welding pipe according to claim 1 and stainless steel welded pipe molding roller is characterized in that: described roll base material (1) is the 4Cr5MoSiV1 alloy tool steel.
3. titanium welding pipe according to claim 1 and stainless steel welded pipe molding roller is characterized in that: described plated film is a DLC film.
4. the surface treatment method of described titanium welding pipe of one of claim 1-3 and stainless steel welded pipe molding roller, it is characterized in that: use alloy tool steel material to prepare roller substrate, at first forming part of breaker roll matrix (2) or buildup portion (3) adopt ion Plasma Nitriding Treatment to form nitriding layer, adopt coating process to form functional coating then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010517509 CN101972777A (en) | 2010-10-22 | 2010-10-22 | Titanium welded pipe and stainless steel welded pipe forming roller and surface treatment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010517509 CN101972777A (en) | 2010-10-22 | 2010-10-22 | Titanium welded pipe and stainless steel welded pipe forming roller and surface treatment method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101972777A true CN101972777A (en) | 2011-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010517509 Pending CN101972777A (en) | 2010-10-22 | 2010-10-22 | Titanium welded pipe and stainless steel welded pipe forming roller and surface treatment method thereof |
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| CN (1) | CN101972777A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658270A (en) * | 2013-12-04 | 2014-03-26 | 中国矿业大学(北京) | Layering roller wheel |
| CN106062454A (en) * | 2014-03-18 | 2016-10-26 | 株式会社神户制钢所 | Welded titanium pipe and welded titanium pipe manufacturing method |
| JP2017042788A (en) * | 2015-08-26 | 2017-03-02 | 新日鐵住金株式会社 | Roll for metal plate rolling |
| JP2017077583A (en) * | 2015-10-22 | 2017-04-27 | 新日鐵住金株式会社 | Roll for rolling metal plate |
| JP2017136625A (en) * | 2016-02-04 | 2017-08-10 | 新日鐵住金株式会社 | Metal plate rolling roll |
| CN108554755A (en) * | 2018-06-16 | 2018-09-21 | 宁波明望汽车饰件有限公司 | A kind of auto parts machinery surface intensified technique |
| CN112588992A (en) * | 2020-12-11 | 2021-04-02 | 合肥中辰轻工机械有限公司 | Seaming wheel applied to pop can and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118114A (en) * | 1990-09-05 | 1992-04-20 | Hitachi Metals Ltd | Roll for manufacturing welded tube |
| JP3091824B2 (en) * | 1994-12-22 | 2000-09-25 | 新日本製鐵株式会社 | Ceramic coated steel tube forming roll |
| CN201020474Y (en) * | 2007-03-15 | 2008-02-13 | 袁厚之 | Composite roller used for welded steel tube and cold bending sectional steel |
| CN100385038C (en) * | 2005-11-28 | 2008-04-30 | 吴大维 | Nano superhard composite film tool with high adhesion and its deposition method |
| CN101704021A (en) * | 2009-11-06 | 2010-05-12 | 湖南湘投金天新材料有限公司 | Molding roller of thin-wall titanium welding pipe |
-
2010
- 2010-10-22 CN CN 201010517509 patent/CN101972777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04118114A (en) * | 1990-09-05 | 1992-04-20 | Hitachi Metals Ltd | Roll for manufacturing welded tube |
| JP3091824B2 (en) * | 1994-12-22 | 2000-09-25 | 新日本製鐵株式会社 | Ceramic coated steel tube forming roll |
| CN100385038C (en) * | 2005-11-28 | 2008-04-30 | 吴大维 | Nano superhard composite film tool with high adhesion and its deposition method |
| CN201020474Y (en) * | 2007-03-15 | 2008-02-13 | 袁厚之 | Composite roller used for welded steel tube and cold bending sectional steel |
| CN101704021A (en) * | 2009-11-06 | 2010-05-12 | 湖南湘投金天新材料有限公司 | Molding roller of thin-wall titanium welding pipe |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658270A (en) * | 2013-12-04 | 2014-03-26 | 中国矿业大学(北京) | Layering roller wheel |
| CN106062454A (en) * | 2014-03-18 | 2016-10-26 | 株式会社神户制钢所 | Welded titanium pipe and welded titanium pipe manufacturing method |
| JP2017042788A (en) * | 2015-08-26 | 2017-03-02 | 新日鐵住金株式会社 | Roll for metal plate rolling |
| JP2017077583A (en) * | 2015-10-22 | 2017-04-27 | 新日鐵住金株式会社 | Roll for rolling metal plate |
| JP2017136625A (en) * | 2016-02-04 | 2017-08-10 | 新日鐵住金株式会社 | Metal plate rolling roll |
| CN108554755A (en) * | 2018-06-16 | 2018-09-21 | 宁波明望汽车饰件有限公司 | A kind of auto parts machinery surface intensified technique |
| CN112588992A (en) * | 2020-12-11 | 2021-04-02 | 合肥中辰轻工机械有限公司 | Seaming wheel applied to pop can and production process thereof |
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Application publication date: 20110216 |