CN101745577A - Spinning processing method of carbon steel lining stainless steel composite pipe - Google Patents
Spinning processing method of carbon steel lining stainless steel composite pipe Download PDFInfo
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- CN101745577A CN101745577A CN200810240317A CN200810240317A CN101745577A CN 101745577 A CN101745577 A CN 101745577A CN 200810240317 A CN200810240317 A CN 200810240317A CN 200810240317 A CN200810240317 A CN 200810240317A CN 101745577 A CN101745577 A CN 101745577A
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Abstract
The invention discloses a spinning processing method of a carbon steel lining stainless steel composite tube, which belongs to the technical field of the preparation of composite tube materials. The spinning processing method comprises the following steps: preparing a spinning mould, selecting a stainless steel tube billet and smearing a lubricating agent on the mould and the inner wall of the tube billet; thinning the tube wall by adopting a spinning wheel for spinning; selecting a carbon steel tube billet; sleeving the tube billet material at the tail end of the lining stainless steel tube; thinning the tube wall by adopting the spinning wheel for spinning; and burnishing and polishing the composite tube by adopting sand paper, demoulding, cutting the head and the tail and obtaining the composite tube. The carbon steel lining stainless steel composite tube has corrosion resistant performance and simultaneously reduces the consumption of stainless steel and the cost of the tube; the bonding strength of the composite tube is larger than 2MPa; materials of an inner layer and an outer layer of the composite tube are similar; the composite tube cannot crack and has good mechanical property; and the invention has simple preparation process, changes the diameter of the mould on the same spinning equipment, can be used for preparing carbon steel lining stainless steel composite tubes with series specifications and is suitable for batch production.
Description
Technical field
The invention belongs to the composite pipe preparing technical field, particularly a kind of carbon steel inner liner stainless steel multiple tube spinning processing method.
Background technology
Stainless steel tube is not only used outside the water and heat provision owing to have superperformances such as acid and alkali-resistance, intergranular corrosion resistance, also is applied to the demanding industries of corrosion protection such as chemical industry, medicine, oil, food, plating.Because the needs of steel pipe resistance to compression, impact resistance, pipe thickness is greater than 2mm, and the contact corrosion medium only is inner wall layer, in order to reduce the stainless steel consumption, reduces the price of tubing, adopts spinning forming process, has prepared carbon steel inner liner stainless steel multiple tube.
Summary of the invention
The purpose of this invention is to provide a kind of carbon steel inner liner stainless steel multiple tube spinning processing method.
A kind of carbon steel inner liner stainless steel multiple tube spinning processing method is characterized in that this method step is as follows,
(1) spinning mould preparation: according to the pipe internal diameter requirement, the mould of design same diameter;
(2) spinning of inner liner stainless steel pipe: select the stainless steel pipe, smear lubricant at mould and pipe inwall, adopt spinning roller spinning, set passage and every time reduction, by every time reduction is 18～22% to carry out spinning, feed rate is 1.0～1.2mm/r, and last passage feed rate is 0.7～0.8mm/r, and tube wall is thinned to 0.5～1mm;
(3) spinning of outer carbon steel pipe: select the carbon steel pipe, the pipe diameter is greater than stainless steel tube external diameter 0.01～0.02mm, the pipe material is placed in inner liner stainless steel pipe end, adopt spinning roller spinning, set passage and every time reduction, the passage reduction is 28～32%, and feed rate is 2.4～2.5mm/r, and tube wall is thinned to 1.5～2mm;
(4) carbon steel inner liner stainless steel multiple tube is put in order: after carbon steel inner liner stainless steel multiple tube was polished with sand papering, the demoulding cut head, tail, obtains composite pipe.
Described lubricant is the mixture of molybdenum bisuphide and machine oil, and molybdenum bisuphide and machine oil weight ratio are 5: 1.
Beneficial effect of the present invention is:
(1) the carbon steel inner liner stainless steel multiple tube prepared of the present invention possesses decay resistance, has reduced stainless consumption simultaneously, has reduced the tubing cost;
(2) the carbon steel inner liner stainless steel multiple tube bond strength prepared of the present invention is greater than 2MPa, and the ectonexine material is close, can not produce cracking;
(3) the inside and outside two-layer metal material that is of the carbon steel inner liner stainless steel multiple tube prepared of the present invention, resistance to compression, impact resistance are strong, and tensile strength is big, the percentage elongation height, the elastic mould value height, thermal coefficient of expansion is little, has the favorable mechanical performance;
(4) preparation process of the present invention is simple, and is easy to operate, and on same spinning machine, the conversion mould diameter can prepare the carbon steel inner liner stainless steel multiple tube of series specification, is suitable for producing in batches.
Description of drawings
Fig. 1 is a carbon steel inner liner stainless steel multiple tube schematic cross-section;
Fig. 2 is the spinning process schematic diagram;
Number in the figure: 1-stainless steel inner lining; The 2-carbon steel pipe; The 3-mould; The 4-spinning roller.
The specific embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing:
Preparation
In280mm * 2500mm * 2mm carbon steel inner liner stainless steel multiple tube, Fig. 1 are carbon steel inner liner stainless steel multiple tube schematic cross-sections, adopt spinning processing method, and Fig. 2 is the spinning process schematic diagram, and this method step is as follows,
(1) spinning mould preparation: preparation
In280mm * 3200mm mould 3;
(2) spinning of inner liner stainless steel pipe 1: select the stainless steel pipe that forges after annealing for use, be processed into
In280
+ 0.2Mm * 300mm * 5mm, (lubricant is the mixture of molybdenum bisuphide and machine oil to smear lubricant at mould and pipe inwall, molybdenum bisuphide and machine oil weight ratio are 5: 1), adopt spinning roller 4 spinning, set passage and every time reduction, multi-pass dextrorotation, the passage reduction is 18～22%, feed rate is 1.2mm/r, last passage feed rate is reduced to 0.8mm/r, help the hole enlargement demoulding, tube wall is thinned to 0.52mm, and (the wall thickness change situation is: 5 → 4 → 3.2 → 2.56 → 2 → 1.6 → 1.28 → 1 → 0.8 → 0.64 → 0.52);
(3) spinning of outer carbon steel pipe 2: preparation
In280.5
+ 0.2Mm * 300mm * 20mm carbon steel pipe, the pipe diameter is greater than stainless steel tube external diameter 0.01～0.02mm, be convenient to frock, the pipe material is placed in inner liner stainless steel pipe end, adopt spinning roller 4 spinning, set passage and every time reduction, the passage reduction is 28～32%, and feed rate is 2.5mm/r, and big feed rate produces undergauge, on stainless steel tube, tube wall is thinned to 1.65mm, and (the wall thickness change situation is: 20 → 14 → 10 → 7 → 4.9 → 3.4 → 2.38 → 1.65) with the carbon steel pipe lock ring;
(4) carbon steel inner liner stainless steel multiple tube arrangement: 0.17mm is polished with sand paper in the multiple tube surface, and the demoulding cuts head, tail, obtains
In280mm * 2500mm * 2mm carbon steel inner liner stainless steel multiple tube.
Claims (2)
1. a carbon steel inner liner stainless steel multiple tube spinning processing method is characterized in that this method step is as follows,
(1) spinning mould preparation: according to the pipe internal diameter requirement, the mould of design same diameter;
(2) spinning of inner liner stainless steel pipe: select the stainless steel pipe, smear lubricant at mould and pipe inwall, adopt spinning roller spinning, set passage and every time reduction, by every time reduction is 18～22% to carry out spinning, feed rate is 1.0～1.2mm/r, and last passage feed rate is 0.7～0.8mm/r, and tube wall is thinned to 0.5～1mm;
(3) spinning of outer carbon steel pipe: select the carbon steel pipe, the pipe diameter is greater than stainless steel tube external diameter 0.01～0.02mm, the pipe material is placed in inner liner stainless steel pipe end, adopt spinning roller spinning, set passage and every time reduction, the passage reduction is 28～32%, and feed rate is 2.4～2.5mm/r, and tube wall is thinned to 1.5～2mm;
(4) carbon steel inner liner stainless steel multiple tube is put in order: after carbon steel inner liner stainless steel multiple tube was polished with sand papering, the demoulding cut head, tail, obtains composite pipe.
2. a kind of carbon steel inner liner stainless steel multiple tube spinning processing method according to claim 1 is characterized in that described lubricant is the mixture of molybdenum bisuphide and machine oil, and molybdenum bisuphide and machine oil weight ratio are 5: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102403177A CN101745577B (en) | 2008-12-17 | 2008-12-17 | Spinning processing method of carbon steel lining stainless steel composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102403177A CN101745577B (en) | 2008-12-17 | 2008-12-17 | Spinning processing method of carbon steel lining stainless steel composite pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101745577A true CN101745577A (en) | 2010-06-23 |
| CN101745577B CN101745577B (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102403177A Expired - Fee Related CN101745577B (en) | 2008-12-17 | 2008-12-17 | Spinning processing method of carbon steel lining stainless steel composite pipe |
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Cited By (13)
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| CN102424969A (en) * | 2011-11-30 | 2012-04-25 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| CN102950184A (en) * | 2012-11-07 | 2013-03-06 | 长春设备工艺研究所 | Spinning method for molybdenum and molybdenum alloy crucible casings |
| CN103934303A (en) * | 2014-03-20 | 2014-07-23 | 北京科技大学 | Preparation method of high performance copper/ aluminum composite pipe |
| CN104043676A (en) * | 2014-06-18 | 2014-09-17 | 谢光玉 | Preparation method of pure stainless steel/nickel-gold alloy bimetal composite tube |
| CN104138925A (en) * | 2014-06-18 | 2014-11-12 | 谢光玉 | Method for preparing copper/phosphorus double-metal capillary tube |
| CN105921957A (en) * | 2016-07-13 | 2016-09-07 | 无锡派乐科技有限公司 | Machining method for lining stainless steel composite seamless pipe fitting |
| CN106670258A (en) * | 2016-12-16 | 2017-05-17 | 江苏理工学院 | Plasticity machining method for metal composite pipe |
| CN106799422A (en) * | 2016-12-30 | 2017-06-06 | 北京有色金属研究总院 | A kind of composite bimetal pipe material spinning preparation method |
| CN108311577A (en) * | 2018-01-12 | 2018-07-24 | 太原理工大学 | A kind of magnalium two-layer compound cylindrical member and its stepped spinning moulding process |
| CN109848276A (en) * | 2018-12-12 | 2019-06-07 | 江苏杰润管业科技有限公司 | Inner liner bimetal composite spinning processing device |
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| JP2542111B2 (en) * | 1990-07-31 | 1996-10-09 | 日産自動車株式会社 | Spinning method |
| CN2163284Y (en) * | 1993-04-16 | 1994-04-27 | 易思竞 | Compounded metal pipe |
| CN2240092Y (en) * | 1995-05-17 | 1996-11-13 | 府正义 | Stainless steel composite steel pipe |
| JP2957176B1 (en) * | 1998-09-24 | 1999-10-04 | 株式会社三五 | Manufacturing method of double structure container |
| CN2371413Y (en) * | 1999-04-15 | 2000-03-29 | 宝鸡有色金属加工厂 | Laminated metal composite tube |
| JP3499233B2 (en) * | 2002-03-22 | 2004-02-23 | 株式会社遠藤製作所 | Metal cylindrical body, method of manufacturing the same, and manufacturing apparatus |
| CN2596150Y (en) * | 2003-01-20 | 2003-12-31 | 孔祥伟 | Carbon steel and stainless steel composite pipe |
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- 2008-12-17 CN CN2008102403177A patent/CN101745577B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102424969A (en) * | 2011-11-30 | 2012-04-25 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| CN102424969B (en) * | 2011-11-30 | 2013-06-26 | 中联重科股份有限公司 | Equipment and method for manufacturing inner liner of thin-wall pipe fitting |
| CN102950184A (en) * | 2012-11-07 | 2013-03-06 | 长春设备工艺研究所 | Spinning method for molybdenum and molybdenum alloy crucible casings |
| CN103934303A (en) * | 2014-03-20 | 2014-07-23 | 北京科技大学 | Preparation method of high performance copper/ aluminum composite pipe |
| CN103934303B (en) * | 2014-03-20 | 2016-04-20 | 北京科技大学 | A kind of preparation method of high-performance copper/aluminium composite pipe |
| CN104043676A (en) * | 2014-06-18 | 2014-09-17 | 谢光玉 | Preparation method of pure stainless steel/nickel-gold alloy bimetal composite tube |
| CN104138925A (en) * | 2014-06-18 | 2014-11-12 | 谢光玉 | Method for preparing copper/phosphorus double-metal capillary tube |
| CN105921957A (en) * | 2016-07-13 | 2016-09-07 | 无锡派乐科技有限公司 | Machining method for lining stainless steel composite seamless pipe fitting |
| CN106670258A (en) * | 2016-12-16 | 2017-05-17 | 江苏理工学院 | Plasticity machining method for metal composite pipe |
| CN106799422B (en) * | 2016-12-30 | 2018-06-15 | 北京有色金属研究总院 | A kind of composite bimetal pipe material spinning preparation method |
| CN106799422A (en) * | 2016-12-30 | 2017-06-06 | 北京有色金属研究总院 | A kind of composite bimetal pipe material spinning preparation method |
| CN108311577A (en) * | 2018-01-12 | 2018-07-24 | 太原理工大学 | A kind of magnalium two-layer compound cylindrical member and its stepped spinning moulding process |
| CN108311577B (en) * | 2018-01-12 | 2019-09-13 | 太原理工大学 | A kind of stepped spinning moulding process of magnalium two-layer compound cylindrical member |
| CN109848276A (en) * | 2018-12-12 | 2019-06-07 | 江苏杰润管业科技有限公司 | Inner liner bimetal composite spinning processing device |
| CN109848276B (en) * | 2018-12-12 | 2020-08-28 | 江苏杰润管业科技有限公司 | Spinning processing device for lining bimetal composite pipe |
| CN110200466A (en) * | 2019-05-27 | 2019-09-06 | 薛羽 | Flexible paper suction pipe and its manufacture craft |
| WO2020258248A1 (en) * | 2019-05-27 | 2020-12-30 | 薛羽 | Telescopic paper straw and manufacturing process thereof |
| CN110434177A (en) * | 2019-07-17 | 2019-11-12 | 浙江美亚特精密机械有限公司 | A kind of processing technology thickened for hollow pipe tube reducing |
| CN110813665A (en) * | 2019-11-26 | 2020-02-21 | 容咏姿 | Anaerobic adhesive applicator for pipeline construction |
| CN110813665B (en) * | 2019-11-26 | 2021-06-22 | 张存存 | Anaerobic adhesive applicator for pipeline construction |
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| CN101745577B (en) | 2012-06-20 |
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Effective date of registration: 20190402 Address after: 101407 No. 11 Xingke East Street, Yanqi Economic Development Zone, Huairou District, Beijing Patentee after: Research Institute of engineering and Technology Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: General Research Institute for Nonferrous Metals |
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Granted publication date: 20120620 Termination date: 20201217 |