CN102513425A - 一种带螺旋升角大口径u形管弯制方法 - Google Patents
一种带螺旋升角大口径u形管弯制方法 Download PDFInfo
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- CN102513425A CN102513425A CN201110455975XA CN201110455975A CN102513425A CN 102513425 A CN102513425 A CN 102513425A CN 201110455975X A CN201110455975X A CN 201110455975XA CN 201110455975 A CN201110455975 A CN 201110455975A CN 102513425 A CN102513425 A CN 102513425A
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- Prior art keywords
- pipe
- sand
- bending
- tube chamber
- shaped pipe
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
Description
相对弯曲半径R/r | 0.25 | 0.5 | 1 | 2 | 3 | 5 |
石英砂所占空间百分比 | 30% | 35% | 50% | 60% | 65% | 70% |
钢砂所占空间百分比 | 70% | 65% | 50% | 40% | 35% | 30% |
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CN201110455975XA CN102513425B (zh) | 2011-12-31 | 2011-12-31 | 一种带螺旋升角大口径u形管弯制方法 |
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CN201110455975XA CN102513425B (zh) | 2011-12-31 | 2011-12-31 | 一种带螺旋升角大口径u形管弯制方法 |
Publications (2)
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CN102513425A true CN102513425A (zh) | 2012-06-27 |
CN102513425B CN102513425B (zh) | 2013-11-27 |
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CN201110455975XA Expired - Fee Related CN102513425B (zh) | 2011-12-31 | 2011-12-31 | 一种带螺旋升角大口径u形管弯制方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103624216A (zh) * | 2013-12-09 | 2014-03-12 | 中国兵器工业第五二研究所 | 活塞内冷油腔盐芯预制件的制造方法 |
CN105107996A (zh) * | 2015-09-16 | 2015-12-02 | 浙江利福德机械有限公司 | 托架本体冷压成型工艺 |
CN113680869A (zh) * | 2021-08-24 | 2021-11-23 | 鲍宪豪 | 一种高精密度金属管件成型弯管一体机 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456971A (en) * | 1977-10-14 | 1979-05-08 | Nippon Koki Kk | Bending process of lining pipe |
EP0461644A1 (de) * | 1990-06-15 | 1991-12-18 | Ruppert, Hans-Peter | Verfahren zum Verbiegen verformbarer bzw. verbiegbarer Rohre und Vorrichtung zu seiner Durchführung |
CN2134243Y (zh) * | 1992-09-25 | 1993-05-26 | 中国石油化工总公司兰州炼油化工总厂 | 多层螺旋盘管弯管机 |
US20090071222A1 (en) * | 2007-09-19 | 2009-03-19 | Fujifilm Corporation | Method of bending pipe material |
CN101433927A (zh) * | 2008-11-19 | 2009-05-20 | 南京宝色股份公司 | U形管微半径弯制方法 |
JP2009142847A (ja) * | 2007-12-13 | 2009-07-02 | Nisshin Steel Co Ltd | 鋼管の曲げ加工装置及びそれを用いての鋼管の曲げ加工方法 |
CN102228922A (zh) * | 2011-04-20 | 2011-11-02 | 桂林电子科技大学 | 金属管材内置钢球弯曲成形的方法 |
-
2011
- 2011-12-31 CN CN201110455975XA patent/CN102513425B/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456971A (en) * | 1977-10-14 | 1979-05-08 | Nippon Koki Kk | Bending process of lining pipe |
EP0461644A1 (de) * | 1990-06-15 | 1991-12-18 | Ruppert, Hans-Peter | Verfahren zum Verbiegen verformbarer bzw. verbiegbarer Rohre und Vorrichtung zu seiner Durchführung |
CN2134243Y (zh) * | 1992-09-25 | 1993-05-26 | 中国石油化工总公司兰州炼油化工总厂 | 多层螺旋盘管弯管机 |
US20090071222A1 (en) * | 2007-09-19 | 2009-03-19 | Fujifilm Corporation | Method of bending pipe material |
JP2009142847A (ja) * | 2007-12-13 | 2009-07-02 | Nisshin Steel Co Ltd | 鋼管の曲げ加工装置及びそれを用いての鋼管の曲げ加工方法 |
CN101433927A (zh) * | 2008-11-19 | 2009-05-20 | 南京宝色股份公司 | U形管微半径弯制方法 |
CN102228922A (zh) * | 2011-04-20 | 2011-11-02 | 桂林电子科技大学 | 金属管材内置钢球弯曲成形的方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103624216A (zh) * | 2013-12-09 | 2014-03-12 | 中国兵器工业第五二研究所 | 活塞内冷油腔盐芯预制件的制造方法 |
CN105107996A (zh) * | 2015-09-16 | 2015-12-02 | 浙江利福德机械有限公司 | 托架本体冷压成型工艺 |
CN105107996B (zh) * | 2015-09-16 | 2017-05-17 | 浙江利福德机械有限公司 | 托架本体冷压成型工艺 |
CN113680869A (zh) * | 2021-08-24 | 2021-11-23 | 鲍宪豪 | 一种高精密度金属管件成型弯管一体机 |
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CN102513425B (zh) | 2013-11-27 |
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Owner name: BOHAI SHIP HEAVY INDUSTRY CO LTD. Free format text: FORMER OWNER: BOHAI SHIPYARD GROUP CO., LTD. Effective date: 20140403 |
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Effective date of registration: 20140403 Address after: 125004 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee after: Bohai Ship Heavy Industry Co., Ltd. Address before: 125004 Huludao City, Liaoning province Longgang District Jinhu Road No. 132 Patentee before: Bohai Shipyard Group Co., Ltd. |
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