CN102513425B - 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
- Publication number
- CN102513425B CN102513425B CN201110455975XA CN201110455975A CN102513425B CN 102513425 B CN102513425 B CN 102513425B CN 201110455975X A CN201110455975X A CN 201110455975XA CN 201110455975 A CN201110455975 A CN 201110455975A CN 102513425 B CN102513425 B CN 102513425B
- Authority
- CN
- China
- Prior art keywords
- pipe
- sand
- tube chamber
- shaped pipe
- bending
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- 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% |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
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)
Publication Number | Publication Date |
---|---|
CN102513425A CN102513425A (zh) | 2012-06-27 |
CN102513425B true CN102513425B (zh) | 2013-11-27 |
Family
ID=46284635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102513425B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103624216B (zh) * | 2013-12-09 | 2016-05-25 | 北方材料科学与工程研究院有限公司 | 活塞内冷油腔盐芯预制件的制造方法 |
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 |
CN113680869B (zh) * | 2021-08-24 | 2023-08-01 | 浙江途拜智能科技有限公司 | 一种高精密度金属管件成型弯管一体机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5456971A (en) * | 1977-10-14 | 1979-05-08 | Nippon Koki Kk | Bending process of lining pipe |
JP2009072804A (ja) * | 2007-09-19 | 2009-04-09 | Fujifilm Corp | 金属製パイプの曲げ加工方法 |
JP5080229B2 (ja) * | 2007-12-13 | 2012-11-21 | 日新製鋼株式会社 | 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 |
-
2011
- 2011-12-31 CN CN201110455975XA patent/CN102513425B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
Non-Patent Citations (2)
Title |
---|
JP昭54-56971A 1979.05.08 |
JP特开2009-142847A 2009.07.02 |
Also Published As
Publication number | Publication date |
---|---|
CN102513425A (zh) | 2012-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100518984C (zh) | 圆管钢构件弧形冷弯成型模具 | |
CN102228922B (zh) | 金属管材内置钢球弯曲成形的方法 | |
CN110814128B (zh) | 一种锅炉蛇形管制造加工方法 | |
CN204724656U (zh) | 弯管机 | |
CN102513425B (zh) | 一种带螺旋升角大口径u形管弯制方法 | |
CN102500662A (zh) | 大型管件整径矫圆方法 | |
CN101704044A (zh) | 矩形薄壁管材跟踪变形弯曲模具 | |
CN102699175A (zh) | 一种大截面变径出水嘴水压成形工艺 | |
CN205463800U (zh) | 一种波纹管液压成型机的调整装置 | |
CN201900159U (zh) | 锅炉膜式壁管屏成排弯曲的加工工装 | |
CN201625700U (zh) | 厚壁弯头无内芯热压成型装置 | |
CN201120431Y (zh) | 圆管钢构件弧形冷弯成型模具 | |
CN209272193U (zh) | 组合弯管专用模具 | |
CN101352919B (zh) | 汽车曲形胶管缩口定型工艺装置 | |
CN105127257A (zh) | 一种头枕杆弯管机 | |
CN201552220U (zh) | 矩形薄壁管材跟踪变形弯曲模具 | |
RU2340422C2 (ru) | Способ окончательной формовки труб большого диаметра из u-образной заготовки и устройство для его осуществления | |
CN202725688U (zh) | 一种升降式钢管矫直机 | |
CN205763157U (zh) | 一种铜管折弯成型结构 | |
CN209365355U (zh) | 一种用于pvdf管的弯管成型装置 | |
CN203155776U (zh) | 一种用于厚壁管材的弯管机自动夹、卸料机构 | |
CN216757753U (zh) | 一种建筑施工弯管装置 | |
CN215614270U (zh) | 一种大弯头快速成型的设备 | |
CN214290165U (zh) | 一种焊接钢管成型机下模背压成型装置 | |
CN211161504U (zh) | 一种弯管成型模具 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: BOHAI SHIP HEAVY INDUSTRY CO LTD. Free format text: FORMER OWNER: BOHAI SHIPYARD GROUP CO., LTD. Effective date: 20140403 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
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. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20181231 |