| 套管车丝机锁紧缸杆断裂的原因分析及解决方法 |
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| 引用本文： | 张永.套管车丝机锁紧缸杆断裂的原因分析及解决方法[J].焊管,2003,26(1):49-50. |
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| 作者姓名： | 张永 |
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| 作者单位： | 宝鸡住金石油钢管有限公司 |
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| 摘 要： | 0 概 述我公司从美国 PMC公司引进的套管、接箍两条生产线是 2 0世纪 90年代世界先进的生产线 ,471型 CNC套管车丝机是其中最关键设备。471型 CNC套管车丝机有四组卡盘 ,距离车丝机由近及远依次为 :定位卡盘、机内浮动卡盘、机外浮动卡盘、固定卡盘。全部卡盘由液压驱动。装卡过程为 :管子传递到加工工位→固定卡盘卡紧同时定位卡盘定位卡紧→两浮动卡盘卡紧→定位卡盘松开→管端加工螺纹→三卡盘同时打开。CNC套管车丝机的装卡装置 ,使钢管中心和车丝机主轴中心完全重合 ,克服了由于钢管管径和直线度误差造成的定位误差。这种巧妙的…
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| 修稿时间： | 2002年8月20日 |
Fracture Reason Analysis and Resolving Method of Locking Cylinder Lever of Casing Threading Machine |
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| ZhangYong,Technology Research of Thick Wall Thickness Longitudinal Welded Pipe with Force-Forming,Qin Jianping.Fracture Reason Analysis and Resolving Method of Locking Cylinder Lever of Casing Threading Machine[J].Welded Pipe and Tube,2003,26(1):49-50. |
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| Authors: | ZhangYong Technology Research of Thick Wall Thickness Longitudinal Welded Pipe with Force-Forming Qin Jianping |
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| Abstract: | It is writed in a new technology of roller bending force-forming after forming theory analysis and experienental study and aiming to the character of more difficulty,more stands,heavier equipment and high manufacturing cost of equipment of longitudinal welded pipe with large diameter and thick wall thickness during the production.It is described the principle of forming,production process and equipment features of this technology. |
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| Keywords: | longitudinal welded Pipe thick wall thickness large diameter forming |
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