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- The inwall spiral defect of aluminium alloy pipes during extrusion is a kind of serious defect that obey some laws. 铝合金管材挤压时在其内表面产生的螺旋纹状擦伤,是一种有规律性的严重表面缺陷。
- Inwall defect of aluminium alloy pipes during extrusion is one of the "old, big, difficult" questions. 铝合金管材挤压时的内表面擦伤,是我国铝加工界的“老大难”问题之一。
- The spot inwall defect of aluminium alloy pipes during extrusion is one of the defects that only occur in the process of extrusion without lubrication. 铝合金管材挤压时在其内表面产生的点状擦伤,是无润滑挤压过程特有的一种表面缺陷。
- Through some comparison experiments, the forming course and affecting factors of the pressing graphite defectS of aluminium alloy pipes are studied. 通过对比实验,研究了铝合金管材挤压时内表面出现的石墨压入缺陷的形成过程及影响因素。
- The aluminium pick up of stem in extrusion is one of the causes of inwall defects of the extruded aluminium alloy pipe. 穿孔针粘铝是造成铝合金管材挤压时产生内表面擦伤缺陷的主要原因之一。
- Through some comparison experiments, the forming course and affecting factors of the pressing graphite defectS of aluminium alloy pipes are studied. Some methods of avoiding the defects are presented. 通过对比实验,研究了铝合金管材挤压时内表面出现的石墨压入缺陷的形成过程及影响因素。提出了预防此缺陷的措施。
- Abstract: The aluminium pick up of stem in extrusion is one of the causes of inwall defects of the extruded aluminium alloy pipe. 摘 要: 穿孔针粘铝是造成铝合金管材挤压时产生内表面擦伤缺陷的主要原因之一。
- It shows that the twisting angle of aluminium alloy pipe is little, while the twisting problem of plastic pipe is serious. 对比分析表明:铝合金测斜管导向槽的扭转较小,而塑料测斜管的扭转问题较为严重;
- aluminium and aluminium alloy pipes 铝及铝合金管材
- aluminium and aluminium alloy pipe 铝及铝合金管
- I hardly ever know that aluminium alloy could be as strong as steel. 我几乎从来不知道铝合金竟会和钢强度一样大。
- Basis for calculation of aluminium alloy pipe flanges with full face gasket 宽敞面法兰垫铝合金管凸缘计算标准
- Study of Pressing Graphite Inwall Defect of Aluminium Alloy Pipes during Extrusion 铝合金管挤压时内表面石墨压入缺陷的研究
- Petroleum and natural gas industries - Aluminium alloy drill pipe. 石油天然气工业-铝合金钻杆。
- STUDY ON RADIOGRAPHIC TESTING TECHNOLOGY OF WELDING SEAMS IN ALUMINIUM ALLOY PIPE AND THE DEFECT EVALUATION 铝合金管道焊缝射线检验工艺研究及缺陷评定
- aluminium alloy pipes 铝及铝合金管材
- The large aluminium alloy casting for military usage. 军用大型铝合金铸件。
- Aluminium alloy has low specific electrical resistance. 铝合金的电阻很低。
- Rear fuselage of aluminium alloy with composite fairings. 铝合金后机身带复合材料整流罩。
- Aluminium alloy body and wheels with brass bearings. 主体和轮子为铝合金制造,黄铜轴承。