The minimum depth of conical die and the relationship between coning of die cavity and workpiece length are determined;
确定了锥形模膛的最小长度、模腔锥角与毛坯长度的关系；
Discussed thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratios of length to diameter.
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
结果表明，不同角度圆锥口模挤出过程中，熔体在收敛流道受到拉伸流变，导致强烈的入口弹性效应，表现出熔体在不同角度圆锥口模挤出时有不同的挤出胀大比。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
结果表明，圆锥短口模挤出过程中，熔体在收敛流道受到拉伸流变，导致强烈的入口弹性效应，表现为熔体在短口模挤出时显著的挤出胀大。
This paper discusses thoroughly the extrusion swell phenomenon and mechanism of polymer melts in conical die with different entrance angles and different ratio of length to diameter.
深入讨论了聚合物熔体在不同长径比、不同角度圆锥口模的挤出胀大现象及机理。
The paper introduces the resistance forming, double sleeve forming and die forming for the conical parts.
主要介绍了圆锥筒形零件的阻力成形法、辅助套筒成形法和模具成形法。
Piercing technology for oblique holes on conical surface was analyzed and a new piercing die structure for the conical part was introduced.
分析了锥面斜孔冲裁的工艺，介绍了一种新型的锥形件冲孔模结构。
The paper introduced the drag foming, double-sleeve foming and die forming for form conical barrel-type parts.
介绍了圆锥筒形零件的阻力成形法、辅助套筒成形法和模具成形法。
The copper-made die block in which a conical welding opening is bored is arranged on the middle part of the upper die.
上模为中部开有锥形焊口的铜制模块，焊口位置与底模熔池对应。
The results of calculation prove that the flow of coating in conical shaped die can create pressure gradient of coating in die.
通过计算证明，涂料在圆锥形模具中流动时，能够在模具内产生一定的压力梯度。
The results of calculation prove that the flow of coating in conical shaped die can create pressure gradient of coating in die.
通过计算证明，涂料在圆锥形模具中流动时，能够在模具内产生一定的压力梯度。
应用推荐