研究了不同变形量、钢种、硬化程度、模角和拔制速度对空拔管直径缩小量的影响。

The effects of various amounts of deformation, steel grades, degrees of hardenability, die entry angle and drawing speeds on dia. sinking drawing are studied.

youdao

研究了不同变形量、钢种、硬化程度、模角和拔制速度对空拔管直径缩小量的影响。

The effects of various amounts of deformation, steel grades, degrees of hardenability, die entry angle and drawing speeds on dia. sinking drawing are studied.

youdao