It is pointed out that the roller dies is more suitable for drawing alloyed steel rod than for drawing wire and thread and also proposed a new technology of series placing the roller dies and the conventional drawing dies .

指出滚模拔制合金钢棒线材比滚模 拔丝更能发挥出它的优越性，并提出了 滚模和固定模串联组合的新工艺。

The coupling function analysis of the thread - locking ring of rock roller bit

牙轮钻头 螺纹锁紧环连接性能影响分析

Research on the Formation of Dimensional Chain for Thread Hob of Double - Roller Machine Rolling Thread by Axial Feed

对双 滚柱机床 螺纹滚头轴向进给滚压螺纹时形成尺寸链的研究

Thread tangential rolling device with double roller

双轮切向 滚压 螺纹装置

Linen reels thread to hit rubber roller to stick the hemp

亚麻纺纱中橡胶 罗 拉粘麻的 攻关实践