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
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。
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
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
Thread tangential rolling device with double roller 双轮切向滚压螺纹装置