振动攻丝是一种新型的加工方法。
我国对攻丝方面的研究工作开始于60年代末。
Aspects of our research work on the tapping began in the late 60s.
这是一台获得专利的单柱机，可以用来钻孔或攻丝。
This is a patented single column machine for drilling or for tapping.
经营产品为：磁力钻，攻丝机，空心钻头及钢轨钻头。
Our products include: magnetic drill, threading machine, hollow bit and rail drill.
结果表明：干式攻丝是一种很有前途的绿色制造工艺技术。
The result has indicated that dry tapping is a great future green machining process.
本装置具有结构简单、操作方便、攻丝速度快、适用性广的特点。
Its advantages include simple structure, convenient operation and high threading speed.
本文的研究结论对于改进和完善冲击攻丝的技术和方法具有理论上的指导作用。
The research of this paper can improve and perfect technology and method of impact tapping.
本文的研究结论对于改进和完善冲击攻丝的技术和方法具有理论上的指导作用。
The research of this paper can improve and perfect technology and method of impact tapping.
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