介绍了热装式刀具夹头的工作原理、 加热— 冷却装置、主要特点及其应用。
The working principle, heating up device, major characteristics and application are introduced in the paper.
简要的介绍了安全攻丝夹头的结构特点、工作原理、安全可靠性等问题，并说明在生产实践中的应用效果。
The structure characteristic, working principle, security of safety threading cullet was introduced briefly, and explain the effect in producting practice.
介绍了快换丝锥夹头的结构、工作原理和主要零件的设计计算。
The structure and working principle of a screw tap holder is introduced, and the design calculation of its main parts is presented.
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