螺栓螺母机 bolt and nut making machine
自动攻螺母机 [机] automatic nut tapping machine
螺母机构 nut body
拧螺母机 nut fastening machine
自动螺母攻丝机 automatic nut tapping machine
螺母攻丝机 nut-tapping machine ; nut tapper ; tapping machine ; nut tapping machine
螺母锻压机 nut former
螺母锻造机 nut facing and forging machine ; nut forging machine
螺母冷锻机 nut cold former
用这种机构代替传统的螺杆螺母机构。可使旋转类家具结构简单，旋转平稳，成本降低。
Because the mechanism replaces a traditional screw rod and screw nut mechanism, the rotary furniture has simple structure, stable rotation and low cost.
通过对一种带有内螺纹的酒瓶盖的结构分析，阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
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