使用时，将左旋丝锥放入钻好的断骨的钻孔中，左旋转操作即可，铰制出左旋内螺纹。
When used, the left-hand tap is put into a drill hole of a drilled broken bone, and then operated by a left hand to make left-hand internal threads.
探讨了在铰制孔用螺栓设计中，模糊变量与随机变量同时存在时，抗剪强度与挤压强度的模糊可靠性设计方法。
In the design of articulation hole bolt, the blur variable and random variable existing at the same time, the blur reliability design method of shear strength and extruding strength are approached.
本实用新型公开的一种斜楔制件制孔专用旋转工装支架，解决了小型斜楔制件的斜加工面上不易钻铰孔的问题。
The utility model discloses a dedicated rotating tooling bracket for wedge part bore drilling and solves the problem that the slant finished plane of the small wedge part is hard to drill a reaming.
本实用新型公开的一种斜楔制件制孔专用旋转工装支架，解决了小型斜楔制件的斜加工面上不易钻铰孔的问题。
The utility model discloses a dedicated rotating tooling bracket for wedge part bore drilling and solves the problem that the slant finished plane of the small wedge part is hard to drill a reaming.
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