The utility model discloses a circular arc tooth taper, belonging to a mechanical processing tool.
本实用新型公开了一种圆弧齿型开孔器，是一种机械加工工具。
The transmission CAD system also includes diagonal tooth cylinder gear and straight tooth taper gear transmission CAD system.
本课题开发了直齿圆柱齿轮传动、斜齿圆柱齿轮传动和直齿圆锥齿轮传动CAD系统。
There is no common normal in the conical involute gear and the fixed chordal tooth thickness can not be measured accurately because of the coexistence of helix angle and taper.
渐开线锥形齿轮由于同时存在锥度和螺旋角，使得其固定弦齿厚无法精确测量，也没有公法线。
Conclusion: There is no effect on the whole compressive strength and resistance to cyclic fatigue of tooth root after prepared within 0.08 taper.
结论：根管预备后锥度在0.08以内对牙根的整体抗压性能和抗疲劳性能无明显影响。
Conclusion: There is no effect on the whole compressive strength and resistance to cyclic fatigue of tooth root after prepared within 0.08 taper.
结论：根管预备后锥度在0.08以内对牙根的整体抗压性能和抗疲劳性能无明显影响。
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