三爪自定心卡盘盘丝平衡计算及分析

The calculation and analysis for scroll balance of three jaw self centering chuck

本文研究了三爪自定心卡盘盘丝平面螺纹的质径积与平面螺纹的起止点的相位之间的关系，找到了使盘丝质径积获得极小值的一般规律，以及该极小值的大小和相位。

This paper studied the relationship between the mass radius product of scroll plane threads of three jaw self centering chuck and the phase position of starting ending points of the plane thread.It found a general rule of making the mass radius product of the scroll to obtain a minimum value and also to obtain the magnitude and phase position of that minimum value.Thus provided a basis for designing the scroll reasonably.