This paper solves the positive position solution , the inverse position solution and the passive joints solution of the fixed length 3-PRS parallel mechanism of the machine tool;
推导了该车铣复合加工中心的定杆长并联机构3-PRS的位置逆解、位置正解和被动关节求解算法；
The relation of the step length of cutting tool with mechanical error when machining curved face in the 5 coordination NC machine, and the calculating formulas are deduced.
讨论了在五坐标数控机床上加工曲面时刀具走刀步长和切削带步长与加工误差的关系并推导了计算公式。
The relation of the step length of cutting tool with mechanical error when machining curved face in the 5 coordination NC machine, and the calculating formulas are deduced.
讨论了在五坐标数控机床上加工曲面时刀具走刀步长和切削带步长与加工误差的关系并推导了计算公式。
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