仿真结果表明：适当选取下平台铰点支座分度圆半径能更充分地利用系统的动力源，提高工程的经济性。
The result of simulation indicates that, by determining pitch radius appropriately, the system driver can be used more effectively and the cost of project can be saved.
蜗轮蜗杆的分度圆齿厚在大部分机械手册中都给出了计算公式，但在其它任意半径处的齿厚计算很少有资料涉及。
Formulas are given in many mechanical manuals to calculate the tooth thickness at only the reference circle of worm and worm wheel.
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