1746-A4產(chǎn)品特點
合力:F∑=Fa+Ff+Fo
T2b=1.25/η
(F∑r+Jα)(Nm)(式一)
式中:η?齒條的效率
r?齒輪半徑m
J?齒輪的轉(zhuǎn)動慣量kgm2
α?齒輪的角加速度rad/s2
注:如前端有軸承,理論上軸承內(nèi)環(huán)的轉(zhuǎn)動慣量也要計算在內(nèi).但影響極小,在此忽略不計.
2.額定力矩T2n的計算:
F∑=Ft+Ff+Fo
式中:Ft?切削力(N)
T2n=1.25/ηF∑r(Nm)(式二)
1746-A4
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1746-A4
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