以齿轮系统动力学理论为基础，提出了通过斜齿轮螺旋角的择优选取改善系统动态特性的方法。
A method to improve the dynamic characteristics of gear system is proposed through the selection of spiral Angle of helical gear according to gear system dynamics theory.
分析齿轮主要参数，提出用测量跨棒（）和公法线长度计算斜齿圆柱齿轮螺旋角的测绘方法，并推导出螺旋角的计算公式。
In this paper calculating method of lead angle of helical gear by measuring span length of length bar and base tangent length is put forward and lead angle calculating formula is deducel.
利用直齿齿轮泵的困油容积变化公式，求出了斜齿齿轮泵的困油容积变化公式，得到了斜齿齿轮泵不发生困油的螺旋角。
According to the volume oil formula of the straight gear pump, the volume oil formula of the helical gear pump is got and the helix Angle no trapping is found.
详细分析了斜齿齿轮泵的瞬间排量、单齿排量、困油区容积的瞬间变化率及变化量、螺旋角的影响。
Analyze the Helical Gear Pump for the instant displacement, single gear displacement, theinstant change ratio and change value of trapping volume and the influnce of screw angle in detail.
详细分析了斜齿齿轮泵的瞬间排量、单齿排量、困油区容积的瞬间变化率及变化量、螺旋角的影响。
Analyze the Helical Gear Pump for the instant displacement, single gear displacement, theinstant change ratio and change value of trapping volume and the influnce of screw angle in detail.
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