Based on both the area formula of gear tooth and groove and their respective center multiplying formula, the force and moment expressions of both sides of side-panels could be brought out at first.

• 摘要由推导出的齿端和槽端面积及其圆心矩公式，首先得出轴套（侧板）内外两侧所受的力和力矩关于齿轮基本参数的函数表达式。