绘制出弧齿锥齿轮的大轮齿面，生成整个齿轮的三维立体图。-Draw a large spiral bevel gear tooth surface, produce three-dimensional map the entire gear.

计算齿轮齿面接触强度和齿根弯曲强度安全系数（GB）-Calculate the safety factors of gear tooth contact strength and tooth root bending strength based on GB