Dimensions and parameters are calculated for given shafts, gears and screw threads, and then sketches are completed. Then technical requirements are compiled and detail drawings are finally finished.

• 根据给定的轴、齿轮、螺纹进行测绘，正确地使用测绘工具，计算出有关尺寸，如螺距、齿轮的有关参数等，画出零件草图，编写技术要求，绘制正规零件图;