论文部分内容阅读
锻件的留量和公差。 为了使每一种零件锻制的更正确与更经济,必须根据附有已制成零件尺寸的图纸,制出锻件的图纸或尺寸。锻件(荒尺寸校比已制成零件的尺寸要大,共所大出来的尺寸就是在机机加工时要切削下来的金属层厚度。上述要求的形成,是为了使所制成的零件的工作表面能够适
Forgings retention and tolerances. For more correct and economical forging of each part, the drawing or size of the forgings must be made according to the drawing with the dimensions of the finished part. Forgings (shortage of school size has been made of the size of the parts to be larger than the size of the total out of the machine to be machined when the thickness of the metal layer to be cut down The formation of these requirements is to make the work of the parts made The surface can be suitable