一、概述我们车间的任务是承担我厂出产的几种铣床铸铁件的制造。这些铸件的特点是:大部分中、大件都带有导轨面(即导轨运动付);同一件上壁厚差大,有的箱体件(包括床身)既带导轨面,同时一件上又有二、三十个轴孔;有的件为周身都要加工的外露加工表方件 I. Overview The task of our workshop is to undertake the manufacture of several kinds of milling iron castings produced by our factory. The characteristics of these castings are: most of the large pieces with a rail surface (ie, rail movement pay); the same piece of wall thickness difference, and some box pieces (including the bed) with both rail surface, while a There are another two or thirty shaft holes; some parts of the whole body to be processed exposed parts of the table