各冶金企业的机修总厂,除承制机械备件外,还承担绝大部分修复件和少量的非标准设备制造任务。其生产特点是:品种多,但稳定少变;生产批量不大;通用机床占主要地位,但利用率低;车间内采用机群式布置,零件往返运输量大;零件按批加工,各道工序之间等待加工的现象严重,造成大量半成品堆积。基本状态是一人、一 The mechanical repair plant of each metallurgical enterprise, in addition to the mechanical spare parts, also assumes the majority of repair parts and a small number of non-standard equipment manufacturing tasks. Its production features are: many varieties, but less stable; production volume is not big; general machine tools occupy a major position, but the utilization rate is low; the workshop uses a cluster type arrangement, the part of the large amount of transport from and to; parts by batch processing, various processes The wait for processing between the serious phenomenon, resulting in a large number of semi-finished products. The basic state is one person, one