CYJ_3—1215型(简称Ⅲ型)抽油机是延安石油机械厂的主要产品之一,年计划产量为240台,属成批生产类型。过去,该厂在生产中,不论零件贵贱、大小,一律以批量为20台来组织投入生产,且加工顺序是按照先到先加工顺序任意加工。这种“一刀切”的办法,带来了以下几个问题:一是在制品占用量大,特别是一些价格较高的零件批量大,占用了较多的生产资金;二是分不清主次,抓不住管理重点,生产时经常发生缺少零件或等待加工的现象,使生产环节脱节,影响生产进度;三是设备利用率低,该厂现有专用设备较少,自动化程度低,而且大多通用设备比较陈旧,精度下降,致使原 The CYJ_3-1215 (abbreviated as III) pumping unit is one of the main products of the Yanan Petroleum Machinery Plant. The annual planned output is 240 units, which is a type of batch production. In the past, in the production of the plant, regardless of the size and size of the parts, 20 batches were put into production. The processing sequence was randomly processed according to the first-come first-served processing sequence. This “one size fits all” approach has brought about the following problems: First, there is a large amount of products in use, especially some high-priced parts are bulky and occupy more production funds; second, it is impossible to distinguish between major and minor. Can not grasp the focus of management, production often occurs when the lack of parts or waiting for processing, the production process out of touch, affecting the production schedule; Third, equipment utilization is low, the plant has fewer special equipment, low degree of automation, and most General-purpose equipment is obsolete and its accuracy deteriorates.