1.前言在国民经济总产值中,用于设备保养和维修的费用一般占5～6%,而在钢铁工业部门中,拥有大量的设备,保养维修费用在产值中的比例高达10%。在企业支出中,这项费用仅次于原材料费和工时费。但是,大多数公司对现有设备的维护,却采用予防维护的方式。对设备维护的状况进行调查,我们认为存在许多 1. Introduction In the gross national product, the cost for equipment maintenance and repair generally accounts for 5 to 6%. In the steel industry, where there is a large amount of equipment, maintenance and repair costs account for as much as 10% of the output value. In corporate expenses, this fee is second only to raw materials and working hours. However, most companies maintain their existing equipment in a preventive maintenance mode. We investigate the status of equipment maintenance and we think there are many