一、前言锻件制造业开始于汽车工业,它是耗能量多的工种。从锻件生产过程的加热和热处理等工序来看,单位制品的能源费用平均占生产额的4.4％,高的达8.2％。因此,节能可以降低成本,从而赋予企业以竞争能力。目前各企业正积极地加强对节能问题的研究。根据锻造行业的这种动向,大阪煤气公 First, the foreword Forgings manufacturing industry began in the automotive industry, it is more energy-intensive types of work. From the forging production process of heating and heat treatment process point of view, the energy costs per unit of product accounted for an average of 4.4% of production, up to 8.2%. Therefore, energy-saving can reduce costs, giving businesses competitive. At present, all enterprises are actively strengthening their research on energy conservation. According to the forging industry in this trend, Osaka Gas Company