为避免污染工作场地和环境以及实现废物的回收利用,所有经机械加工、热处理前的零件都必须进行清洗,以除去其表面油脂、污物、切削液和金属碎屑。用油淬火的零件在进入回火炉前也必须清洗,除去表面附着的油。为此需要使用清洗液。后者是用单一或多种化学品配置的水溶液。零件的 To avoid contamination of the workplace and environment and recycling, all machined, heat-treated parts must be cleaned to remove surface oils, dirt, cutting fluids and metal debris. Parts hardened with oil must also be cleaned before entering the tempering furnace to remove the oil attached to the surface. This requires the use of cleaning fluid. The latter is the use of single or multiple chemical configuration of the aqueous solution. Parts