对于“质量”,产品的生产管理者总是希望以最低成本稳定地生产出合格产品,这就要求产品及其零部件加工的废品率和装配的返修率为最低;一次装配合格率、开箱完好率、一次交验或抽查合格率等质量指标为最好,保证交货期,得到最好的经济效益。而用户却希望购到的机床“物美价廉”。 For “quality”, the production manager of a product always hopes to produce a qualified product stably at the lowest cost, which requires that the reject rate of the product and its parts processed and the repair rate of the assembly be the lowest; the first-pass assembly qualification rate, unpacking Good quality, one-time inspection or inspection pass rate is the best quality indicator, guarantee delivery time, get the best economic benefit. However, the machine that the user wants to purchase is “affordable.”