一引言众所周知,利用成套标准组合(或称模架)开制塑料模具,可以大大缩短生产周期。美国DME 公司生产塑料模标准件已有四十几年历史,有模具标准329项,内容包括模具零部件、组合和相关的元件,如模具加热器、冷却件、传感器,甚至加工模具用的刀具、磨具、磨料、抛光工具、试模器,都作为标准件供应市场。1976年,该公司销售额达6200万美元;生 I. INTRODUCTION As we all know, the use of complete sets of standard combinations (or mold) to open plastic mold, you can greatly shorten the production cycle. The DME company in the United States has been manufacturing plastic mold standard parts for more than 40 years and has 329 mold standards that cover mold parts, assemblies and related components such as mold heaters, cooling elements, sensors and even tools for machining molds , Abrasives, abrasives, polishing tools, test molds, are supplied as standard parts market. In 1976, the company achieved sales of 62 million U.S. dollars