为提高压延帘布质量，避免胶料与帘布因压延质量造成浪费，今年l月荣成荣达轮胎制品有限公司委托北京市科地亚金创电子技术研究所对四辊压延机进行改造，4月下旬工程结束。改造后的压延机具有以下优良功能：1．下胶片与帘布厚度测量系用计算机，并自动控制、调节。2．用计算机 In order to improve the quality of calendered cord and avoid wastage of rubber and cord due to calendering quality, Rongcheng Rongda Tire Co., Ltd. entrusted Beijing Kedian Jinchuang Electronic Technology Research Institute to rebuild the four-roller calender in the end of April The project is over. After the transformation of the calendar has the following excellent features: 1. Under the film and the curtain thickness measurement system with a computer, and automatic control, regulation. 2. Using computer