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邢台矿业集团橡塑制品厂生产的煤矿综采设备Ｏ形圈属高压密封圈 (承受约 1 0ＭＰａ的压力 ) ,其规格按断面直径 (1 9,2 4,3 1 ,3 5 ,5 7和 8 6ｍｍ等 )划分。生产中发现 ,如果从开炼机上裁取的毛坯胶片厚度不合适 ,产品会出现气泡和明疤缺陷 ,废品率常常会高达 80 %以上 ,
Xingtai Mining Group Rubber Products Factory production of coal mine fully mechanized mining equipment O-ring is a high-pressure ring (to withstand about 10MPa pressure), the specifications according to section diameter (19,24,31,35,57 and 8 6mm, etc.) divided. Found in the production, if the thickness of the blank film extracted from the open mill is inappropriate, the product will appear bubbles and scar defects, the rate of rejection often up to 80% or more,