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250×500颚式破碎机高锰钢齿板评比试验交流活动是根据一机部、冶金部1975年3月在衡阳联合召开的矿山机械破碎材料和易磨损零件质量攻关经验交流会纪要的要求进行的,从75年10月到76年8月已初步告一段落。参加这次常熟采石场齿板现场试验交流的13个单位,共轧试了43套齿板,其中交流齿板25套,试验齿板18套,除了新材质和高锰钢加合金的各3套外,其余材质都是高锰钢。通过现场试验比
250 × 500 Jaw crusher high manganese steel tooth plate comparison test exchange activity is based on a machine department, the Ministry of Metallurgy in March 1975 in Hengyang held jointly mine machinery crushing materials and easy wear parts quality experience exchange meeting summary request , From October 75 to August 76 has come to an early conclusion. Participate in the Changshu quarry field test exchange of 13 units, a total of 43 sets of rolling test tooth plate, including AC tooth plate 25 sets, 18 sets of test tooth plate, in addition to the new material and high manganese steel plus alloy 3 sets, the rest of the material is high manganese steel. Pass field test ratio