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眉厂铸钢车间碾砂工部有112混砂机4台,115碾砂机1台,分別承担铸钢件面砂与背砂及其它芯砂的碾压任务,由于水玻璃砂用量大,貯存性较差,碾子的高峰负荷比较集中,因而比较忙乱,且加添各种原材料是凭经验控制,因此每台碾砂机尽管配有专人掌握加料、卸料及碾压各程序,但仍然存在着定量、定时不准,忙闲不均,型砂质量波动,劳动强度大,粉尘飞扬。若放砂时间配合不
Meishan steel plant grinding department has 112 sand mixer 4, 115 a sand mill, respectively, to undertake the cast steel surface sand and back sand and other core sand rolling task, due to the large amount of sodium silicate sand, Poor storage, the peak load of the roller is more concentrated, and therefore more hectic, and add a variety of raw materials are empirically controlled, so each with a special sand-grinding machine feeding, unloading and rolling procedures, but still exist With quantitative, timing is not allowed, busy and busy, sand quality fluctuations, labor-intensive, dust flying. If the sand time with no