过去,我厂生产6300型柴油机缸套一直采用砂型铸造旧工艺,效率低,质量差,成本高,不符合“鼓足干劲,力争上游,多快好省地建设社会主义”总路线的精神。铸造车间革命职工,不安于现状,决心改革旧工艺,为大力支援农业,作出自己的贡献。经过三个月的努力奋战,制造出三台卧式离心铸造机。现在,用离心铸造生产缸套,已经过一年多的生产考 In the past, the 6300 diesel engine cylinder liner produced by our factory had always used the old process of sand casting. Its efficiency was low, its quality was poor and its cost was high. This did not meet the spirit of “summing up the drive and trying to build a socialist society with more efficiency, more efficiency and more efficiency”. Foundry workshop revolutionary workers, restless in the status quo, determined to reform the old process, to vigorously support agriculture, make its own contribution. After three months of hard work, three horizontal centrifugal casting machines were manufactured. Now, with centrifugal casting production of cylinder liner, it has been more than a year production test