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由陕西机械学院和西安内燃机配件厂进行的“用柱硼镁石熔制硼铸铁气缸套”试验研究项目已由西安市科学技术委员会主持在1982年11月30日通过了技术鉴定。参加鉴定会的有西安交大、洛阳拖拉机研究所、省市铸造学会代表、上海、石家庄等内燃机配件厂共计16个单位40名代表。与会代表认为:用青海产柱硼镁石代替硼铁合金作为加硼剂能大幅度降低加硼剂弗用,经济效益显著。该厂试生产半年以来,
The project of pilot research on “borosilicate fused boron cast iron cylinder liner made by Shaanxi Mechanical Institute and Xi’an Internal Combustion Engine Parts Factory” was approved by the Xi’an Science and Technology Commission on November 30, 1982 and passed the technical appraisal. Participate in the appraisal will have Xi’an Jiaotong University, Luoyang Tractor Institute, representatives of provincial Foundry Institute, Shanghai, Shijiazhuang and other internal combustion engine parts factory a total of 16 units 40 representatives. Delegates at the meeting held that the substitution of plexiglass in Qinghai for boron addition can greatly reduce the flux of boron addition agent, resulting in significant economic benefits. The trial production of the plant six months,