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根据技监国标发(1989)第428号文,由交通部标准计量委员会组织制定,成都汽车保修机械厂等单位负责起草的《气缸珩磨机》,已于1989年12月经国家技术监督局正式批准为强制性国家标准,自1990年7日1日起实施。下面将标准的主要内容及有关问题作一个介绍。一、标准的主要内容与适用范围本标准规定了气缸珩磨机的结构型式、技术要求、试验方法、检验规则,以及标志、包装、运输与贮存等内容。它适用于汽车、拖拉机和其他内燃机修理用,珩孔直径不大于160mm 的气缸珩磨机的设计,制造与验收。二、标准有关内容说明
According to TCZ (1989) No. 428, organized by the Ministry of Transport Standards and Metrology Committee, the “Cylinder Honing Machine” drafted by the Chengdu Automobile Warranty Machinery Plant and other units was formally approved by the State Bureau of Technical Supervision in December 1989. As a mandatory national standard, it will be implemented as of January 1, 1990. The following describes the main contents of the standard and related issues. First, the main content of the standard and scope of application This standard specifies the structure of the cylinder honing machine, technical requirements, test methods, inspection rules, as well as signs, packaging, transportation and storage. It is suitable for the design, manufacture and acceptance of cylinder borers with diameters up to 160 mm for the repair of automobiles, tractors and other internal combustion engines. Second, the standard content description