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GB 1800～1804—79《公差与配合》、GB 1957—81《光滑极限量规》和 GB 3177—82《光滑工件尺寸的检验》是我国加入国际标准化组织(ISO)后,首批采用 ISO 标准的重要基础互换性标准。近20年来公差与配合系列标准的贯彻实施,对振兴我国工业,提高生产技术和产品质量,促进国际合作与对外经济技术交流,起到了积极的推动作用。标准制、修订情况:1997年颁布了两项修订标准:GB/T 1800.1—1997《极限与配合基础第1部分:词汇》(代替 GB 1800—79术语定义部分);GB/T 3177—1997《光滑工件尺寸的检验》(代替 GB 3177—82)。GB/T 1800.2《极限与配合基础第2部份:公差、偏差和配合的基本规定》和 GB/T 1800.3《极限与配合基础第3部分:标准公差和基本偏差数值表》(代替 GB 1800—79)修订完成,现由国家质量技术监督局批准发布。标准等效采用 ISO 286-1。GB 1801～1803—79的修订参照 ISO 1829,并将 GB 1801和 GB 1802合并为一个标准《极限与配合公差带和配
GB 1800-1804-79 “tolerance and cooperation”, GB 1957-81 “smooth limit gauge” and GB 3177-82 “smooth workpiece size test” is China’s accession to the International Organization for Standardization (ISO), the first use of ISO standards Important basic interchangeability criteria. The implementation of the series of standards for tolerance and cooperation in the past 20 years has played a positive role in promoting the development of our country’s industries, improving the production technology and product quality, and promoting international cooperation and foreign economic and technological exchanges. Standard system, the revision of the situation: In 1997 promulgated two revised standards: GB / T 1800.1-1997 “Limits and cooperation foundation Part 1: Vocabulary” (instead of the definition of GB 1800-79 Terms); GB / T 3177-1997 “ Smooth workpiece size test ”(instead of GB 3177-82). GB / T 1800.2 “Limits and Fitting Basis Part 2: Tolerance, deviation and coordination of the basic provisions” and GB / T 1800.3 “Limits and Fitting Basis Part 3: Standard tolerances and basic deviation table” (instead of GB 1800- 79) revision completed, now approved by the State Quality and Technical Supervision release. Standard equivalent using ISO 286-1. Revised GB 1801 ~ 1803-79 reference to ISO 1829, and GB 1801 and GB 1802 merged into a standard "tolerance and tolerance with and with