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1 主题内容与适用范围本标准适用于测长机的产品质量分等。本标准对测长机产品的质量等级、抽样原则和试验方法等有关方面作了规定。2 引用标准GB 3717 测长机GB 2829周期检查计数抽样程序及抽样表ZB Y320 仪器仪表可靠性验证试验及测定试验(指数分布)导则3 产品的质量等级3.1 合格品3.1.1 仪器应全面达到GB3717的要求。3.1.2仪器测量轴的寿命指标:
1 Thematic content and scope of application This standard applies to measuring machine product quality classification. This standard on the length measuring machine product quality levels, sampling principles and test methods and other aspects of the provisions. 2 reference standard GB 3717 length measuring machine GB 2829 cycle check count sampling procedures and sampling table ZB Y320 instrumentation reliability verification test and determination of test (index distribution) Guide 3 product quality levels 3.1 Qualified 3.1.1 The instrument should be fully achieved GB3717 requirements. 3.1.2 instrument measurement axis life index: