摘要
从实际应用的角度出发,阐述了线性尺寸未注公差各标准的演变和主要特点,并提出了在机械加工应用中具有简明、省时、质优等特点。
The essay described evolution and main characteristics of liner dimension＇s unmarked tolerance grade criterion via practical application and proposed features of concision, time - saving and superiority in mechanical processing.
关键词
线性尺寸
未注公差
公差标准
机械加工
Liner Dimension
Unmarked Tolerance
Tolerance Criterion
Mechanical Processing
