Standard No.:	JB/T 9179.2-2013
English Name:	Machining allowances and tolerances of open die forgings on hydraulic press - Part 2: Round shaft，square shaft and rectangular cross-section
Chinese Name:	液压机上钢质自由锻件机械加工余量与公差 第2部分：圆轴、方轴和矩形截面类
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	MIIT
Issued on:	2013-12-31
Implemented on:	2014-7-1
Status:	valid
Superseding:	JB/T 9179.2-1999 Machining allowance and tolerancd of open die forgings on hydraulic press - Round shaft，square shaft and rectangular cross-section
Language:	English
File Format:	PDF
Word Count:	0 words
Price(USD):	144.00

本部分规定了在液压机上自由锻圆轴、方轴和矩形截面类钢质自由锻件的机械加工余量与公差。
本部分适用于长度大于等于直径、方截面边长和矩形截面长边的圆轴、方轴和矩形截面类钢质自由锻件。
对于对称多边形轴类钢质自由锻件的机械加工余量与公差可按本部分规定参照执行。