Standard No.:	GB/T 24740-2009
English Name:	Technical product documentation—Symbol of mechanical manufacture orientation and clamping
Chinese Name:	技术产品文件 机械加工定位、夹紧符号表示法
Chinese Classification:	J04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	01.100.01 01.100.01    Technical drawings in general 01.100.01
Issued by:	AQSIQ; SAC
Issued on:	2009-11-30
Implemented on:	2010-9-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	10000 words
Price(USD):	300.00
Delivery:	via email in 1~3 business day

本标准规定了技术产品文件中机械加工定位支承符号(简称定位符号)、辅助支承符号、夹紧符号和常用定位、夹紧装置符号(简称装置符号)的类型、画法和使用要求。
本标准适用于机械制造行业在设计产品零件、部件机械加工工艺规程和编制工艺装备设计任务书时使用。