Standard No.:	GB/T 21948.2-2008
English Name:	Test conditions for CNC milling machines with table of variable height - Testing of accuracy - Part 2: Machines with vertical spindle
Chinese Name:	数控升降台铣床检验条件 精度检验 第2部分：立式铣床
Chinese Classification:	J54    Drilling, boring and milling machine
Professional Classification:	GB    National Standard
ICS Classification:	25.080.20 25.080.20    Boring and milling machines 25.080.20
Issued by:	AQSIQ; SAC
Issued on:	2008-06-03
Implemented on:	2009-1-1
Status:	valid
Superseding:	JB/T 9928.1-1999 数控立式升降台铣床 精度检验
Language:	English
File Format:	PDF
Word Count:	10500 words
Price(USD):	315.00
Delivery:	via email in 1~5 business day

GB/T21948的本部分规定了数控立式升降台铣床的几何精度检验、定位精度检验和工作精度检验的要求及方法。
本部分适用于工作台面宽度200mm~500mm 一般用途的数控立式升降台铣床。