Standard No.:	GB/T 4681-1984
English Name:	External cylindrical centerless grinding machines; Testing of the accuracy
Chinese Name:	无心磨床 精度
Chinese Classification:	J55    Grinding machine
Professional Classification:	GB    National Standard
ICS Classification:	25.080.50 25.080.50    Grinding and polishing machines 25.080.50
Issued by:	National Bureau of Standards
Issued on:	1984-09-28
Implemented on:	1985-8-1
Status:	superseded
Superseded by:	GB/T 4681-2007 External cylindrical centreless grinding machines—Testing of the accuracy
Superseded on:	2007-12-1
Superseding:	JB 1466-1974
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	105.00
Delivery:	via email in 1~3 business day

本标准适用于一般用途和普通精度的无心磨床。本标准是参照ISO 3875-1980《无心外圆磨床精度检验》标准制订的。本标准所列出的精度检验项目的顺序，并不表示实际检验时的次序，为了装拆检验工具和检验方便，可按任意次序进行检验。根据用户和制造厂的协议，检验项目可以增减。型式Ⅰ机床是指砂轮主轴的支承在砂轮的一侧（悬伸式）。型式Ⅱ机床是指砂轮主轴的支承在砂轮的两侧（双支承式）。