Standard No.:	JB/T 9921.2-2007
English Name:	Superfinishing machine for groove of bearing inner rings and superfinishing machine for groove of bearing outer rings-Part 2:Specifications
Chinese Name:	轴承内圈沟超精机和轴承外圈沟超精机 第2部分：技术条件
Chinese Classification:	J55    Grinding machine
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	25.080.50 25.080.50    Grinding and polishing machines 25.080.50
Issued by:	National Technical Committee on Oil Drill Engineering Standardization
Issued on:	2007-10-8
Implemented on:	2008-3-1
Status:	valid
Superseding:	JB/T 9921.2-1999
Language:	English
File Format:	PDF
Word Count:	3000 words
Price(USD):	160.00
Delivery:	via email in 1~3 business day

JB/T 9921的本部分规定了轴承内圈沟超精机和轴承外圈沟超精机制造与验收的要求。 本部分适用于加工轴承内圈最大孔径10mm-100mm和轴承外圈最大直径30mm-150mm轴承沟超精机（以下简称机床）。