ICS 25. 080. 01 Standard of the Machinery Industry of the People's Republic of China JB/T9163.1~9163.20--1999 Fixtures and attachments for gear cutting machine 1999-05-20 Issued State Administration of Machinery Industry 2000-01-01 Implementation Standard of the Machinery Industry of the People's Republic of China Expansion sleeve grinding mandrel Taperpluginexpaadingmandrels forgeargrindiag machine Dimensinns JB/I9163.14—1999 Generation 7R152 102 14-87 The standard specifies the type and center of the service sleeve grinding shaft, which is suitable for the gear with a positioning diameter of 30, 2 types and sizes Types and sizes are as specified in the following figure and table, A National Bureau of Machinery Industry-5-2 batch road 2000-01-01 implementationwww.bzxz.net 3 marking limit hs marking example: JB/T9163.14-1999 Basically formed by d-50mm, 2-300mm expansion and cold grinding gear center fine marking center auxiliary 50×300B/9163.141999 M35× 1.5 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.