1. The writing method and implications of ordinary grinding wheels:


1 Type: GB/T 2484-94 all the types
2 Outer diameter: 6-750mm
3 ply: 2-200mm
4 Aperture: in accordance with the requirements of the customers
5 Material quality: A ,WA ,PA ,C ,GC
6 Granularity: 4-240
7 Hardness of grinding wheel: D ,N ,E ,P ,F ,Q ,G ,R ,H ,S ,J ,T ,K ,Y ,L ,M
8 Tissue No.: 0 ,1 , 2 , 3 ,4 , 5 , 6 ,7 , 8 , 9 ,10 ,11 ,12 ,13 ,14
9 Bonding agent code: V ,B
10 The highest working linear volocity (m/s): 35 ,40 ,45 ,50 ,60