Wear resistant speed 75r/min constant 

Grinding wheel 1: diameter 200 ± 0.2mm, thickness 10 ± 0.1mm, E235A or Fe360A steel, applicable to GB/T3810.6-2006. 

Grinding wheel 2: diameter 200 ± 0.2mm, thickness 70 ± 0.1mm, 45 steel, hardness HB203- 245, applicable to GB/T12988-2009 and GBT32987- 2016. 

Sample size: 100mm * 150mm Narrow wheel abrasive uses F80 corundum sand with a particle size specified in ISO8684-1. 

The wide wheel abrasive adopts F36 brown corundum sand with a particle size. 

The storage capacity is greater than 5L. 

Test time can be preset arbitrarily. 

The pressure weight has a mass of 2.5-3kg (applicable to GB/T3810.6-2006), The mass of the pressure weight two is 14kg (applicable to GB/T12988-2009)