1.Material: D2(Cr12mov) or D3 (Cr12)
2.Heat treatment hardness: HRC58-62.
3.Pass accuracy is ensured by NC machining.
4.Roll surface is polished.
5.Roller surface roughness 1.0
1.Material: H13.
2.Heat treatment hardness: HRC50-53.
3.Pass accuracy is ensured by NC machining.
4.Roller surface is polished.
Roller spacer lMaterial: 45# steel.