برميل برغي كوكبي لبرميل الطارد / الكوكب من أجل PVC

Base Materials:

1)38CrMoAlA(JIS SACM 645)

2)42CrMo(AISI 4140)

Bimetallic Alloy Materials:

1)Fe-based alloy

2)Ni-based alloy

3)Co-based alloy

4)Tungsten carbide

Processing Technology:

Heat treatment

Nitriding treatment

Technical Parameter:

Nitrided layer depth:0.50-0.80mm

Nitrided hardness: 900-1100HV

Nitrided brittleness: Less than 2 level

Surface roughness: Ra 0.4

Linearity of screw: 0.015mm