Screw using variable pitch, variable clearance, fine fluid mechanics calculation and other design concepts, so that the material in the conveying process of screw shear, mixing, compression more soft, closer to the needs of actual production.
Specifications:
35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188,
The above is the standard specification, can be customized according to customer requirements.
Process parameters:
Screw is made of high quality 38CrMoAIA or 1.8550 forging material, tempered HV290-320, surface plasma surfacing nickel-based alloy, alloy thickness ≥ 1.7mm, hardness HRC58, NITREX nitriding furnace overall nitriding after finishing, nitriding depth 0.5-0.7mm, hardness HV860-980. Metallographic structure grade 2 or above.
Scope of application:
PVC wood plastic, PE wood plastic, ultra high molecular plate, unburned brick plate
More than 1 to 2 high calcium gusset plate, more than 50 to 400 high calcium pipes, 50 to 300 high calcium profiles
Soft PVC sheet, PVC foam board
Ordinary plastic, PP, PE, ABS, PVC, raw material granulation, production of pipe, profile, sheet and other products.