Application: for PVC Pipe.
Customer's Requirement: screw be coated with hard chrome layer.
Screw's quality: nitriding quality, steel from BAOSTEEL company, be coated with hard chrome layer.
Barrel's quality: nitriding quality, steel from BAOSTEEL company.
Detail Information For All Brand Twin Conical Screw and Barrel:
For the production of pipes, profiles, sheets, such as SPC floor, PVC wall board, PVC wood plastic, PE wood plastic, high molecular sheet, baking-free brick plate, high calcium plate, high calcium pipes, high calcium profiles, soft PVC sheet, PVC foam board, PP, PE, ABS, PVC, granulation and etc.
24/52, 35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120,58/124, 60/125, 65/120, 65/132, 68/143, 70/135,70/140, 75/150, 80/143, 80/156, 92/188, 105/213,110/220 and others.
1: Factory can produce twin conical screw and barrel according to your drawings.
2: Engineer can be sent to your factory for measurement, company can produce screw and barrel for most extrusion brand.
1: Nitriding quality------ base material: 38CrMoAlA(JIS SACM645)
2: Bimetallic quality-----Good abrasive& corrosive resistance.
Advance hardening and tempering
Nitriding depth: 0.50mm-0.80mm
Nitriding hardness: HRC56-58
Surface roughness: Ra 0.4
Screw straightness: 0.015mm
Alloy layer depth: 2mm-3mm
Alloy layer hardness: HRC56-64
OULIN SCREW: YOUR LOYAL PARTNER FOR SCREW AND BARREL