Detail Information For Krauss-Maffei KMD2-50KK Twin Conical Screw and Barrel for PVC Pipe, Profile, Sheet, Granulation:

Application: for kraussmaffei extrusion.

Customer's Requirement: good abrasive resistance.

Screw's quality: 38CrMoAlA as base steel, screw's extrude zone will be weld with alloy layer, 10%-20% tungsten carbide powder will be added into alloy layer.

Barrel's quality: barrel will be made into two parts, SKD61 liner will be pushed into extrude zone, this part's abrasive resistance is excellent, the rest part is made by 38CrMoAlA.


Detail Information For All Brand Twin Conical Screw and Barrel:

Application:  
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.

Specification:
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.

Quality:
1: Nitriding quality------ base material: 38CrMoAlA(JIS SACM645)
2: Bimetallic quality-----Good abrasive& corrosive resistance.

Heat treatment:
Advance hardening and tempering
Nitriding treatment

Technical Parameters:
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