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Screw Barrel for Rubber Extrusion

China Screw Barrel for Rubber Extrusion, Find details about China Screw and Cannon, Screw and Cylinder from Screw Barrel for Rubber Extrusion

Model NO.
40mm-500mm
Trademark
OULIN
Origin
China
HS Code
84779000
Model NO.
40mm-500mm
Trademark
OULIN
Origin
China
HS Code
84779000
Detail Information For Screw Barrel for Rubber Extrusion:

Application: for different kinds of rubber.

Customer's Requirement: extrude rubber continuously, stably and uniformly.

Screw's quality: bimetallic quality or nitriding quality.

Barrel's quality: bimetallic quality or nitriding quality.


Detail Information For All Rubber Screw and Barrel:

Brief introduction:  
cold& hot feeding screw and barrel, such as pin type, conical type, venting type, injection type and etc, has good torque force& abrasion resistance, rubber will be extruded out uniformly and stably.

Specification:
1:For cold feeding screw and barrel
Diameter range: Ф40-Ф300MM
L/D ratio: 8-20

2: For hot feeding screw and barrel
Diameter range: Ф30-Ф250MM
L/D ratio: 4-8

3: for Pin type screw and barrel:
Diameter range: Ф60-Ф250MM
L/D ratio: 12-18

Base material : 
38CrMoAlA(JIS SACM645) from BAOSTEEL company.
Alloy Layer: Fe, Wc, Si, Cr, Ni, Co, C, Mo, B and etc ( different quality has different formula).

Quality grade for screw and barrel:
Nitriding quality--------common quality type.
Bimetallic quality-------better abrasive& corrosive resistance, has different quality grade.

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

Screw Barrel for Rubber Extrusion
Screw Barrel for Rubber Extrusion
Screw Barrel for Rubber Extrusion
 

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