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Screw and Cylinder for Rubber Extrusion

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

Model NO.
20mm-500mm
Trademark
OULIN
Origin
China
HS Code
84779000
Model NO.
20mm-500mm
Trademark
OULIN
Origin
China
HS Code
84779000
Detail Information For Screw and Cylinder 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 and Cylinder for Rubber Extrusion
Screw and Cylinder for Rubber Extrusion
 

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