Supply Screw and Barrel for Silicone Rubber

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

Model NO.
40mm-300mm
Trademark
OULIN
Transport Package
Plywood Case
Specification
40mm-300mm
Origin
China
HS Code
84779000
Model NO.
40mm-300mm
Trademark
OULIN
Transport Package
Plywood Case
Specification
40mm-300mm
Origin
China
HS Code
84779000
Detail Information For Rubber Screw and Barrel:

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

Supply Screw and Barrel for Silicone Rubber