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Rubber Injection Molding Machine Screw Barrel

Model NO.
Rubber Injection Molding Machine Screw Barrel
Quantity:

We produce rubber injection molding machine screw barrel per drawing or per some machine brands or codes. All accessory parts are available

Bore Diameter Available

Pin Rubber Screw Barrels:¢75mm~¢200mm

Cold/Hot feed rubber screwbarrel:¢65mm~¢650mm

Materials Available for Base Steel

38CrMoAl(1.8509), 34CrAlNi7(1.8550), 31CrMoV9(1.8519), 40Cr, 42CrMo, SKD61, SS304

Range of Working Length

Bimetallic Screws: 10 meters long max;

Niriding Screws: 10 meters long max

Niriding Barrels: 10 meters long max

Surface Treatment

Bimetallic, Nitriding, Through-hardened, Chrome-Plated

Surface Roughness

Ra0.4um

Surface Straightness

0.015mm

Thickness of Bimetallic Layer

Bimetallic Screws: 1.0~1.5mm;

Bimetallic Barrels: 2.0~3.0mm

Thickness of Nitriding Layer

0.4~0.7mm

Where are injection molding machine screw usually used?

Shim and cable
Tire
Rubber profile  
Rubber sheets
Rubber flooring  


What are the top concerns for the materials selection when we purchase new injection molding machine screw?

The material for rubber screw must be:
Anti-high temperature;
Anti-wearing;
Anti-corrosion;
High strength to work with high torque and high speed;
Good cutting performance;
The relief and the thermal deformation is small after heat treatment.

The material for rubber barrel include:
38CrMoAlA (DIN1.8509)
42CrMo ( AISI4140)
Stainless steel 304

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