rubber injection molding screw barrel|rubber extruder screw barrel manufacturer EJS Industry

rubber injection molding screw barrel| EJS makes rubber screw band barrel for rubber extrusion machines

rubber injection molding screw barrel | EJS is your smart choice for quality screw barrel and good communication.

rubber injection molding screw barrel|EJS factory is located on Zhoushan island, one hour away from Ningbo

rubber injection molding screw barrel| From a small workshop to 400 workers, EJS has been keeping growing for a better future.

rubber injection molding screw barrel|With over 20 workshops, EJS is able to get your screw barrel produced at our own sites, chrome-plating is an exception.

rubber injection molding screw barrel| EJS produces 30000 screw barrels annually, another plant is on the way

rubber injection molding screw barrel| EJS has nitriding furnaces, EJS has the centrifugal casting machine for bimetallic carbide liners, EJS has Kennametal Stellite machines for screw flight alloy coating.

rubber injection molding screw barrel|EJS produces rubber extruder screw barrel since 1990s.

Rubber Injection Molding Screw Barrel

Model NO.: Rubber Injection Molding Screw Barrel
Minimum order quantity:: 1

Quantity:

Product Description

We produce rubber injection molding 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 rubber injection molding screw barrel usually used?

Shim and cable
Tire
Rubber profile
Rubber sheets
Rubber flooring

What are the top concerns for the materials selection when we purchaserubber injection molding screw barrel?

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

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