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1. bimetallic parallel twin screw barrel;, 2. base material 38CrMoALA;, 3. size as per the drawings. - details see: https://www.machineto.com/bimetallic-parallel-twin-screw-barrel-for-pvc-extrusion-machine-10334449

Specification

1. Any specificationper drawing;

2. New drawing could be designed;

3. Used for extruding machines.

Technical Data

Screw and barrel are the most important part for any extruder or injection molding screw barrel. It decides the quality of processing plastics and machine life time. We E.J.S produce high quality screw and barrel to give you greatest support on production. Below comes our screw barrel technical data:

Item name	parallel counter rotating screw
Base material	38CrMoAlA
Surface treatment	Nitriding or bimetallic execution
Nitride layer	0.5-0.8mm
Bimetallic layer	3mm
Bimetallic powder	Nickel based alloy powder + tungsten carbide
Surface hardness	900-1000HV
Surface roughness	Ra0.4
Linearity of screw:	0.015mm
Nitride brittleness	<= Grade 1

About E.J.S

With the company philosophy of Emphasize the details and Pursue the excellence, our products satisfied customers all over the world.

Quality always comes first. Our experienced workers pay attention to every tiny procedure during the production and inspection, to ensure the precision, durability and hardness of our screws & barrels.

Service makes us outstanding. To provide our customers with the excellent service which they deserve, our sales people are trained on the products every day. They are always ready to answer your questions and offer the best solutions in fluent English at any time.