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1. conical twin screw and barrel;, 2. base material 38CrMoALA;, 3. nitride or bimetallic treatment;, 4, 1 year's guarantee - details see: https://www.machineto.com/80-156-extrusion-machine-bimetallic-conical-twin-screw-and-barrel-10334709

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	bimetallic conical twin screw and barrel
Base material	38CrMoAlA
Surface treatment	Nitriding or bimetallic execution
Nitride layer	0.5-0.8mm
Bimetallic layer	1.5~3mm
Bimetallic powder	Nickel based alloy powder + tungsten carbide
Surface hardness	900-1000HV
Surface roughness	Ra0.4um
Linearity of screw:	0.015mm
Nitride brittleness	<= Grade 2

Application:

We suggest you the bimetallic barrel if you process the material of fiber glass, wpc, calcium carbonate, titanium dioxide ect.

Packing:We use strong export wooden case, with inner by foam bag.

Company Philosophy

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.

There are 10 QC workers in our company to inspect the raw material, half-finished products and finished products.

We have 3 sets of advanced CNC machine to produce more accurate screws & barrels.