Bimetallic Screw and Barrel

bimetallic barrel cylinder is a kind of barrel with a 2-3mm-thick alloy coat on the cylinder inner wall which has the ability to undergo abrasion,erasion and its usefull service life is greatly improved contrast to common nitrating barrel.Bimetallic has more obvious advantages when processing special plastics such as engineering plastics,fluoride plastic,PPO,ect. company uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloys and welding methods for the Screws of different functions.