Bimetallic barrel for injection moulding machine

A bimetallic barrel is a type of barrel used in injection molding machines. It is made up of two different metals that are bonded together to create a barrel with enhanced properties.

The inner layer of the barrel is typically made of a high-wear resistant material, such as tungsten carbide or a high-speed steel. This inner layer is responsible for withstanding the abrasive forces of the plastic material being injected into the mold.

The outer layer of the barrel is usually made of a high-thermal conductivity material, such as copper or aluminum. This outer layer helps in quickly transferring heat from the barrel to the plastic material, ensuring efficient melting and molding.

The bimetallic construction of the barrel provides several advantages. Firstly, it increases the wear resistance of the barrel, extending its lifespan and reducing the need for frequent replacements. Secondly, it improves the heat transfer capabilities of the barrel, resulting in faster heating and cooling cycles during the injection molding process. This leads to increased productivity and reduced cycle times.

Overall, a bimetallic barrel is a crucial component in injection molding machines, offering improved durability and thermal performance, ultimately leading to higher quality molded products.