How to repair the screw of eps pellet machine?

The eps pellet machine work for recycling eps foam waste and melt and cut into eps particles.There are screws on the main machine and auxiliary machine which wears during working.So,you need to repair the screw after some time.You may have the question of how to repair the screw?

The size of screws on eps pellet machine are designed with the inner size of machine cylinder.There are gap between the machine cylinder and screw.The reduced screw surface during wearing can be treated by hot galvanized alloy and then milled to your size.You can choose professional factory to repair it.The screw thread can be coated with 1mm or 2mm more thickness.Just improve the resistance in corrosion and wear.This special ability can cost a lot for customers.