E-news / Screws & Barrels

Types of Screws & Barrels

MATILA has different types of screws and barrels; we recommend each type according to the material used by customer.

And also when the capacity of the machine is getting lower and lower after years of usage, we recommend our customers to replace with the new screw and barrel, to regain the same specs as new machine.

The combo we recommend
1. Using virgin material

- Screw: SACM645 with partial PTA process on compression section, Nitrify 120H & polished, HRC 62~65

- Barrel: SACM645 Nitrify 120H & polished, HRC 62~65

2. Using recycled material

- Screw: SACM645 with PTA process for whole spiral surface, Nitrify 120H & polished, HRC 62~65

- Barrel: SACM645 Nitrify 120H & polished, HRC 62~65

3. Using recycled material + CaCO3

- Screw: SKD61 with PTA process for whole spiral surface, twice Nitrify process & polished, HRC 62~65

- Barrel: SCM440 with TCB12 centrifugal casting process, Nitrify 120H & polished, HRC 55~62