For many years, PMT has endeavoured to combine
Plastics – Mechanics & Technology.
Whether we are referring to reconditioned or brand new screws, single screws or double screws, injection or extrusion, our objective is to match our design optimally with the intended use.
Manufacturing of new injection or extrusion screws
- Standard profile for general use
- Special profile, according to your needs, studied by the design office:
- Barrier profile
- Double thread
- Progressive pitch
- Various types of mixers
- Easy Plast, high performance profile, special PMT design
Steel grades used:
- Nitriding steels
- Hardened steels
- Special steels or requested by the customer
- Gas or ion nitriding
- Vacuum hardening
- Hard-facing with stellites, Colmonoy, tool hard-facing,...
- Other surface treatments based on the transformation process: chrome plating, carbide spraying,...
Repair of injection or extrusion screws
- Hard-facing of screw top area based on TIG or PTA process with: stellites, Colmonoy, tool hard-facing,...
- Drive repair, valve fixing,...