Cylindrical screw flight large diameter/pitch ratio – 36478

A Cylindrical screw flight with a large diameter/pitch ratio is challenging to manufacture. The processing time is long, and it is important to check that the pitch will increase equally over the complete 360° round the inner tube.

What types of cylindrical screw flights with large diameter/pitch ratio is BEMA manufacturing?

• Flights in carbon steel
• Flights in stainless steel like 1.4301/AISI-304 and 1.4404/AISI-316. These are typically used for screw rotors to the food industry

Before making a final screw flight design you shall contact BEMA and in the second step require to get a test flight to get a basic experience of working with this type of screw flight.