Tube forming machines (galvanized or stainless steel) are divided into 3 categories.

RFM: 2 roller calendering machine

Compact machine consisting of a rubber roller and a forming tool; the sheet metal, passing between these two rollers, is calendered. Available with various types of tools depending on thickness, diameter and material.
Diameter: 80 mm to 600 mm
Thickness: 0.4 mm to 3 mm

EFM: Tube forming machine with rollers and equipment

Makes tube ends according to customer drawings and specifications.
Diameter: 80 mm to 630 mm
Thickness: 0.4 mm to 2 mm

For each type of machine, the machining process is automatic; component loading and unloading before and after machining can be manual, semi-automatic, or fully automatic.