Constant torque and therefore pull throughout a wide speed range;
Extremely accurate control of speed (0,1%) to enable minimum wall thickness to be achieved and maintained;
Conveyors driven by an AC motor via heavy duty gearbox, or, alternatively, driven from servomotors mounted directly into the head sprocket shaft of each conveyor, resulting in no transmission parts;

Lower conveyor adjusted by AC motor or manually, by jacking screw and handwheel;
Pneumatic upper conveyor adjustment, swiveling operation also available;

Profile gripping by:
rubber pads
poly-V belt with a rubber layer