– The unit is driven by the brushless servo motor, with synchronous belt transmission, eliminate the gear clearance, abrasion, no noise, no lubrication, safely to a synchronized pair of roller segments. – Rolls can be made upon request with PU surface for delicate raw material feeding. – Synchronization of the feeder and punching machine is done easy through cam signal from PLC of a punching machine. – Programmable feeding can be done for up to 10 groups of feeding pitches and saved as recipes. The feed length can be steplessly adjusted during operation