English to Italian Law/Patents Mechanics / Mech Engineering arc welding

A buffer is between the wire feed motor and the reversible motor, and the controller receives feed-back from the buffer, and controls the wire feed mo-tor in response thereto

The buffer may be anything that stores and returns the extra wire, or provides an increased wire path length between the source and the torch. The buffer in this case includes a wire liner about the wire for at least a portion of the distance from the source to the torch.