Patent ID: 9737951
Date: 2017-08-22
CPC Classifications: B23K

Claim:
1. A welding wire feeder system comprising: a wire drive configured to contact a welding wire and to drive the welding wire towards a welding application; an electric motor assembly coupled to the wire drive and configured to force rotation of the wire drive during operation, the electric motor assembly being selected from a plurality of electric motor assemblies useable on the wire feeder; drive circuitry coupled to the electric motor assembly and configured to apply drive signals to the electric motor assembly in operation; and control circuitry coupled to the drive circuitry and configured to apply control signals to the drive circuitry based upon which electric motor assembly is selected, wherein the control circuitry is field configurable to drive each of the plurality of electric motor assemblies based upon configuration parameters stored in the control circuitry, wherein the electric motor assembly comprises an electric motor and a gear reducer, and wherein at least one of the configuration parameters comprises a speed conversion based upon the gear reducer.