Fronius USA LLC offers a compact Robacta Drive TPS/i push-pull robotic welding torch. The gas or water-cooled torch can be used with robots having a load capacity of 3 kg. The lightweight device has a powerful and maintenance-free three-phase step motor for smooth movement of wires speeds up to 25 mpm. The speed is kept constant by an integrated high-precision positional encoder. The hosepack and drive unit in the device are coupled via a standardized connection using a union nut.