Yaskawa AR1440 12kg Payload 1440mm Reach 6 Axis Hollow Wrist Welding Robot 0.02mm Overview The Yaskawa MOTOMAN AR1440 is a six-axis arc welding robot aimed at shops that weld medium steel assemblies in small batches and need the same result on the tenth part as on the first. A 12 kg payload leaves headroom for a water-cooled torch, a pull-type wire feeder and a collision sensor on the same wrist, while the 1440 mm reach lets the torch travel around a sub-frame or bracket