Constant torque winding machine with an AC Flux VectorDrive. Engineered for those who require a versatile coilwinder with extra high pulling power, and an infinitely variable speed range. Perfect for customers winding shaped wire and large heavy coils. The Flux Vector Drive gives you soft, smooth starting andstopping. Controlled acceleration from zero to full speed prevents shock loads, which could break the wire. Up to 8000 lbs. can be loaded on the HD machine WITHOUT outboard support.