Features

VFD/AC Drawworks: The single/dual speed drawworks has compact size, light weight, little vibration, low noise, high efficiency and long service life; It adopts AC-DC-AC VFD drive, with wide speed change range and can meet all kinds of drilling requirements; The single/dual speed drawworks consists of AC VFD(variable frequency drive) motors, gearbox, hydraulic disc brake, frame, drum shaft assembly and automatic driller system; Drawworks is driven by VFD motors to realize step-less speed regulation, providing high efficiency in gear transmission, with small vibration, low noise and long service life; The drawworks is single LEBUS grooved drum in structure, compared with other drawworks with same capacity. It features simple structure, small volume and light weight; The drawworks adopts hydraulic disc brake and regenerating brake; The drawworks can realize automatic drilling by independent motor; Transmission is made of one or two gears reducer.

AC Drawwork Specifications