D51 series vertical ring rolling (hole-enlarging) machine is a special equipment for ringy roughcast hot-rolling and hole-enlarging procedure . The equipment is characterized by high automaticity, small volume, light weight, strong rigidity and sensitive and dependable manipulation, etc. So it is the essential equipment for the axletree industry.

D52 and D53K series digital-controlled horizontal ring rolling machines own many advantages as rational design, advanced frame, attractive appearance, radial and axial rolling function, high productivity, good precision as well as digital process control. Being high-efficient, material and energy-saving, it is an advanced equipment used to process weldless ringy parts, especially high temperature resistant and high strength alloy ringy parts. Moreover, it is widely used in aerospace, aviation, shipping, petrochemical industry, electric energy sources and many other industrial departments.

Major Technical Parameters of D51\D52\D53K