Medium frequency benders

Medium frequency benders are widely used in electric power, petroleum, chemical, marine, nuclear industry and other projects in the field of pipe prefabrication.
But medium frequency benders fold in the waves from the Arc is clearly large, particularly the bending radius less than 3D (D is the pipe diameter) the arc fold inside is bigger,it has seriously affected the appearance of product quality, this is the urgent problems that need to be solved.

Medium frequency bending process is putting the induction coil on the bending pipe, using the mechanical switch to control head of the pipe then heating the pipe through the heating coil, when the steel pipe temperature up to a plastic state, in the back-end pushing start bending, some part of the bended pipe rapid cooling, like this heating, pushing, bending, cooling.

Hei Yan also manufacture pipe expanding machine,elbow forming machine,hydraulic press,tee machine,hot induction heating equipment.