(GW50A automatic bending machine, GW42D automatic bending machine, GW42E automatic bending machine) classification

Bender is good or bad, mainly to see what kind you use the bender, there are currently three bender on the market with the most, namely: (GW50A automatic bending machine, GW42D automatic bending machine, GW42E automatic bender). GW50A into simple automatic hydraulic pipe bender machine (like a bow and arrow type) and desktop hydraulic mandrel bender (like turning style). The biggest problem is the oil spill GW42D automatic bending machine and angle errors and loose bushings, seals and other bad. GW42E automatic bending machine is pure electric bender. Angle control error is large, easy to damage the motor. The majority of these products in the world; the latter is the Italian foreign electric CNC tube bender, the biggest problem is the efficiency of the slower, one day can be bent up to approximately 300 tubes.