The 3HBR Haco Plate Bending Roll Machines are made of high quality forged steel, induction tempered and hardened and the rolls are polished after hardening. Special rolls are also supplied for certain jobs upon request.
Double spherical roller bearings are used for the rolls in stead of bushings to eliminate bushing tolerances and friction which results in energy loss.
The bearings are pre-lubricated and protected by a special washer which doesn't need any lubrication for the entire life of the machine.
The hydraulic motors are connected together with planetary gear drives directly on the rolls. This has the advantage of a very efficient power transmission from the motors to the rolls without secondary transmissions and clutches. This system offers the best torque under every work condition.
The parallelism of the rolls are controlled by massive torsion bars. We eliminate parallelism problems often found on electro hydraulic and electronic systems. This system also gives you the possibility of tilting the rolls for cone work and return to the initial position in a couple of seconds.
Two hydraulic readouts for the positioning of the bending (side) rolls
Hardened rolls 50 to 55HRC
Hydraulic conical bending device
Centralised ergonomic control panel
Hydraulic overload protection safety system
Operating and instructions manual
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