Basic Steps for 4 Roll Sheet Bending

 

Four roll bending rolls have a number of benefits when compared to older three roll models, especially the ability to pre-bend and roll without removing the material from the machine. Being able to use the back roll to square the material up makes these machines easy to use, while the continuous pinching of the lower fourth roll makes the whole process very controllable. This design also lends itself to NC and CNC controls. 

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