- Generally, the types include manual metal press brake, NC hydraulic metal press brake and CNC sheet metal press brake.- Used press brake machines in general to the low end. For example, the used hand metal press brake is popular in India.- As a new customized sheet metal press brake bending scheme in recent years, second-hand automatic robotic sheet metal press brake bending equipment rarely appears.- According to your requirements, we can transform your original old CNC plate bending machine into a robotic press brake bending automatic production line. However, there are no mature used robotic bending production line plans on the market.