What is the difference between electro-hydraulic press brake and torsional bar press brake?

With the advent of Industry 4.0, the trend of intelligent development, the machinery industry has suffered a certain impact, the use of computer integration technology in the manufacture of CNC bending machines, is an important production method of machinery manufacturing in the twenty-first century, along with the old twisted shaft bending machine aging out, how we recommend the new electro-hydraulic synchronous bending parts in the customer purchase, is our must-have skills One of the ZFY Machine from the following points as an entry point to introduce customers to the twist axis CNC bending machine and electro-hydraulic synchronous bending machine difference.

• The structure principle is different　

The design principles of the two models are different, resulting in bending slider on both sides of the structure to ensure synchronization is different. Torsion bar bending machine is the use of torsion axis link left and right pendulum, forming a torsion axis forced synchronization mechanism on both sides of the cylinder up and down, so the torsion axis synchronous bending machine is a mechanical forced synchronization method, while the parallelism of the slider can not automatically check the automatic mediation.　　

Electro-hydraulic synchronous bending machine, on the other hand, is installed on the slider and wall plate magnetic (optical) scale, the CNC system can analyze the synchronization of both sides of the slider through the magnetic (optical) scale feedback information at any time, if there is an error, the CNC system will be adjusted through the proportional electro-hydraulic servo valve, so that both sides of the slider travel synchronization. CNC control system, hydraulic control valve set, magnetic scale constitutes the feedback closed-loop control of electro-hydraulic synchronous bending machine.

• Accuracy

Slider parallelism determines the angle of the workpiece, twist axis synchronous bending machine is mechanical to keep the slider synchronized, there is no real-time error feedback, the machine itself can not make automatic mediation. In addition, it is poor bias load capacity (twisted axis synchronous bending machine is forced to synchronize the mechanism through the torque axis on both sides of the cylinder up and down, if long-term bias load, will lead to deformation of the torque axis) electro-hydraulic synchronous bending machine is the system through the proportional electro-hydraulic valve set to control the slider synchronization, magnetic (optical) scale real-time error feedback, if the error magnetic (optical) scale feedback after the system through the proportional valve to adjust to maintain the synchronization of the slider.

• Speed　

Machine work in two points to determine its operating speed: (1) the slider speed, (2) backstop speed, (3) bending steps twisted axis synchronous bending machine selected 6: 1 or 8: 1 cylinder, slow speed, while the electro-hydraulic synchronous bending machine selected 13: 1 or 15: 1 cylinder, fast speed. So the fast down speed and return speed of electro-hydraulic synchronous bending machine is much higher than that of torsional synchronous bending machine.

Twist synchronous bending machine slider down, speed although there are fast down and slow down function, but fast down and return speed is only 80mm / s, and fast and slow conversion is not smooth. The running speed of the backstop is only 100mm/s. If the workpiece needs to be bent in multiple steps, the twisted axis synchronous bending machine must be set up separately for each process, which makes the process very tedious. However, the electro-hydraulic synchronous machine can set each step of the process and save it through the computer, which can operate continuously, greatly improving the speed of the bending steps and improving work efficiency.　　

When the electro-hydraulic synchronous bending machine slider goes down, the speed has fast down and slow down function, fast down and return speed can reach 200mm/s, and the fast and slow conversion is smooth, which can greatly improve the production efficiency. At the same time the backstop running speed of 300mm / s

• Operation

Twisted axis synchronous CNC bending machine because there is no configuration control system, let alone V-axis compensation, so when processing according to the drawings, you can only rely on the experience of veteran workers to put the sample first do a trial fold. If not up to standard to continue to try, this process not only generates waste, and recruiting operators to choose a small range of high wages at the same time.Electro-hydraulic synchronous bending machine, is controlled by professional CNC system, with V-axis compensation, simple operation, low requirements for worker experience. There is a simulation of bending function, no need to put the sample, only need to correct the drawing input step size, direct bending.

 

• Strength

Because of its own design, resulting in torsion synchronous bending machine can not bias load bending, if long-term bias load bending will lead to deformation of the torsion axis.

Electro-hydraulic synchronous CNC bending machine does not have such a problem, the left and right Y1, Y2 axis is independent operation, so you can offset bending.