Most of the slitting machines we have seen are used for sheet metal processing, and its functions have been basically automated, so the control system in the equipment is particularly important.

The electro-hydraulic servo control system is adopted in the slitting machine, which mainly uses the conversion between various signals to realize various actions. However, there are many ways of signal conversion, and a detailed understanding helps us to choose.

1. High-speed switching valve method

This method utilizes a high-speed response torque motor to directly or indirectly drive a fixed opening on-off valve. When the digital signal output by the computer is amplified, the front on-off valve can be controlled, so that the valve can control the two states of opening and closing. After the feedback signal is processed by the sampler, it can be transmitted back to the computer in the form of digital quantity to control the work of the slitting machine.

2. Digital-to-analog conversion method

Through the digital-to-analog converter, the digital quantity generated by the computer can be converted into an analog quantity, which is used to control the current acting on the input end of the servo valve or the proportional valve. The feedback signal can also be converted into a digital quantity through an analog-to-digital converter to enter the computer, thereby completing the conversion between the signals.

3. Stepper motor method

It relies on a conversion method realized by the stepper motor controller, which inputs the digital signal output by the computer into the converter in a pulse mode. The rotation angle of the stepping motor is converted into the opening of the valve through a set of transmission device, thus forming a digital flow valve. In addition, its outlet pressure is proportional to it to form a digital pressure valve, thus achieving the goal.

Ways and benefits of intelligent slitting machine

In the daily processing of plates, the slitting machine is one of the most widely used processing equipment. It can cut materials. So, as a very critical tension system in the machine, what kind of technology is used to achieve control?

At present, most slitting machines are controlled by magnetic powder clutches. However, due to its own limitations, it is easy to cause serious failures. With the development of technology and the application of intelligent devices, the slitting machine began to use vector frequency conversion motors to control the tension system, achieving intelligent operation.

Not only that, the machine also uses the swing roller to automatically detect, making the tension system more stable and reliable, and easy to operate. As an important index to ensure the quality of product processing, only a stable tension system can control the mutual tension between the slitting machine's unwinding, traction, cutting, and rewinding, so that the cutting process is in a stable state.

Wuxi Bangzhou Machinery Manufacturing Co., Ltd. is a company specialized in steel coil straightening machine, slitting line, cut to length line and flat bar straightening and chamfering machine. Our company is a professional slitting machine manufacturer. If you are interested in slitting machines, don’t hesitate to contact with us.