As factories move from automation to intelligence, the requirements for equipment performance and scalability are progressing day by day. In response to the rapid development of electronic engineering, transportation and mechanical engineering, in order to quickly manufacture related product parts and components, metal coil winding technology is also being carried out at a high speed, and the performance, speed and accuracy requirements of winding machines are also constantly improving. Delta makes good use of its years of experience in the market and its complete and advanced automation products to create a solution plan that can complete high-precision winding control, helping customers improve production efficiency and save energy, manpower and time.
Winding equipment varieties and complex processes, in the processing of the winding machine, regardless of the material of the coil, the number of winding layers, the winding machine must be messy wire to form an orderly coil, but also the irregular stacking coils on the winding I-wheel evenly and neatly. Delta has launched an integrated solution for the operation of the layer winding machine to ensure the stability of the system tension, which can be applied to many different materials of metal or metal and plastic composite wire, such as copper wire, aluminum wire, iron wire, plastic aluminum wire and plastic copper wire.
The project uses Delta's high-performance programmable controller (PLC) for main control, with a human-machine interface for system setting, and precise control of servo drives and inverters to drive and control the winding and unwinding motors to complete outstanding winding operations and tension control. In the meantime, Delta has used a number of high-efficiency and compact vector control inverters MH300 series, which not only have a small size and do not take up space (about 40% smaller than the previous generation), but also have a faster output frequency, which can reach up to 2000 Hz in the open-loop loop, which can meet the needs of the layer winding machine for fast and smooth winding of wires. In addition, its built-in Safety Shutdown (STO) function ensures the safety of equipment and personnel in the event of a momentary power failure.
Delta's integrated plan can bring the following benefits to customers:
• Stable tension control to complete the high-speed and stable operation of the equipment
Delta has more than 20 years of experience in the development of inverters, and has launched a variety of general-purpose and professional jets over the years. The MH300 series of high-efficiency and compact vector control inverters used in this project have built-in complete and stable tension control functions, complete the automatic calculation of coil reel diameter, two-stage PI control and other functions, smoothly control the unwinding tension, and achieve the high-speed and stable operation of the equipment with a maximum speed of 23 m/s.
• Simple system configuration, easy to use, highly versatile
Through the variable voltage mode (VF) of the high-efficiency inverter, there is no need for cluttered PLC control programs, and smooth tension control can be completed, so that the equipment can operate stably and efficiently under various working conditions, and meet the needs of a variety of winding equipment.
• High efficiency, energy saving, cost reduction
By sharing the DC bus between the unwinding inverter and the rewinding inverter, the regenerative energy generated by the braking of the unwinding inverter can be fed back to the use of the rewinding inverter, without the use of braking resistors, which can simplify the system for customers, save equipment construction and reduce costs.
Delta's laminate winding machine control solution plan is highly integrated, has excellent tension control, and completes smooth and high-speed winding, which can be widely used in various types of lamination winding machines, such as automatic and semi-automatic laminate winding machines, servo precision laminate winding machines, annular lamination machines, and air-core coil laminating machines, etc., to help customers improve system stability, winding stability, and equipment operation efficiency.
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