The Cold Roll Mill consists of left and right coilers, a leading engine arch, a press cylinder, and other auxiliary equipment, with a maximum design speed of 480m/min. The Cold Reversing Mill electrical system adopts Siemens PLC S7-1500 control and supports PROFINET/DP communication, and the transmission system is equipped with a high-performance AC vector inverter to meet the needs of high-precision speed and tension control. The AGC thickness control system integrates monitoring, pre-control, second flow, acceleration and deceleration thickness compensation, and tension AGC functions to ensure the high-precision requirements of finished plates. Precise tension control is achieved through the tension sensor between the racks, the automation system completes sequential control and continuous adjustment, the human-machine interface supports real-time monitoring, fault diagnosis, and online monitoring, and is equipped with multiple safety interlocks to ensure safe operation.

The Cold Rolling Mill consists of left and right coilers, the main machine arch, a press cylinder, and other auxiliary equipment. The maximum design speed is 400m/min. Automatic control greatly improves production efficiency. The Cold Reversing Mill electrical system adopts Siemens PLC S7-1500 control and supports PROFINET/DP communication, and the transmission system is equipped with a high-performance AC vector inverter to meet the needs of high-precision speed and tension control, reduce energy consumption and maintenance costs, and extend the service life of the Cold Roll Mill. The AGC thickness control system integrates monitoring, pre-control, second flow acceleration, and deceleration thickness compens

The equipment consists of a sawing unit, roller table, material rack, trolley, gantry, and material platform, which can accurately see materials according to the set length. The gantry mechanism automatically stacks the sawn materials through the internal lifting platform and clamp and finally transports them to the designated location by the crane, which can reduce manual intervention and improve production efficiency. The electrical system is controlled by Siemens PLC S7-1200, which supports Profinet bus communication, and the transmission system uses Siemens SINAMICS G120 series inverter to achieve efficient and precise control. PLC and variable frequency transmission systems ensure cutting length and stacking accuracy, reducing material waste. The equipment has sequential control, continuous adjustment control, positioning control, and stacking sequence control functions. The human-machine interface is intuitive and easy to use, supports process parameter setting and storage, and simplifies the operation process. Real-time display of dynamic process, fault diagnosis, and online monitoring information, and equipped with multiple safety protection interlocks to ensure the safe operation of the equipment. Automatic control reduces labor costs, and precise cutting reduces material loss. Our company has successfully obtained certification for its main products (document number ISO90013C) and developed several patents, including electric transmission and control systems for rolling mills and annealing production lines. We specia

In November 2024, the Guohui Color Coating Line equipped by our company was successfully debugged in Zhongshan. The Coating Line equipment structure consists of an unwinder, a stitching machine, a cleaning unit, a tension roller unit, a looper unit, an oiling unit, a curing furnace, and a winder. The unit is designed to have a maximum process speed of 30m/min. The electrical system uses S7-1500 series products and PROFINET/DP communication. The Coil Color Coating Line unit has an inlet and outlet looper unit to store materials, which can realize non-stop loading and unloading of materials. The PLC control system is equipped with a human-machine interface, and a 15-inch color touch screen is selected to be configured at the entrance and exit console. AC transmission is used to reduce maintenance costs. Basic automation is directly oriented to the production process, completing the sequential control and continuous adjustment control of the production process, and the computer realizes the human-machine interface program control; the operation screen, dynamic process screen display, including fault display, fault diagnosis, and online monitoring and other functions, is equipped with multiple safety protection interlocks to achieve safe operation.

In April 2024, the Gaoming Jiye No. 4 straightening machine equipped with an electric drive, AGC control, and dynamic filter compensation device by Yuanjing Automation Equipment Co., Ltd. was successfully commissioned on-site thanks to the hard work of after-sales colleagues.    The Gaoming Straightening And Finishing Machine is a set of efficient and precise strip processing equipment consisting of an unwinder, stitching machine, tension roller group, Stretcher Leveling, leveling machine, looper/elevator, oiling machine, and winding machine. The maximum process speed of this equipment can reach 300 m/min. It adopts the PLC S7-1500 control system and Profinet bus communication, combined with AC transmission technology, which significantly reduces maintenance costs. Through the mechanical differential mechanism, the elongation can achieve infinitely continuous adjustment of 0-3.0% to meet the processing requirements of different materials. This Tension Leveler can effectively solve the common problems of flatness and elongation control in customers' strip processing processes and improve product quality. Its automatic control system has the function of automatic deceleration and parking at a fixed length and fixed coil diameter to ensure production accuracy and efficiency. At the same time, the Straightening Equipment supports rewinding, straightening, leveling, and joint control modes to meet various process requirements. The five-element six-heavy bending roller system design, combined with the role of the tension roller and straighten