Multi-axis synchronization precise positioning Delta 15MC achievement efficient passenger car assembly line
In the production of passenger cars, the assembly process is the first stage of the body welding line and represents one of the most critical steps in manufacturing the vehicle body. The six sides of the car must be aligned precisely, consistently, and synchronized to ensure a high-quality final product. Any deviation in this process can significantly impact the overall quality of the vehicle.
Recently, Delta introduced a control solution based on the DVP-15MC multi-axis motion controller, which enables accurate positioning and displacement. This system has successfully helped an automotive assembly equipment manufacturer overcome challenges related to multi-axis synchronization and precise positioning, resulting in a more efficient and reliable assembly line.
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In typical passenger car assembly lines, the common process involves assembling the left and right side frames, with the longitudinal beam serving as a reference point for positioning. The sequence may follow this order: fixing the left (or right) side frame, followed by the top frame, and finally the post frame.
During operation, the assembly line requires multi-axis synchronous movement, along with the ability to detect remote I/O disconnections and trigger alarms. To support flexible production and meet customer demands, Delta provides a comprehensive system using the DVP-15MC series as the core, combined with the ASDA-A2 servo drive, ECMA AC servo motor, and other high-precision components. This setup ensures accurate and high-speed motion control across multiple axes.
As shown in the figure, Delta’s DVP-15MC series is equipped with an external encoder, acting as the main controller. It integrates elements like the DOP-B series Touch Screen, RTU-DNET remote DeviceNet module, and DeviceNet master module, allowing real-time monitoring and adjustment of encoder positions. The system can store up to 100 different vehicle data sets, which can be accessed at any time. Additionally, programs can be modified and downloaded online, enabling flexible motion control.
In terms of motion control, Delta utilizes the ASDA-A2 servo drive, which includes advanced features such as electronic cam functions and high-speed pulse position comparison. These capabilities allow the ECMA series AC servo motors to perform high-precision, high-speed, and synchronized movements, ensuring accurate machining operations.
After the installation of the electrical cabinet, Delta conducted detailed debugging to fully understand the movement requirements of the assembly line. They also trained the customer’s engineers in programming and debugging the DVP-15MC series, as well as integrating multi-axis synchronization. This ensured that the assembly line could achieve the precise multi-axis positioning required for passenger car production.
The DVP-15MC controller, capable of controlling 24 real axes simultaneously, offers multiple motion control modes, rich port integration, strong hardware expansion capabilities, and an intuitive programming interface. It is set to become a leading choice in the future motion control market.
By selecting the DVP-15MC series, manufacturers can effectively address multi-axis synchronization issues in passenger car assembly lines. Based on the PLCOpen 2.0 standard motion control library, the system is highly scalable and user-friendly, meeting all the necessary control requirements. Not only did it fulfill the customer's expectations, but it also significantly reduced the project development cycle, saving both time and resources.
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