A chassis system manufacturer needed to retool a Tier-1 automotive hydroforming line to accommodate a new model design change. The new line required the flexibility to produce both the current OEM product and the new product at higher volumes. As a requirement for the new machine design, the manufacturer wanted to eliminate the messy and inefficient hydraulic system used in the old machine and implement new technology that provided better process control, was cleaner, quieter, saved energy and had the flexibility to handle the part variability. In addition, the new system would need to seamlessly integrate with Rockwell Automation controls and drives.
New system: Kyntronics smart hydraulic actuators with in-line configuration
The manufacturer considered using electro-mechanical actuators but found that the large size and high cost of EMA technology would not meet their project requirements. Instead, the manufacturer chose 16 Kyntronics Smart Hydraulic Actuators (SHA). The SHAs were rated from 6,000 to 23,000 lb-ft (27 to 103 kN) of force and were provided in both in-line and right-angle configurations to optimally fit the available space envelope. The SHAs incorporated Rockwell Automation (Allen Bradley) servomotors and drives that met the customers’ control specifications.
New system: Kyntronics smart hydraulic actuators with right-angle configuration
The Kyntronics SHAs implemented on the new hydroform tube processing machine exceeded the requirements of the machine builder and end customer including the following highlights:
In the previous system, a mess of hydraulic components was inefficient.
- The SHAs eliminated the space-consuming HPU, manifolds, valves and hoses which helped contribute to the machine footprint being 50% smaller than the previous production line.
- The ability of the SHAs to operate independently with cycle overlap allowed the new machine to produce 25% more parts per shift vs. the previous machine.
- The programmability of the SHAs provides flexibility to handle multiple part variations with improved process control – using position and force control ensuring optimal cycle times.
- Elimination of the hydraulics on the new machine results in an environment that is cleaner, less noisy and more energy efficien
The Kyntronics SHA combines the power of hydraulics with the precision of servo control resulting in an ideal solution for the hydroform tube processing machine.
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