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  • How hydraulic motion-control measures up
    high-speed back-andforth linear motion to sweep powder into the cavity and then eject the finished part, making a hydraulic actuator the preferred power source. An electronic motion controller coordinates motion and ensures repeatability. To satisfy Gasbarre's key requirements, the motion controller would
  • Controlling high-performance electrohydraulics
    Getting the most out of PID systems is the key to precise hydraulic motion control. High-performance hydraulic motion controllers like the Delta RMC100 often receive cylinder-position data from magnetostrictive displacement transducers (MDTs), such as this unit from Balluff, Florence, Ky. Unlike
  • Decentralized hydraulics boost sawmill output
    knowledge of hydraulics. The pretested subassembly consists of a temperature and vibration-resistant microcontroller built into a fast-acting control valve, along with a position transducer and hydraulic cylinder. It communicates to higher-level PLCs, motion controllers, or CNCs via fieldbuses
  • Sorting out servopneumatics
    Proportional pneumatics hold a sizable cost advantage over electric and hydraulic systems. The LS servopneumatic control system includes a dedicated device controller and a five-port, three-position, closedcenter directional valve. It accepts command signals from sources such as PLCs and computers
  • The good stuff may cost less
    hydraulic control, or flexible control of servoelectric, hydraulic, and pneumatic systems. In these cases, a full-featured motion controller is key to best performance. It is unlikely that a one-stop-shopping automation supplier has a motion controller up to the task. Even in simple applications
  • Making Sense of Electrohydraulic Controllers
    hydraulic-based motion. Although valued for its ability to move, crush, or lift heavy loads, hydraulics is often not considered exceptionally precise, or able to support complex, synchronized multiaxis operations. The advent of closed-loop electrohydraulic (EH) motion controllers has changed
  • Hydraulics Safely and Smoothly Moves Broadway Stage
    into the floor while the bed extends at precisely the same rate and appears to hover motionless in the air. Because such movements involve close synchronization, the Hudson team selected an RMC75 two-axis motion controller with Ethernet communications and special capabilities for precisely controlling
  • Waterslide Simulator
    the structure stable. Each actuator must synchronize with its mate so the superstructure doesn't twist out of alignment. And like other motion-based simulators, the movements of all the axes must be coordinated with video images the rider sees. The design team opted for an RMC150 motion controller from

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