Voith Turbo introduces latest innovations in servo valves
February 2016
Motion Control & Drives
The new DECV servo valve (direct electronic copy valve) from Voith Turbo represents the latest development of this product, which has already proven itself in countless hydraulic control systems. It combines excellent operating characteristics and robustness with innovative valves and associated electronic control.
Impulse response and accuracy means that the Voith Turbo DECV is responsive to demanding drive tasks. A step response of only seven milliseconds places it firmly in the class of highly dynamic valves. A hysteresis of less than 1% is achieved thanks to the direct actuation.
The valve is focused on applications with high mechanical loads, for example it has already proven itself in punching/nibbling machines that clock up a g-force in the hundreds.
The device is unaffected by oil impurities, and can be used with oil of cleanliness class 19/17/14 as per ISO 4406. This oil-quality level can be achieved by means of a common bypass filter system, helping to reduce operating costs.
The programmable control electronics offers all common interfaces, which simplifies integration into existing systems. The HS4-SV2 controller used contains a configurable PLC/CNC, in addition to the control amplifier. Frequently-occurring user cycles are already integrated and can be customised easily via fieldbuses for specific requirements.
Diagnostic data can be retrieved via Ethernet from anywhere in the world using the PunchMaster software tool accompanying the HS4 controller. This ensures the identification of faulty cycles and quality assurance during production. An integrated sensor measures the pressure directly at the process connection, ensuring extremely accurate and dynamic process monitoring and control. This avoids downtime, which in turn limits the need for costly repairs and service calls.
For more information contact Terry-Lynn McIntosh, Voith Turbo, +27 (0)11 418 4000, [email protected], www.voith.com
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