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Hydraulics improve efficiency in machines for CNC 235 machine

By Michael Jermann | July 22, 2014

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NEUMutterWALRingSilber

The shoulder clasp featured with this system prevents fatigue fractures, even under extreme strain.

Buderus Schleiftechnik, a producer of compact and flexible machining systems, approached the German sales team at Eaton with a 12-week project timeline for a new CNC machine designed to produce high-precision transmission parts for a U.S. automobile manufacturer. Because of cost pressure within the automotive industry, the machine had to be efficient enough to keep energy costs low. The company requested that they provide hydraulics for the new CNC machine.

The Computer Numerical Control (CNC) 235 can be easily adapted to production requirements, making it ideal for the hard machining of difficult components such as transmission parts. Featuring two machining centers that can be equipped with two additional axles, it can preform exterior and interior cylindrical grinding simultaneously.

During the planning of the hydraulic system, Eaton engineers worked closely with the company to determine how the hydraulics for the CNC machine could be improved with regard to energy efficiency and costs.

To achieve these goals, Eaton provided a V10 vane cell pump, which supplies an electronically monitored storage charging station to the energy-saving operation of the hydraulics.

Additionally, a customer-specific valve block controls all of the hydraulic drive functions in the CNC, including the clamping of the workpieces. Since the clamping varies depending on the workpiece, Eaton engineers used proportional hydraulics with integrated pressure regulation and electric control with the stand-alone power system (SPS) of the machine. This allows the working pressure of the clamping hydraulics to automatically adapt to the part currently being produced.

In order to make the hydraulics system operate properly, Eaton supplied its WalterscheidTM WALRing system, which features a sharpedge ring pipe connection with a soft seal.

The Eaton team designed and delivered the hydraulics system within the customer’s 12-week timeline. Test runs at the Buderus Schleiftechnik plant in Germany were completely satisfactory. The new system adjusted well to the production of each part and proved to be reliable and energy efficient.

Eaton

www.eaton.com

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Filed Under: Fluid Power World Magazine Articles
Tagged With: CNC, eaton
 

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