Ultra-High Accuracy Hydrostatic Spindles
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Catalog excerpts

Ultra-High Accuracy Hydrostatic Spindles - 1

ELKA technology motor spindle technology A world leader in ultra-high precision hydrostatic spindles Ultra-High Accuracy Hydrostatic Spindles For a perfect finishing surface For the best precision For a faster production process For an eternal lifetime Parameter Maximal speed Tool Interface, Pilot diameter Continuous power at maximal speed Supply pressure Radial error motion Axial error motion Oil pumping power Axial stiffness Radial stiffness at the shaft front end TDM present new generation of Ultra-High Speed Internal Grinding Hydrostatic Spindles with extremely high speed: 120'000 rpm, 140'000 rpm and 250'000 rpm. Work Heads Grinding Spindles For a perfect roundness For a high extremely rigidity For a vibration less rotation Parameter Maximal speed Constant continuous torque Maximal continuous power Supply pressure Radial error motion Axial error motion Oil pumping power Axial stiffness Axial load capacity Radial stiffness at the shaft front end Radial load capacity at the shaft front end Ultra-high precision work head hydrostatic spindle was developed and manufactured with maximal speed of 6'000 rpm and load capacity of over 0.5 tons in both radial and axial directions. Spindle has an optional coolant supply through the rotating shaft. Via Rompada 38 - 6987 Caslano - Lugano - Switzerland www.tdmspindles.com - e-mail: tdm@tdmspindle

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Ultra-High Accuracy Hydrostatic Spindles - 2

ELKA technology motor spindle technology A world leader in ultra-high precision hydrostatic spindles Hydrostatic bearing spindles Hydrostatic bearings are contactless bearings with rotating shaft and non-rotating housing separated by a thin layer of oil. Rotating shaft is surrounded by a number of recesses uniformly distributed in circumferential direction over internal surface of the spindle housing. High pressure oil is directed from external power supply unit through the inlet restrictors to the recesses. From bearing recesses, the oil leaves to chambers directly connected to the...

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