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Team: Haimo J hri, Peter Heimgartner, Fabian Klossner, Johan Wickstr m, Wolfgang Burkert, Uwe Barth

04.12.08 . H.Joehri. Main RequirementsEigenfrequency > 50 HzHigh internal dampingEach component can be adjusted individuallyUser independent adjustmentRepeatability of adjustments < 0.01mm for critical components Easy to adjust the level of the girder after subside of groundfloor (Without c

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Team: Haimo J hri, Peter Heimgartner, Fabian Klossner, Johan Wickstr m, Wolfgang Burkert, Uwe Barth

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    2. 04.12.08 H.Joehri Main Requirements Eigenfrequency > 50 Hz High internal damping Each component can be adjusted individually User independent adjustment Repeatability of adjustments < 0.01mm for critical components Easy to adjust the level of the girder after subside of groundfloor (Without changing the horizontal position) Cost efficient for PSI-XFEL

    3. 04.12.08 H.Joehri Basic principles Pre-assembly of components on girders Mechanical accuracy of components in relation to the girder, without adjustments, better than 0.1mm Reference surfaces on the girder Accuracy of the girder position : 0.1mm

    4. 04.12.08 H.Joehri Adjustment of girder 3 feets All feets adjustable in height and one direction

    5. 04.12.08 H.Joehri

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