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ACCURACY OF FEED AXES (PART TWO) by ProQuest

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Under the same conditions, also with 6,000 rpm, it shows a maximum linear deformation of {x: 5 m, y: 45 m, z: 55 m}. The rotational deformation reached a maximum of {a: 25 m/m, b: 10 m/m}. The third machine was equipped with a high-speed spindle and jacket cooling. At 12,000 rpm it showed linear deformations of {x: 5 m, y: 5 m, z: 40 m} and rotational deformations of max. {a: 20 m/m, b: 30 m/ m}.

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