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Article | REF: BM7173 V1

Spindle calculations on a computer numerical controlled (CNC) lathe

Authors: Wassila BOUZID, Kacem SAÏ, Amara NEJI, Ali ZGHAL

Publication date: January 10, 2008 | Lire en français

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    2. Spindle design study

    The first step is to study the design of the spindle drive and guide system defined by the overall drawing in document 1 (figure 15 , page 14). The data characterizing the spindle are as follows:

    • Rear bearing consisting of two angular contact ball bearings (B7020E.T.P4S.UL according to FAG), contact angle: α ≥ 25°.

    • Front bearing composed of three angular contact ball bearings (B7022E.T.P4S.UL according to FAG), contact angle: α ≥ 25°.

    • Pulley :

      • pitch diameter: D p ≥ 220 mm...

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