GRINDING MOTOR SPINDLES
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Catalog excerpts

GRINDING MOTOR SPINDLES - 1

motor spindle technology GRINDING MOTOR SPINDLES extreme rigidity high quality motors high speed www.tdmspindles.com A world leader in the design, development and manufacturing of high speed precision motor spindles

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GRINDING MOTOR SPINDLES - 2

GRINDING SPINDLES High frequency grinding spindles body diameter D Motor spindles for seat grinding in deep positions designation

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GRINDING MOTOR SPINDLES - 3

SPINDLE SELECTION TDM SAmotor spindle technologyOptimal conditionsAdmissible cutting speed E a. Vt = d ‘ n ‘ n_= m/sec Grinding wheel diameter (d) Corindon 35-60 m/sec CBN 45-120 m/sec cn mm Cutting speed (Vt) Calculation for critical speed and rigiditymotor spindle with grinding wheel extension Critical speedExample of critical speed of the extensions on the base of length and diameterLength of the extension The dimensions of the rotating parts of the motor spindles TDM are calculated to obtain a lower ratio at 0.5 between shaft rotation speed (Vr) and the critical speed (Vcr). Example

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GRINDING MOTOR SPINDLES - 4

TDM SAmotor spindle technologyTDM Spindle nose designation Options Collet taper (a) Clambing nut thread (M) Tool diameter (D) Automatic tool change solutions Application for medium and low speed Holder with collet Option with angle connections Standard straight c°nnecti°ns Sizes available on request A, B, d, L, k, a, b, D, C, M, W Grinding quills

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GRINDING MOTOR SPINDLES - 5

motor spindle technology Special Features Motor cooling Front bearings cooling Rear bearings cooling Coolant supply Optional Sensor for shaft expansion Oil drain Springs preload Wide range of variations and flexibility to ensure customised variants Typical applications

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GRINDING MOTOR SPINDLES - 6

GRINDING SPINDLE TDM SAmotor spindle technologyBelt driven spindles body diam. Grinding wheel flanges spindles type Collets system spindles type

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GRINDING MOTOR SPINDLES - 7

QUALITY High frequency spindles for manual and automatic tool change Size Gauging distance kg-ek Gauging distance: 5 x face hole diameter, max 100 mm Radial rigidity Axial rigidity Measured at not rotating shaft Test Spindle Before delivery, every TDM spindles are completely tested and certificated. Test certificate This document supplied with every TDM spindles contains the measured values of: geometry tolerances, different electric measurement, vibration values, average temperatures. Other measurement conditions and limiting values differing from the TDM test standard can be accommodated....

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GRINDING MOTOR SPINDLES - 8

Device for Grinding spindles Type of Frequency converter Cooling system Complete support units - Cooling system - Frequency converter - Lubrication unit air + oil Basel Zurich motor spindle technology Via Rompada 38 - 6987 Caslano - Lugano - Switzerland

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