Sharp SV-4328 Maintenance Manual page 18

PRECISION MACHINE TOOLS
Ver 2 Maintenance Manual
Cautions
1) If the shank is not installed onto the spindle, do not operate the spindle. See the figure below.
If the temperature of the bearing has increased for more than 10%, reduce the rotation speed of the
spindle to 500 and do not carry out the warm-up until the temperature is about 5°C higher than the
room temperature.
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