Replacing The Collet - Nakanishi BMS-4020-MQL Series Operation Manual

8.

REPLACING THE COLLET

CAUTION
When installing the collet into the collet nut, be sure to fully engage the latch inside the collet nut
to the groove on the collets outer diameter area. In addition, remember that if the collet is attached
without being engaged with the latch of the collet nut, the collet cannot be removed and this may
cause damage to the collet or the spindle.
（1）Remove the tool according to the section " 7. CHANGING THE TOOL " procedure above and remove collet
nut assembly (Fig. 6).
（2）The collet and collet nut are secured by a groove in the collet and a flange in the collet nut. To remove the
collet hold the collet nut in one hand and push diagonally down on the collet. The collet should be released
(Fig. 7).
（3）To install the collet, hold the collet at a slight angle, and insert it into the collet nut (Fig. 8).
Press the collet in the collet nut by positioning the collet in the collet nut and pressing down on flat surface
(Fig. 7).
Be sure to fully engage the latch inside the collet nut into the groove on the collet's outer circumference area
(Fig. 9).
Collet Nut
Tool
Loosen
Spindle Shaft
Fig. 6
Groove
Latch
Collet
Collet Nut
Fig. 8
Wrench Seat
Collet
DOWN
Collet Nut
Fig. 7
Latch
Fig. 9
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