Nakanishi EMA - 3020K Operation Manual page 8

CAUTION
・ When installing a Brushless Motor Spindle, do not hit, drop or cause shock to the Brushless Motor
Spindle. This may cause damage to internal components and result in malfunctions.
・ When mounting the Brushless Motor Spindle, be sure to secure within Clamping Area etched on
the Brushless Motor Spindle O.D. If the Brushless Motor Spindle is installed incorrectly, damage to
the internal components is possible.
・ Cautions when tightening the securing bolts on to a Split Type Holder
Do not over-tighten the bolt. This will cause damage to Brushless Motor Spindle's precision.
Tighten the bolt until the Brushless Motor Spindle body can not be rotated by hand within the ¿xture.
Extreme tightening is not necessary or recommended.
Apply working force and check that the Brushless Motor Spindle is tight before using.
① When mounting a Brushless Motor
Spindle, refer to the Clamping Area
etched on the Brushless Motor
Spindle (Fig. 13).
* When installing the Brushless Motor
Spindle, it is recommended to use a
" GR - 30 Grip Ring (sold separately
(Fig. 14)) ". If the GR - 30 Grip Ring
cannot be used due to the restriction
of dimension and space, install as
shown in ② below.
② When installing a Brushless Motor Spindle to the holder, recommended installation method is shown Fig 15.
Refer to " ③ How to fabricate the Split Type Holder ". If this is not possible, install as shown in Fig. 16.
8
Fastening Bolt Fastening Bolt
Slit
Spacer
Split Type Holder
Fig. 15
CLAMPING AREA
45
(Clamping Area)
CLAMPING AREA
Bushing Split
Fastening Bolt
Bushing with Slit
Fig. 16
71.6
Fig. 13
Grip Ring (Sold Separately)
Fig. 14
Fig. 17