inserted on the motor and tightened. The drive screw is
then inserted into the 8 mm end of the coupler and the
coupler tightened once again.
Slip the motor mount spacer over the screw and
coupler as shown in Figure 6. This spacer will be secured in
place once the assembly is attached to the frame.
The final assembly should look like the one shown in
Figure 7. You will need to
assemble two of these.
Bearing Mount Installation
Use four #6-32 x 1-1/4
machine screws to attach a
bearing mount to the front of the
CNC and secure each screw with a
#10 washer, #6 washer, #6 lock
washer, and #6-32 hex nut as
shown in Figure 8. Finger tighten
only. Repeat the process by
installing the other bearing
mount on the right side of
the CNC as shown in Figure
Drive Nut Installation
Take a #10-24 x 2”
machine screw and add a
#10 washer. Slip them into
the two large holes in the
center of the Y carriage plate
as shown in Figure 10.
From the underside of
the carriage, add four of the
drive nut spacers and the drive nut. Secure each screw with
a #10 washer, #10 lock washer, and a #10-24 hex nut as
shown in Figure 11. Finger tighten only. The drive nut
should look like the one shown in Figure 12.
Repeat the process for the X axis drive nut as shown in
Figure 13. Note that you will need to remove the Z carriage
plate. Place the removed Z carriage and screws in a large
freezer bag as you will not be reinstalling the plate until
Motor Drive Installation
Start the X drive installation by inserting the drive
16 SERVO 08.2016