Page 212 - CNC Robotics

Chapter 9 / Motor and Lead Screw Installation

Place the motor mo unt with the lead screw through the ce nter of
the 3/4-inch hole and se lf tap it to the upright. Place a flexible
co up ling on the lead screw a nd insta ll the motor, aligned with the
screw (see Figure 9.22).

Figure 9.22
Motor installed .

Z-axis

The lea d screw bea ring is already installed, as are the nut holder
and the nut. Cut a piece of acme sc rew 14 inches long a nd screw
it th rough the nut and into the bearing. Tighte n the bearing set
screw to hold on to the lead screw. Drill a 3/4- inch ce nter hole
through both sides of a motor mo unt and drill the motor bo lt holes
(see Fig ure 9.23).

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