use the descriptions in this section and the con-
trols shown in figure 16 to quickly understand the
functions of the tailstock controls.
figure 16. tailstock controls.
Quill Lock Lever
secures the quill in a locked or pre-loaded posi-
Tailstock Lock Lever
Clamps the tailstock in place for general position
locking along the lathe bed.
Allows the tailstock to be locked in place using a
" drive torque wrench to control amount of draw-
down alignment with the spindle centerline.
Advances or retracts the quill in the tailstock
at a 1:1 ratio with the micrometer scale on the
displays quill travel in increments of 0.001" with
a total rotation value of 0.100", (for every full rota-
tion of the handwheel, the quill moves
tailstock quill is broken down with an inch scale up
to 4" and a metric scale up to 100mm.
tailstock lock lever
When pressed, the brake pedal (see figure 17)
actuates mechanical linkage that expands brake
shoes within the spindle drive pulley and stops
the lathe spindle. At the same time the motor
power supply circuit is cut by a linkage-controlled
limit switch. to resume lathe operations after the
brake has been used, return the spindle on/oFF
lever to the central position, and all lathe controls
become "live" again.
Brake shoes and linkage
figure 17. spindle brake system.
Model G0709 (Mfg. Since 5/11)