Spindle Speed - Grizzly G4000 Owner's Manual

C-Type Tool Holder
Tools Needed
Wrench 13mm ................................................... 1
To use the C-type tool holder:
1.
disConnECt LAthE FroM poWEr!
2.
remove the 4-way tool post from the com-
pound slide.
3.
replace the beveled pin from the compound
slide with the 8 x 20mm pin (see figure 40).
figure 40. C-type tool holder components.
4. slide the tool holder base onto the tool post
bolt, then rotate it until the pin is inserted into
the base indent.
5.
thread the M8-1.25 x 30 hex bolt into the
holder top, slide the top onto the tool post
bolt, then secure the tool with the M8-1.25
hex nut (see figure 41).
Note: Thread the hex bolt up or down to
make sure the holder top is level and makes
even contact with the tool.
hex
Bolt
holder
top
figure 41. Cutting tool properly installed in the
C-type tool holder.
-32-
Qty
the spindle speed is controlled by belts and pul-
leys inside the change gear cover (see figure 42).
tool
holder
Base
8 x 20mm
pin
to set the correct spindle speed for your opera-
tion, you will need to: 1) determine the spindle
speed (rpM) needed for your operation, and 2)
configure the spindle belt on the pulleys for the
calculated speed.

Spindle Speed

figure 42. Belts and gears inside the change
gear cover.
The gears, pulleys, and
belts inside the change
gear
severe entanglement haz-
ards. ALWAyS discon-
nect the lathe from power
before opening the change
gear cover.
Model G4000 (Mfg. Since 8/09)
cover represent