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Controls
Review this section to locate and understand how
to use the mill controls and factors for machine
operation.
General Controls
The controls shown in Figure 10 turn the main
machine power ON and OFF, and reverse spindle
direction. Also shown are the locations of the
control panel, spindle height gauge, and the digi-
tal protractor, which will be detailed in their own
sub-sections
Digital Spindle
Height Gauge
Control
Panel
Mini Digital
Protractor
Figure 10. General controls.
A. Fine Feed knob: Raises and lowers the
spindle in fine increments.
B. Spindle Rotation Buttons: When in the
tapping mode, these buttons change spindle
rotation direction. In this mode, spindle
direction can be reversed at any RPM without
having to stop the spindle first.
Model G0720R (Mfg. Since 11/10)
A
B
C
D
E
C. Main Power Switch: Toggles power ON and
OFF to the control panel.
D. Downfeed Handle: Raises and lowers the
spindle in coarse increments.
E. Handwheels: Move the table in the X- and
Y-axis.
Control Panel
The controls shown in Figure 11 start and stop
the spindle, set spindle speed, and adjust the
headstock height.
F
G
H
Figure 11. Control panel overview.
F.
POWER Lamp: Glows when the main power
switch is ON to indicate that all machine
controls are LIVE and ready for use.
G. UP/DOWN Buttons: Raises and lowers the
headstock.
H. RPM Dial: Adjusts spindle speed between
100–1600 RPM or tapping speed between
50–800 RPM.
I.
Spindle Speed Readout: Displays the
spindle speed RPM, direction, and mode.
J.
MILLING & TAPPING Switch: Selects which
mode the machine is in.
K. START Button: Starts the spindle motor for
milling or tapping operations.
L. EMERGENCY STOP Button: Stops the
mill and prevents restarting while it is in
the depressed position. Rotate the button
clockwise to reset it.
I
J
K
L
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