Inverter Speed Control -
Models 2232AC and 2234AC (See Figure 4)
Spindle On Pushbutton Switch
The SPINDLE ON pushbutton (green) is used to start the drive motor. To stop the motor, the pushbutton is pressed (the switch toggles on and off).
Emergency Stop Pushbutton Switch
The
Inverter On Indicator
The INVERTER ON light (red) indicates that the inverter is powered up.
RPM Display
The spindle speed display shows the spindle rpm selected by the spindle control knob (below).
Spindle Speed Knob
The SPINDLE SPEED knob is used to set the desired spindle speed. The speed indicator to the right of the SPINDLE SPEED knob displays the spindle speed setting.
Emergency Stop
Pushbutton Switch
Inverter | RPM Display | ||
On Light | |||
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Spindle Direction | Speed |
Selector | Control |
Drilling Speed Chart Emergency Stop |
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Pushbutton |
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Figure 4: Control Panel (Inverter Speed Control)
Drilling Speed Chart
A DRILLING SPEED CHART is provided on the front panel. The chart can be used to select the speed required for various drill sizes (0.196 inch to 1.000 inch — 5 mm to 25 mm) and materials (steel, cast iron, aluminum, and copper). The chart defines spindle speeds from 300 to 3000 RPM.
Depth Indicator —
All Models (See Figure 5)
A drilling depth indicator is provided on the front of the drill head. The indicator can be set for depths up to 6.5 inches (16.5 mm). A knurled knob is provided at the at the front, underside of the head. Before starting the motor, set the end of the drill against the surface into which the hole is to be drilled. The indicator is zeroed out using the knurled knob. The motor is started and the hole drilled until the indicator
pointer reaches the desired depth.
Depth
Scale
Indicator
Figure 5: Depth Indicator
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