Coarse Feed Operation
Pull the fine-feed clutch knob outward while slowly rotating the drill press
handles back and forth. Once the knob is pulled out, the drill press handles can
be used for coarse feeding by rotating the handles clockwise to feed into the
workpiece and counter clockwise to feed away from the workpiece.
Fine Feed Operation
Push the fine-feed clutch knob inward while slowly rotating the drill press
handles to engage the fine feed. Turning the fine-feed handwheel allows for
slow and precise movement of the spindle up or down. The dial behind the
handwheel indicates the amount of vertical movement. The dial is calibrated in
0.001”
There is no powerfeed available for vertical movement of the mill spindle.
Cross-Slide Table and Carriage Assembly
In milling, the crossfeed table and carriage assembly feed the workpiece into
the rotating cutter. In lathe work, the same mechanisms move the tool into the
rotating workpiece.
Cross-Slide Table
The cross-slide table is moved laterally by rotating the cross-slide handwheel.
Rotate the handwheel clockwise to move the cross-slide table away from the
Figure 7.2 Mill/Drill Press Clutch pulled out, engaging the Drill Press
Figure 7.3 Mill/Drill Clutch pushed in engaging the Fine Feed
Granite 1300 Series Operator’s Manual
7-3
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