Grizzly G0484 Milling/Drilling, To mill a workpiece, Refer to Choosing Spindle RPM on Page

Milling/Drilling

To mill a workpiece:

1. Learn about the control panel shown on Page

16 and the controls shown in Figure 16.

2. Clamp the workpiece to the milling table, and adjust the headstock to the needed height, depth of cut, and milling path.

Note: For special milling operations, loosen the headstock tilt lock nuts and rotate the headstock to the needed angle (Figure 17).

Note: If you are only milling in one direction, lock the unused table slide in place.

3. Refer to Choosing Spindle RPM on Page

19 to find the best spindle RPM, and then move the headstock levers to the appropriate spindle speed positions.

4. Unlock the headstock levers (Figure 18), and use the lift motor to position the headstock close to the workpiece.

Note: For maximum spindle rigidity while milling, keep the spindle retracted into the headstock as far as possible with the quill headstock lock levers locked and the fine feed lock knob tightened.

—For milling tighten the fine feed lock knob and use the fine feed handwheel and its scale to set the milling depth. Then lock the quill lock lever.

—For drilling, leave the fine feed lock knob loose, and use the quill feed lever handles to draw the quill and drill bit down.

5. Push the green power button.

6. Turn the rotary switch dial to F or R to select the appropriate cutting direction for the type of cutter that you are using.

7. Use the table handwheels or the power feed to move the table so the cutter enters the workpiece slowly. Refer to the power feed manual for power feed operation if required.

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Failure to follow RPM and Feed Rate Guidelines may threaten operator safety from ejected parts or broken tools.

Spindle Scale	Quill Feed Lever
Fine Feed Knob
Quill Lock Lever	Fine Feed Lock Knob

Figure 16. Milling/drilling controls.

Figure 17. Headstock tilt lock.

Figure 18. Headstock lock levers. G0484 Gear Head Mill/Drill