How to Set Z External Shift

Switch to the quarter-inch end mill (T1)

Use MDI to touch off T1 

Use MDI to turn on the spindle to 2000 RPM

1. Select [MDI]

2. Click [MONITOR]

3. Click [MDI INPUT]

4. Type M03 S2000

5. Click [OK] then [Cycle Start]

Select [MAIN]

Click [BRUSH UP]

Turn the Vacuum on

Switch to [JOG] or [MPG] and slowly approach the spoil board until it is barely touching

1. Movements in X or Y can confirm contact with the spoil board

Select [OFFSET SETTINGS] then [TOOL SET]

Subtract the Length(H) Geometry of Tool 1 from the Machine Z Value

Use the [<<] button to return to the [OFFSET SETTINGS] 

Enter the calculated value into the Z value for External Shift

To confirm the Z offset was correctly set use [MDI] to first Turn Off the Spindle (M05), then Execute the following lines of code:

1. G54 G90
   G01 X0. Y0. Z1. F25.

At this point, the quarter-inch End Mill should be 1 inch above the spoil board