ECS G81/3 – 3 Layers Drilling
With this cycle it is possible to drill holes defining two zones where the bit will advance at different feeds ( normally lower) than the one programmed with the F… instruction.
The cycle Data Entry is activated, in MDI and Edit modes, through this keys sequence: 
Programming
G81 <ENT=..> <RAP=..> <RAL=..> <SF1=..> <FE1=..> <SF2=..> <FE2=..>
Parameters
| Parameter | Description |
|---|---|
| ENT | Depth quote |
| RAP | Quote reached in rapid at the beginning of cycle |
| RAL | Quote reached in rapid at the end of the cycle |
| SF1 /SF2 | Quotes used to define the 2 zones where the bit will change the Feed. |
| FE1 | Feed [mm/min] used into the zone SF1 |
| FE2 | Feed [mm/min] used into the zone SF2 |
