Sinumerik CYCLE89 Bore 5
In Sinumerik CYCLE89 “Bore 5” cycle, the inwards and the upwards movements are performed at the F value programmed before the cycle call. On reaching the final drilling depth, a dwell time can be effected.
Programming
CYCLE89 (RTP, RFP, SDIS, DP, DPR, DTB)

Parameters
| Parameter | Description |
|---|---|
| RTP | Return plane (absolute) |
| RFP | Reference plane (absolute) |
| SDIS | Safety distance (enter without sign) |
| DP | Final drilling depth/elongated hole depth/slot depth/pocket depth (absolute) |
| DPR | Final drilling depth/elongated hole depth/slot depth/pocket depth relative to reference plane (enter without sign) |
| DTB | Dwell time at final drilling depth (chip breaking) |