Sinumerik CYCLE86 Bore 2: Precise Drilling & Rapid Return
Sinumerik CYCLE86 Bore 2
In the CYCLE86 “Bore 2” cycle, an oriented spindle stop is performed on reaching the drilling depth. The tool then travels at rapid traverse to the programmed return positions and from there to the return plane.
CYCLE86 cycle can only be used if the spindle designated for drilling is technically capable of operating in the position controlled spindle mode.
Programming
CYCLE86 (RTP, RFP, SDIS, DP, DPR, DTB, SDIR, RPA, RPO, RPAP, POSS)
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) |
| SDIR | Direction of rotation Values: 3 (for M3) 4 (for M4) |
| RPA | Return path in abscissa of the active plane (enter incrementally with sign) |
| RPO | Return path in the ordinate of the active plane (enter incrementally with sign) |
| RPAP | Return plane in the applicate (enter incrementally with sign) |
| POSS | Spindle position for oriented spindle stop in cycle (in degrees) |
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