HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 58)

59
Pockets, Studs, and Slots
CIRCULAR POCKET MILLING (5)
This cycle requires either a center-cut end mill (ISO 1641) or
pilot drilling at pocket center!
The tool must be pre-positioned over the center of the slot with tool
radius compensation R0
CYCL DEF: Select cycle 5
Set-up clearance: A
Milling depth (depth of the pocket): B
Pecking depth: C
Feed rate for pecking
Circle radius R (radius of the pocket)
Feed rate
Rotation clockwise: DR–
Climb milling with M3: DR+
Up-cut milling with M3: DR–
17 CYCL DEF 5.0 CIRCULAR POCKET
18 CYCL DEF 5.1 SET UP 2
19 CYCL DEF 5.2 DEPTH -12
20 CYCL DEF 5.3 PECKG 6 F80
21 CYCL DEF 5.4 RADIUS 35
22 CYCL DEF 5.5 F100 DR+
23 L Z+100 R0 FMAX M6
24 L X+60 Y+50 FMAX M3
25 L Z+2 FMAX M99