HEIDENHAIN TNC 310 (286 140) Pilot - Manual (Page 35)

3 5
Drilling Cycles
11 CYCL DEF 204 COUNTERBORE BACK
Q200 = 2 ;SET-UP CLEARANCE
Q249 = +5 ;DEPTH OF COUNTERBORE
Q250 = 20 ;MATERIAL THICKNESS
Q251 = 3.5 ;OFF-CENTER DISTANCE
Q252 = 15 ;TOOL EDGE HEIGHT
Q253 = 750 ;F PRE-POSITIONING
Q254 = 200 ;F COUNTERBORING
Q255 = 0.5 ;DWELL TIME
Q203 = +0 ;SURFACE COORDINATE
Q204 = 50 ;2ND SET-UP CLEARANCE
Q214 = 1 ;DISENGAGING DIRECTN
COUNTERBORE BACK (204)
CYCL DEF: Select Cycle 204 COUNTERBORE BACK
Set-up clearance: Q200
Depth of counterbore: Q249
Material thickness: Q250
Tool edge off-center distance: Q251
Tool edge height: Q252
Feed rate for pre-positioning: Q253
Feed rate for counterboring: Q254
Dwell time at counterbore floor: Q255
Workpiece surface coordinate: Q203
2nd set-up clearance: Q204
Disengaging direction (0/1/2/3/4): Q214
• Danger of collision! Select the disengaging direction that
gets the tool clear of the counterbore floor!
• Use this cycle only with a reverse boring bar!