HEIDENHAIN iTNC 530 (340 49x-03) Pilot - Manual (Page 52)

52
Cyc
les for Drilling, Tappi
n
g and
Thread Mi
lling
BACK BORING (Cycle 204)
8 CYCL DEF: Select Cycle 204 COUNTERBORE BACK
8 Set-up clearance: Q200
8 Depth of counterbore: Q249
8 Material thickness: Q250
8 Tool edge off-center distance: Q251
8 Tool edge height: Q252
8 Feed rate for pre-positioning: Q253
8 Feed rate for counterboring: Q254
8 Dwell time at counterbore floor: Q255
8 Workpiece surface coordinate: Q203
8 2. Set-up clearance: Q204
8 Disengaging direction (0/1/2/3/4): Q214
8 Angle for oriented spindle stop: Q336
„
The TNC and the machine tool must be specially prepared
by the machine tool builder for the use of the
COUNTERBORE BACK Cycle.
„ This cycle requires a position-controlled spindle.
„ Danger of collision! Choose a disengaging direction that
moves the tool away from the counterbore floor.
„ Use this cycle only with a reverse boring bar.
X
Z
Q250
Q203
Q204
Q249
Q200
Q200
X
Z
Q255
Q254
Q214
Q252
Q253
Q251