214 8 Programming: Cycles
8.3 Cycles for Drilling, Tapping and Thread Milling
REAMING (Cycle 201)
1 The TNC positions the tool in the tool axis at rapid traverse FMAX
to the programmed setup clearance above the workpiece surface.
2
The tool reams to the entered depth at the programmed feed rate F.
3 If programmed, the tool remains at the hole bottom for the entered
dwell time.
4 The tool then retracts to set-up clearance at the feed rate F, and
from there — if programmed — to the 2nd set-up clearance in
FMAX.
X
Z
Q200
Q201
Q206
Q211
Q203
Q204
Q208
Before programming, note the following:
Program a positioning block for the starting point (hole
center) in the working plane with radius compensation R0.
The algebraic sign for the cycle parameter DEPTH
determines the working direction. If you program DEPTH
= 0, the cycle will not be executed.
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