HEIDENHAIN TNC 426 (280 476) Pilot - Manual (Page 70)

71
SL
Cycles
FLOOR FINISHING (23)
During finishing, the surface is machined parallel to the contour and to
the depth previously entered under ALLOWANCE FOR FLOOR.
CYCL DEF: Select Cycle 23 FLOOR FINISHING
Feed rate for pecking Q11
Feed rate for milling Q12
SIDE FINISHING (24)
Finishing the individual contour elements
CYCL DEF: Select Cycle 24 SIDE FINISHING
Direction of rotation? Clockwise = –1 Q9:
• Clockwise Q9 = –1
• Counterclockwise Q9 = +1
Pecking depth Q10; incremental
Feed rate for pecking Q11
Feed rate for milling Q12
Finishing allowance for side Q14: Allowance for finishing
in several passes
• The sum of Q14 + finishing mill radius must be smaller than
the sums Q3 (Cycle 20) + roughing tool radius!
• Call Cycle 22 ROUGH-OUT before calling Cycle 24!