Operation Manual

HEIDENHAIN CNC PILOT 4290 149
4.6 Basic Contour Elements
B Chamfer/rounding. Defines the transition to the next contour
element. When entering a chamfer/rounding, program the
theoretical end point.
 No entry: Tangential transition
 B=0: No tangential transition
 B>0: Rounding radius
 B<0: Chamfer width
E Special feed rate for the chamfer/rounding arc during the
finishing cycle (default: 1)
Special feed rate = active feed rate * E (0 < E <= 1)
Programming X, Z: Absolute, incremental, modal or “?”
Parameters