HEIDENHAIN TNC 426 B User Manual page 211

Table of Contents

Advertisement

Set-up clearance Q6 (incremental value):
Distance between tool tip and workpiece surface
Clearance height Q7 (absolute value): Absolute height
at which the tool cannot collide with the workpiece
(for intermediate positioning and retraction at the end
of the cycle)
Inside corner radius Q8: Inside „corner" rounding
radius; entered value is referenced to the tool
midpoint path
Direction of rotation ? Clockwise = -1 Q9: Machining
direction for pockets
Clockwise (Q9 = -1 up-cut milling for pocket
and island)
Counterclockwise (Q9 = +1 climb milling for pocket
and island)
You can check the machining parameters during a program
interruption and overwrite them if required.
Example NC blocks:
57
Y L DEF 20.0
ONTOUR DATA
Q1=-20
;MILLING DEPTH
Q2=1
;TOOL PATH OVERLAP
Q3=+0.2
;ALLOWAN E FOR SIDE
Q4=+0.1
;ALLOWAN E FOR FLOOR
Q5=+0
;SURFA E
Q6=+2
;SET-UP
Q7=+50
; LEARAN E HEIGHT
Q8=0.5
;ROUNDING RADIUS
Q9=+1
;DIRE TION OF ROTATION
196
www.EngineeringBooksPdf.com
OORDINATE
LEARAN E
Z
Q10
Q5
8 Programming: Cycles
Q6
Q7
Q1
X

Advertisement

Table of Contents
loading

Table of Contents