HEIDENHAIN SW 68894x-02 - Manual (Page 459)

HEIDENHAIN CNC PILOT 640 459
5.15 Cont
ours in the YZ plane
Hole in YZ plane
This hole defines a single hole that can contain the following elements:
 Centering
 Core hole
 Countersink
 Thread
You can find the reference diameter XR with the "select reference
plane" function (see page 411).
ICP generates:
 The section code SURFACE_Y with the reference diameter and
spindle angle. The section code is omitted for nested contours.
 A G308 with the parameters contour name and milling depth
(-1*BT).
 A G380 with the parameters of the figure.
 A G309.
Reference data of hole
ID
Contour name
C Spindle angle
XR Reference diameter
Parameters of the hole
YM, ZM
Center of hole
Centering
O
Diameter
Hole
B
Diameter
BT Depth
W Angle
Countersink
R
Diameter
U Depth
E Sinking angle
Thread
GD
Diameter
GT Depth
K Run-out length
F Thread pitch
GA Thread type (right-hand/left-hand)
 0: Right-hand thread
 1: Left-hand thread