HEIDENHAIN TNC 370 - Page 43

1 Introduction
d
1.2 Fundamentals of NC
Example:
Workpiece drawing with dimensional coordinates
(according to IS0 129 or DIN 406, Part 11; Figure 179)
Yl
L
Coardinate
origin
1 1
1 1.1
1 1.2
1 1.3
1 2
1 3
2 2.1
2 2.2
2 2.3
3 3.1
3
3.2
3 3.3
3 3.4
3 3.5
3
3.6
3 3.7
3 3.8
3 3.9
3 3.10
3 3.11
3
3.12
0 0
325 320
900 320
950 750
450
750
700 1225
-300
150
-300 0
-300 -150
cm
WY2
&mm nsin n
dinate
I
i
250 0”
250 30"
250 60"
250 90"
250 120"
250 150"
250 180"
250 210"
250 240"
250 270"
250
300"
250 330"
n
d
0 120 H7
0 120 H7
0 200 H7
0 200 H7
0 400 H8
0 50 HI1
0 50 HI1
0 50 HI1
0 26
0 26
0 26
0 26
0 26
0 26
0 26
0 26
0 26
0 26
0 26
0 26
.-.--
-
4
4
-
1-24
TNC 370