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User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

User's Manual ISO TNC 360 (260020xx, 280490xx) - heidenhain

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1 Introduction<br />

1.2 Fundamentals of NC<br />

1-10<br />

Example:<br />

Drawings with several relative datums<br />

(according to <strong>ISO</strong> 129 or DIN 406, Part 11; Figure 171)<br />

1225<br />

750<br />

320<br />

0<br />

Example:<br />

0<br />

300±0,1<br />

150<br />

0<br />

-150<br />

325<br />

Coordinates of the point ➀:<br />

X = 10 mm<br />

Y = 5 mm<br />

Z = 0 mm<br />

-250<br />

0<br />

-216,5<br />

-125<br />

450<br />

0<br />

125<br />

216,5<br />

250<br />

700<br />

900<br />

950<br />

216,5<br />

125<br />

0<br />

-125<br />

-216,5<br />

250<br />

-250<br />

The datum of the Cartesian coordinate system is located 10 mm away<br />

from point ➀ on the X axis and 5 mm on the Y axis.<br />

The 3D Touch Probe System from HEIDENHAIN is an especially<br />

convenient and efficient way to find and set datums.<br />

Y<br />

5<br />

Z<br />

1<br />

10<br />

Fig. 1.15: Point ➀ defines the coordinate<br />

system.<br />

X<br />

<strong>TNC</strong> <strong>360</strong>

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