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Circular path c around circle center cc, Circle c, 4 p a th cont ours—car te sian coor dinat e s – HEIDENHAIN iTNC 530 (340 420) User Manual

Page 177

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HEIDENHAIN iTNC 530

149

6.4 P

a

th Cont

ours—Car

te

sian Coor

dinat

e

s

Circular path C around circle center CC

Before programming a circular path C, you must first enter the circle
center CC. The last programmed tool position before the C block is
used as the circle starting point.

U

U

U

U

Move the tool to the circle starting point.

U

U

U

U

Coordinates

of the circle center

U

U

U

U

Coordinates

of the arc end point

U

U

U

U

Direction of rotation DR

Further entries, if necessary:

U

U

U

U

Feed rate F

U

U

U

U

Miscellaneous function M

Example NC blocks

Full circle

Enter the same point you used as the starting point for the end point
in a C block.

5 CC X+25 Y+25

6 L X+45 Y+25 RR F200 M3

7 C X+45 Y+25 DR+

The starting and end points of the arc must lie on the
circle.

Input tolerance: up to 0.016 mm (selected with MP7431).

S

E

X

Y

CC

X

Y

25

45

25

CC