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4 p ath cont ours — car tesian coor dinat es – HEIDENHAIN TNC 410 User Manual

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HEIDENHAIN TNC 410

The only effect of CC is to define a position as a circle
center — the tool does not move to the position.

The circle center also serves as the pole for polar
coordinates.

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.

ú

Move the tool to the circle starting point.

ú

Enter the coordinates of the circle center.

ú

Enter the coordinates of the arc end point

ú

Direction of rotation DR

Further entries, if necessary:

ú

Feed rate F

ú

Miscellaneous function M

Example NC blocks

5 CC X+25 Y+25
6 L X+45 Y+25 RR F200 M3
7 C X+45 Y+25 DR+

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

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

Input tolerance: up to 0.016 mm.

X

Y

25

45

25

CC

DR+

DR–

S

E

X

Y

CC

6.4 P

ath Cont

ours — Car

tesian Coor

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