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2 2 path functions – HEIDENHAIN TNC 310 (286 140) Pilot User Manual

Page 22

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2 2

Path Functions

Arcs

1

and

2

Arcs

3

and

4

Circular Path with Known Radius (CR)

Coordinates of the arc end point

Radius R

If the central angle ZW > 180, R is negative.

If the central angle ZW < 180, R is positive.
Direction of rotation DR

10 L X+40 Y+40 RL F200 M3

Arc starting point

11 CR X+70 Y+40 R-20 DR-

Arc

3

or

11 CR X+70 Y+40 R-20 DR+

Arc

4

10 L X+40 Y+40 RL F200 M3

Arc starting point

11 CR X+70 Y+40 R+20 DR-

Arc

1

or

11 CR X+70 Y+40 R+20 DR+

Arc

2

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