Approach function APPR PLN
Application
With the NC function APPR PLN, the control approaches the contour on a straight line perpendicular to the first contour element.
Coordinates of the first contour point are programmed with polar coordinates.
Related topics
- APPR LN with Cartesian coordinates
Requirement
- Pole CC
You must define a pole CC before programming with polar coordinates.
Description of function
This NC function encompasses the following steps:
- A straight line from the starting point PS to the auxiliary point PH
- A straight line from the auxiliary point PH to the first contour point PA
Input
11 APPR PLN PR+15 PA-90 LEN+15 RL F300 | ; Linearly and perpendicularly approach the contour |
To navigate to this function:
Insert NC function All functions Path contour APPR APPR PLN
The NC function includes the following syntax elements:
Syntax element | Meaning |
---|---|
APPR PLN | Syntax initiator for a linear approach function perpendicular to the contour |
PR | Polar coordinate radius Entry: absolute or incremental Optional syntax element |
PA | Polar coordinate angle Entry: absolute or incremental Optional syntax element |
LEN | Distance of the auxiliary point PH to the contour Entry: absolute or incremental Optional syntax element |
R0, RL, RR | |
F, FMAX, FZ, FU, FAUTO | |
M |
Note
The Form column allows toggling between the syntaxes for Cartesian and polar coordinate input.
Example APPR PLN
11 L X-5 Y+25 R0 F300 M3 | ; Approach PS with R0 |
12 CC X+50 Y+20 | ; Set the pole |
13 APPR PLN PR+30 PA+180 LEN+10 RL F300 | ; Approach PA with RL; PH to PA; LEN+10 |
14 LP PR+30 PA+125 | ; Complete the first contour element |