Approach function APPR LT
Application
With the APPR LT NC function, the control approaches the contour on a straight line tangential to the first contour element.
Coordinates of the first contour point are programmed with Cartesian coordinates.
Related topics
- APPR PLT 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 LT X+20 Y+20 LEN15 RR F300 | ; Approach the contour on a tangential linear path |
To navigate to this function:
Insert NC function All functions Path contour APPR APPR LT
The NC function includes the following syntax elements:
Syntax element | Meaning |
---|---|
APPR LT | Syntax initiator for a linear approach function tangential to the contour |
X, Y, Z, A, B, C, U, V, W | Coordinates of the first contour point Fixed or variable number Entry: absolute or incremental Optional syntax element |
LEN | Distance of the auxiliary point PH to the contour Fixed or variable number 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 LT
11 L X+40 Y+10 R0 F300 M3 | ; Approach PS with R0 |
12 APPR LT X+20 Y+20 Z-10 LEN15 RR F100 | ; Approach PA with RR, distance PH to PA: LEN15 |
13 L X+35 Y+35 | ; Complete the first contour element |