HEIDENHAIN TNC 407 (280 580) User Manual - Manual (Page 159)

TNC 425/TNC 415 B/TNC 407 5–60
5 Programming Tool Movements
5.6 Contours – FK Free Contour Programming
Example 2 for exercise in FK free contour programming
Part program
0 BEGIN PGM FKEXAMP2 MM
1 BLK FORM 0.1 Z X+0 Y+0 Z–20
2 BLK FORM 0.2 X+100 Y+100 Z+0
3 TOOL DEF 1 L+0 R+5
4 TOOL CALL 1 Z S1000
5 L Z+100 R0 F MAX M6
6 APPR CT X+0 Y+30 Z–10
CCA90 R+20 RR F100 M3
7 FPOL X+30 Y+30
8 FC DR– R30 CCX+30 CCY+30
9 FL AN+60 PDX+30 PDY+30 D+10
10 FSELECT 3
11 FC DR– R20 CCPR+55 CCPA+60
12 FSELECT 2
13 FL AN–120 PDX+30 PDY+30 D+10
14 FSELECT 3
15 FC X+0 Y+30 DR– CCX+30 CCY+30
16 FSELECT 2
17 DEP CT CCA180 R+10 F100
18 L Z+100 R0 F MAX M2
19 END PGM FKEXAMP2 MM
Program block Contour element Known data FK input
7 FPOL • Cartesian coordinates X,Y
8 Circular arc FC • Direction of rotation DR
• Radius R
• Cartesian circle center coordinates CCX, CCY
9 Straight line FL • Gradient angle AN
• Auxiliary point outside of a PDX, PDY
straight line
• Distance straight line - aux. point D
11 Circular arc FC • Direction of rotation DR
• Radius R
• Polar circle center coordinates CCPA, CCPR
13 Straight line FL • Gradient angle AN
• Auxiliary point outside of a
straight line PDX, PDY
• Distance straight line - aux. point D
15 Circular arc FC • Cartesian coordinates of the
end point X, Y
• Direction of rotation DR
• Cartesian circle center coordinates CCX, CCY
X
Y
60
°
55
6
15
9
11
8
13
100
30
100 30
20
R20