8 Programming: Cycles
8.7 Cy
cles f
o
r multipass milling
U
4th point in 1st axis
Q234 (absolute value):
Coordinate of point
4
in the reference axis of the
working plane
U
4th point in 2nd axis
Q235 (absolute value):
Coordinate of point
4
in the minor axis of the working
plane
U
4th point in 3rd axis
Q236 (absolute value):
Coordinate of point
4
in the tool axis
U
Number of cuts
Q240: Number of passes to be made
between points
1
and
4
,
2
and
3
.
U
Feed rate for milling
Q207: Traversing speed of the
tool in mm/min while milling. The TNC performs the
first step at half the programmed feed rate.
Example: NC blocks
72 CYCL DEF 231 RULED SURFACE
Q225=+0 ;STARTNG PNT 1ST AXIS
Q226=+5 ;STARTNG PNT 2ND AXIS
Q227=-2 ;STARTING PNT 3RD AXIS
Q228=+100 ;2ND POINT 1ST AXIS
Q229=+15 ;2ND POINT 2ND AXIS
Q230=+5 ;2ND POINT 3RD AXIS
Q231=+15 ;3RD POINT 1ST AXIS
Q232=+125 ;3RD POINT 2ND AXIS
Q233=+25 ;3RD POINT 3RD AXIS
Q234=+15 ;4TH POINT 1ST AXIS
Q235=+125 ;4TH POINT 2ND AXIS
Q236=+25 ;4TH POINT 3RD AXIS
Q240=40 ;NUMBER OF CUTS
Q207=500 ;FEED RATE FOR MILLING
Summary of Contents for TNC 426
Page 3: ......
Page 4: ......
Page 8: ...IV...
Page 10: ...VI...
Page 26: ......
Page 27: ...1 Introduction...
Page 41: ...2 Manual Operation and Setup...
Page 54: ......
Page 55: ...3 Positioning with Manual Data Input MDI...
Page 59: ...4 Programming Fundamentals of NC File Management Programming Aids Pallet Management...
Page 122: ......
Page 123: ...5 Programming Tools...
Page 153: ...6 Programming Programming Contours...
Page 201: ...7 Programming Miscellaneous functions...
Page 226: ......
Page 227: ...8 Programming Cycles...
Page 366: ......
Page 367: ...9 Programming Subprograms and Program Section Repeats...
Page 381: ...10 Programming Q Parameters...
Page 424: ......
Page 425: ...11 Test run and Program Run...
Page 443: ...12 MOD Functions...
Page 472: ......
Page 473: ...13 Tables and Overviews...
Page 496: ......