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108
6 Programming: Programming Contours
Corner Rounding RND
The RND function is used for rounding off corners.
The tool moves on an arc that is tangentially connected to both the
preceding and subsequent contour elements.
The rounding arc must be large enough to accommodate the tool.
ú
Rounding-off radius: Enter the radius of the arc.
Further entries, if necessary:
ú
Feed rate F (only effective in RND block)
Example NC blocks
5 L X+10 Y+40 RL F300 M3
6 L X+40 Y+25
7 RND R5 F100
8 L X+10 Y+5
In the preceding and subsequent contour elements,
both coordinates must lie in the plane of the rounding
arc. If you machine the contour without tool-radius
compensation, you must program both coordinates in
the working plane.
The corner point is cut off by the rounding arc and is not
part of the contour.
A feed rate programmed in the RND block is effective
only in that block. After the RND block, the previous feed
rate becomes effective again.
You can also use an RND block for a tangential contour
approach if you do not want to use an APPR function.
X
Y
40
40
R5
5
10
25
6.4 P
ath Cont
ours — Car
tesian Coor
dinat
es
Gkap6.pm6
30.06.2006, 07:04
108
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Содержание TNC 426 B
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Страница 17: ...Introduction 1 Dkap1 pm6 30 06 2006 07 03 1 www EngineeringBooksPdf com ...
Страница 29: ...Manual Operation and Setup 2 Dkap2_3 pm6 30 06 2006 07 03 13 www EngineeringBooksPdf com ...
Страница 39: ...Positioning with Manual Data Input MDI 3 Dkap2_3 pm6 30 06 2006 07 03 23 www EngineeringBooksPdf com ...
Страница 83: ...Programming Tools 5 Fkap5 pm6 30 06 2006 07 03 67 www EngineeringBooksPdf com ...
Страница 106: ...Fkap5 pm6 30 06 2006 07 03 90 www EngineeringBooksPdf com ...
Страница 107: ...Programming Programming Contours 6 Gkap6 pm6 30 06 2006 07 04 91 www EngineeringBooksPdf com ...
Страница 148: ...Programming Miscellaneous functions 7 Hkap7 pm6 30 06 2006 07 03 133 www EngineeringBooksPdf com ...
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Страница 166: ...Programming Cycles 8 kkap8 pm6 30 06 2006 07 03 151 www EngineeringBooksPdf com ...
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Страница 254: ...Programming Subprograms and Program Section Repeats 9 LKAP9 PM6 30 06 2006 07 04 239 www EngineeringBooksPdf com ...
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Страница 266: ...Programming Q Parameters 10 MKAP10 PM6 30 06 2006 07 04 251 www EngineeringBooksPdf com ...
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Страница 298: ...Test Run and Program Run 11 NKAP11 PM6 30 06 2006 07 04 283 www EngineeringBooksPdf com ...
Страница 312: ...MOD Functions 12 Okap12 pm6 30 06 2006 07 04 297 www EngineeringBooksPdf com ...
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