Hello all; I'm trying to drill a tube in two "X" locations. Right now the program is drilling as if it is a solid piece of material. I would like to speed the "R" plane threw the tube. Tube diameter is 1.660 with .140 wall thickness 6061 T6. 1/4 inch drill.Here is the program;
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N5 O572 ( AXLE WEB DRILL 2 HOLES 1/4 DRILL )
N10 G20
N15 G00 G17 G40 G49 G80 G90 Z0.
N20 T1 M06
N25 G00 G90 G54 X0. Y0. S1070 M03
N30 G43 H1 Z1. M08
N40 G99 G81 R0.1 Z-1.875 F7.1
N45 X-11.312
N60 G80
N65 M05
N70 G91 G00 G28 Z0. M09
N75 G28 X0. Y0.
N80 M30
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Thanks all I just got my machine back working since September 2009. Jerry