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Engraving on a radius using G-code

machinewsi

Plastic
Joined
Jul 26, 2005
Location
Phoenix, Arizona
Hello, this is the first time I felt I had a post worth posting up on this site... so here it goes.

I'm using a Haas VM-3 to put bolt holes in automotive wheel spacers. I had an idea to engrave our company logo/web site along with size information on the spacers. The Haas manual is pretty good at explaining the G-codes for engraving, but only in a straight line. As a practice example, I came up with this;

%
O00167 (TEXT)
M06 T15
G00 X0. Y0.
G90 G54 G00 X0. Y0. S2000 M03
G47 P0 X0. Y2.85 I0. J0.5 R0.05 Z-0.005 F15. E10. (H)
G00 X0. Y0.
G68 R-45.
G47 P0 X0. Y2.85 I0. J0.5 R0.05 Z-0.005 F15. E10. (H)
G69
G54 X0. Y0.
G68 R-90.
G47 P0 X0. Y2.85 I0. J0.5 R0.05 Z-0.005 F15. E10. (H)
G53 G00 G69 Y0. Z0. M05
M30
%

A program like this would work... I guess. But having to go to X0.0 Y0.0 between each letter would be a little tedious to say the least. What I want is for the machine to go from one letter to the next without going to X0.0,Y0.0 between each letter.

Thanks in advance
 
Cool, thank you so much! That helps a ton.

I also emailed the "answer man" at Haas. He informed me that the Haas control does not allow engraving on an arc. So I guess it's math time!! Adding the x0.y0. in the G68 is going to be a big help. Thank you.
 
A free program called DeskEngrave will generate DXF or g-code for TrueType fonts on an arc. Might be what you need.
 
hello, this is the first time i felt i had a post worth posting up on this site... So here it goes.

I'm using a haas vm-3 to put bolt holes in automotive wheel spacers. I had an idea to engrave our company logo/web site along with size information on the spacers. The haas manual is pretty good at explaining the g-codes for engraving, but only in a straight line. As a practice example, i came up with this;

%
o00167 (text)
m06 t15
g00 x0. Y0.
G90 g54 g00 x0. Y0. S2000 m03
g47 p0 x0. Y2.85 i0. J0.5 r0.05 z-0.005 f15. E10. (h)
g00 x0. Y0.
G68 r-45.
G47 p0 x0. Y2.85 i0. J0.5 r0.05 z-0.005 f15. E10. (h)
g69
g54 x0. Y0.
G68 r-90.
G47 p0 x0. Y2.85 i0. J0.5 r0.05 z-0.005 f15. E10. (h)
g53 g00 g69 y0. Z0. M05
m30
%

a program like this would work... I guess. But having to go to x0.0 y0.0 between each letter would be a little tedious to say the least. What i want is for the machine to go from one letter to the next without going to x0.0,y0.0 between each letter.

Thanks in advance

turn on setting 73
 








 
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