Wrong Demension

[AlexLucas01]

I use Fusion 360 in the manucaturing program I use a contour action. and I generate .tap machine code. The extension of Mach3 from Artsoft But all sizes are not correct. A square of 283 by 232 mm and 3 mm high becomes 268 by 195 when I mill the workpiece. What am I doing wrong?

[seth.madore]

There are a couple possible causes to this:

1) You've defined the toolpath as using Cutter Compensation (In Control), but neglected to define the tool size in Mach3.

2) Your machine is losing steps or something mechanical is slipping, causing the effect of "lost steps".

3) You have not defined the toolpath contour correctly..

Can you share your Fusion file as well as the posted .NC code? It's likely that the .tap extension will need to be renamed to a .txt for it to be shared to the forum.

For the Fusion file:
File > Export > Save to local folder, return to thread and attach the .f3d file in your reply

[AlexLucas01]

(UNTITLED VERSIE 3 1700UUR)
(T23 D=2. CR=0. - ZMIN=-3. - FLAT END MILL)
G90 G94 G91.1 G40 G49 G17
G21
G28 G91 Z0.
G90

(2D CONTOUR1)
M5
T23 M6
S5000 M3
G54
M8
G0 X-0.2 Y126.6
G43 Z15. H23
Z5.
G1 Z2. F333.
Z-0.8
G19 G2 Y126.4 Z-1. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-0.8 J0. K0.2
G0 Z5.
X-0.2
G1 Z1. F333.
Z-1.8
G2 Y126.4 Z-2. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-1.8 J0. K0.2
G0 Z5.
X-0.2
G1 Z0. F333.
Z-2.8
G2 Y126.4 Z-3. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-2.8 J0. K0.2
G0 Z15.
G17

M9
G28 G91 Z0.
G90
G28 G91 X0. Y0.
G90
M30

[seth.madore]

This file above does not match the description that you provided in your original post.

Please export and share the Fusion file associated with this NC code.

File > Export > Save to local folder, return to thread and attach the .f3d file in your reply

[AlexLucas01]

(VOOR AUTODESK CONTOUR1)
(T23 D=2. CR=0. - ZMIN=-3. - FLAT END MILL)
G90 G94 G91.1 G40 G49 G17
G21
G28 G91 Z0.
G90

(2D CONTOUR1)
M5
T23 M6
S6000 M3
G54
G0 X-0.2 Y126.6
G43 Z15. H23
Z5.
G1 Z2. F333.
Z-0.8
G19 G2 Y126.4 Z-1. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-0.8 J0. K0.2
G0 Z5.
X-0.2
G1 Z1. F333.
Z-1.8
G2 Y126.4 Z-2. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-1.8 J0. K0.2
G0 Z5.
X-0.2
G1 Z0. F333.
Z-2.8
G2 Y126.4 Z-3. J-0.2 K0. F1000.
G1 Y126.2
G17 G3 X0. Y126. I0.2 J0.
G1 X100.
G2 X101. Y125. I0. J-1.
G1 Y-125.
G2 X100. Y-126. I-1. J0.
G1 X-100.
G2 X-101. Y-125. I0. J1.
G1 Y25.
G2 X-100. Y26. I1. J0.
G1 X-1.
Y125.
G2 X0. Y126. I1. J0.
G3 X0.2 Y126.2 I0. J0.2
G1 Y126.4
G19 G3 Y126.6 Z-2.8 J0. K0.2
G0 Z15.
G17

G28 G91 Z0.
G90
G28 G91 X0. Y0.
G90
M30

[seth.madore · Accepted solution]

Please stop copy/pasting g-code to the forum, the spam filter will quickly move this thread to the spam hold and will be inaccessible by you and I.

Please share your FUSION file, not the posted g-code. Steps to do so:
File > Export > Save to local folder. Return to thread and attach the .f3d file in your reply

[AlexLucas01]

Sorry
That's not my intention. How awkward on the forum.