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Messages - ger21

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6141
Put Mach3 on the second port.

6142
Try using a Printer A-B switch.

6143
General Mach Discussion / Re: dell optiplex
« on: August 12, 2006, 03:28:45 PM »
Xylotex.

6144
General Mach Discussion / Re: dell optiplex
« on: August 12, 2006, 11:44:43 AM »
I bought a GX100 from Ebay for $40 and it works fine. P3 1.1Ghz.

6145
I don't think so. All the supported codes are in the manual.

http://www.machsupport.com/documentation/M3M1_84-A2.pdf

6146
Just a series of G2 or G3's. Here's a 1/4" hole using a 1/8" tool. 1/8" depth of cut perr pass. 1/2" deep.

G0 Z0.1250
G0 X0.1250 Y0.1875 Z0.1250
G1 X0.1250 Y0.1875 Z0.0000 F10
G2 X0.1250 Y0.1875 Z-0.1250 I0.0000 J-0.0625 F20
G2 X0.1250 Y0.1875 Z-0.2500 I0.0000 J-0.0625
G2 X0.1250 Y0.1875 Z-0.3750 I0.0000 J-0.0625
G2 X0.1250 Y0.1875 Z-0.5000 I0.0000 J-0.0625
G2 X0.1250 Y0.1875 Z-0.5000 I0.0000 J-0.0625
G0 X0.1250 Y0.1875 Z0.1250
G0 Z0.25

6147
General Mach Discussion / Re: Problem in sharp corners
« on: August 06, 2006, 09:22:56 AM »
That's a function of Constant Velocity mode. If you need sharp corners, use Exact Stop mode.

6148
G-Code, CAD, and CAM discussions / Re: G42 problem
« on: August 03, 2006, 07:54:59 AM »
  Should the last cut then remove the small angle since it is going back to the center of the green circle???? 

No, the last cut does not go back to the green circle. You need to start your cut farther to the right and overlap slightly, or enter and exit using tangent arcs at the same point and apply the comp before you get to the entry arc.

6149
G-Code, CAD, and CAM discussions / Re: G42 problem
« on: August 02, 2006, 08:05:52 PM »
N40    X0.5817 Y0.5729
N45 M3 S100
N50    Z0.1000
N55 G1 Z-0.2500  F3.00
N56 G42 p0.125
N60    Y0.4004  F10.00
N65    X0.2129

It appears to me to be working exactly as it should. It's not combining the moves. I think you don't understand how the advanced comp works in Mach.

When you use comp, at the position prior to the G42, the center of the tool is at that position, in this case X .5817 Y .5729 is the center of the tool. As the tool begins to move, it moves to a postion where the tool edges are tangent to the next two moves. Imagine drawing an angle through your 3 points.

X .5817 Y.5729
X .5817 Y .4004
X .2129 Y .4004

After the comp, the tool is tangent to the 2 sides of the angle.

I did a sample drawing. The blue circle is the tool before the G42. Red line is the g-code without the comp, which is what Mach displays. Green line is the actual comped path. The first angled move is the G1 Y.4004 move. As the comp is applied, the tool moves to the tangent point of that move and the next move. Notice how it's tangent to the red line.

This is exactly how it's supposed to work. If you want the tool to start on your part at the same place it ends, you'll need to apply the comp one move sooner.

6150
General Mach Discussion / Re: Mach 3 and meshcam
« on: July 29, 2006, 09:07:52 AM »
Your using the demo of Mach3 which can only run 1000 lines of code. It's only showing you the first 1000 lines of g-code.

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