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Messages - BR549

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3461
General Mach Discussion / Re: digitizing
« on: December 02, 2012, 08:04:15 PM »
You could use the exterior probing array to gather the outside profile and add it to the output of the Bed or nails routine to gather all the data. Just do not reset up the part to be probed between routines so the origin stays the same.

That would give you the outside profile and the displacement of the 3d portion of the grip.

Just a thought, (;-) TP

3462
General Mach Discussion / Re: Mach3 Turn
« on: December 02, 2012, 07:58:59 PM »
Hood is Scottish he would have to be KING. (;-)

KING HOOD that has a nice ring to it.

(;-)TP

3463
General Mach Discussion / Re: x & Y speed requirements
« on: December 02, 2012, 07:55:50 PM »
Too late to worry about spec NOW that the machine is on its way. With  2x2 table and a lite gantry you may be fine.



(;-) TP

3464
General Mach Discussion / Re: x & Y speed requirements
« on: December 02, 2012, 05:08:12 PM »
MAX 400+ IPM for XY.     THe important test of your system will be ACCELLERATION.  The faster the better or you may experience corner rounding.

ALSO the slower the accel the slower the machine will top out at when running.  In short segments the accel will limit how fast the machine will move. This will effect cut quality as the plasma is very dependant on constant vel for quality of cut.

With any normal size plasma table nema 23 will be tough to make work well. EVEN the Z will need to move very fast and accel very fast to properly allow the THC to keep up.

Just a thought, (;-) TP

3465
General Mach Discussion / Re: Lost password.
« on: December 01, 2012, 09:25:05 PM »
Try Mach1pass

(;-) TP

3466
General Mach Discussion / Re: digitizing
« on: December 01, 2012, 08:57:28 PM »
The process starts with digitizing the grip in as many ways as it takes to get a complete profile of the part. That will give you a point file(point cloud) then it has to be converted into a STL or 3d profile. Then that is converted into a 3d g code cut file with a CAM that can do 3d work.

Then you cut a new Part and verify it is what you need.

There are ONLY a couple of digitizing routines available for mach3 

Just a thought, (;-) TP

3467
General Mach Discussion / Re: Tool and Work Offset questions
« on: December 01, 2012, 12:42:03 PM »
OK I'll Bite, IF you do not change the Z in the fixture nothing changes with the Z offset correct ? With a fixture you can also have G92 running an offset and it still holds true after a Fixture change with G10L2.

OR have I missed something ?

(;-) TP


3468
General Mach Discussion / Re: Tool and Work Offset questions
« on: November 30, 2012, 11:43:20 PM »
HIYA DAVE I see noone has answered you yet so I will take a swing at it.

First the code you have will not LOAD as is.  Mach3 will error with a note about teh P values being out of range. Mach3 is limited to 255 fixture offsets.

Next the Sub program order is not correct. The M30 HAS to be at teh tale end of the code string BUT in front of the sub itself. You will get anerror as is about a sub return call with no sub in effect.

Try it this way. It will load and run

%
(Multi Bridge Program)
(Cuts 12 bridges in an array: 3 in Y  by  4 in X)
G17 G20 G64 F100
(Setup Work Offset Coordinate Systems)
G10 L2 P101  X-27.5 Y4.0
G10 L2 P102  X-27.5 Y12.0
G10 L2 P103  X-27.5 Y20.0
G10 L2 P104  X-30.0 Y4.0
G10 L2 P105  X-30.0 Y12.0
G10 L2 P106  X-30.0 Y20.0
G10 L2 P107  X-32.5 Y4.0
G10 L2 P108  X-32.5 Y12.0
G10 L2 P109  X-32.5 Y20.0
G10 L2 P110 X-35.0 Y4.0
G10 L2 P111 X-35.0 Y12.0
G10 L2 P112 X-35.0 Y20.0

(Cut 12 bridges referencing subroutine P12345)
G59 P101  (P101)
M98 P12345
G59 P102  (P102)
M98 P12345
G59 P103  (P103)
M98 P12345
G59 P104  (P104)
M98 P12345
G59 P105  (P105)
M98 P12345
G59 P106  (P106)
M98 P12345
G59 P107  (P107)
M98 P12345
G59 P108  (P108)
M98 P12345
G59 P109  (P109)
M98 P12345
G59 P110  (P110)
M98 P12345
G59 P111  (P111)
M98 P12345
G59 P112  (P112)
M98 P12345
M5
M30

(Define subroutine program to cut 1 part.  Normally there a zillion lines below; this just marks the utline.)

O12345
G0 X0.0 Y0.0 Z0.1
M3 S5000
G0 X0.0 Y-3.5
G1 Z-0.1 F500
Y3.5
X1.5
Y-3.5
X0.0
G0 Z0.1
M99 


NOW as to the tooPath display (;-)  It is a glitch in the original toolPath code.  It will SHOW the complete pathing BUT when tht ecode starts to run it only shows the original starting OFFSET toolpath. Then as you apply the next offset XY ZERO gets moved to another spot BUT the toolpathing still sees it starting on X0Y0 again so the display repeats the original path. It does NOT know that the XOYO had been moved as it still starts at XOYO.

The machine WILL cut correctly.

Hope that helps, (;-)TP

3469
General Mach Discussion / Re: Quick Mach 3 digitizing probe question
« on: November 30, 2012, 07:42:53 PM »
Yes Mach3 can do the BED OF NAILS approach to probing. There should be a WIZARD to set it up .

(;-)TP

3470
YEP BLind as a bat on a foggy night.

(;-)TP

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