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Messages - Graham Waterworth

1831
General Mach Discussion / CNC Building Blocks ?
« on: November 21, 2007, 04:03:24 AM »
Has anybody had contact with these people, all there emails are bouncing.

Graham.

1832
General Mach Discussion / Re: mach 2 free down load
« on: November 20, 2007, 04:19:27 AM »
To get the full functions for Mach2 you need a licence file, Mach3 is much better and you can down load the trial version of that too.

Graham.

1833
Video P*r*o*b*i*n*g / Re: Driver Installation question
« on: November 18, 2007, 02:30:00 PM »
I could only get it to work right with version 2.60, my previous version 2.58 gave the same error as you are getting.

It must also be stored in the C:\Mach folder.

Graham.

1834
General Mach Discussion / Re: Program will not run
« on: November 17, 2007, 03:19:28 AM »
Do you have the feed rate down at zero?

Graham.

1835
General Mach Discussion / Re: Cutting Circles
« on: November 16, 2007, 06:15:43 AM »
Turn off backlash comp on Mach and restart Mach.

Now if you put a pen/pencil (not a felt marker type) in the spindle and draw a circle with it (code below). Do you still get an error in the circle?

G20 G40
G00 G90 X1. Y0 Z1.
Z.05
G01 Z0 F1.
G03 I-2. F10.
G00 Z1.
M30

If you say you have no backlash then it must be movement under load, the pen will have no load so should draw a perfect circle.

If the circle is still wrong, then you have got backlash.

Graham.

1836
G-Code, CAD, and CAM discussions / Re: Alignment problem
« on: November 15, 2007, 01:50:19 PM »
If some are correct and some are wrong then it is a program fault or cutter push, this can not be compensated for using cutter comp as the comp is applied all over the part(s)

Try changing the feed rates and/or the order in which the cuts are done.  You may need to leave tabs at the end of the combs and take them out last.

Graham.

1837
G-Code, CAD, and CAM discussions / Re: Alignment problem
« on: November 15, 2007, 04:43:32 AM »
OK, I have had a 2nd look and the code needed a little adjustment at the start.

Graham.

%
(Rout Combs)
G20 G40
G0 G90 Y0 X0 Z.25

G52 X.35 Y.3

M98 P1234
G52 X.35 y1.1
M98 P1234
G52 X.35 Y1.9
M98 P1234
G52 X.35 Y2.7
M98 P1234
G52 X.35 Y3.5
M98 P1234
G52 X.35 Y4.3
M98 P1234
G52 X.35 Y5.1
M98 P1234
G52 X.35 Y5.9
M98 P1234
G52 X.35 Y6.7
M98 P1234
G52 X.35 Y7.5
M98 P1234
G52 X.35 Y8.3
M98 P1234
G52 X.35 Y9.1
M98 P1234
G52 X.35 Y9.9
M98 P1234
M30

O1234 (Sub routine for routing combs)
G00 X.352 Y.500 Z.25
G01 Z0 F20
X1.102
X1.132 Y.900
X1.252
X1.282 Y.500
X1.402
X1.432 Y.900
X1.552
X1.582 Y.500
X1.702
X1.732 Y.900
X1.852
X1.882 Y.500
X2.002
X2.032 Y.900
X2.152
X2.182 Y.500
X2.302
X2.332 Y.900
X2.452
X2.482 Y.500
X3.482
Z0.25
G52 X0 Y0
M99
%

1838
G-Code, CAD, and CAM discussions / Re: Alignment problem
« on: November 14, 2007, 12:30:56 PM »
It is the way Mach draws the sub, the program will be ok.

Graham.

1839
General Mach Discussion / Re: Cutting Circles
« on: November 13, 2007, 03:29:28 PM »
What diameter is your circle and how long are the flats?

Graham.

1840
G-Code, CAD, and CAM discussions / Re: A Axis
« on: November 08, 2007, 11:10:31 AM »
It sound as if you need to divide your 'steps per' by 360 in the motor tuning window.

Graham.