Messages

1511

General Mach Discussion / Re: need help with g code and cutter comp issue

« on: November 03, 2008, 02:04:03 PM »

Your code is all screwed up, post a picture/drawing of what you are trying to make along with sizes and I will recode it so you can see how it should be done.

Graham

1512

General Mach Discussion / Re: Backlash Compensation question...

« on: November 02, 2008, 08:51:16 AM »

No problem 

Graham

1513

General Mach Discussion / Re: Backlash Compensation question...

« on: November 02, 2008, 08:40:35 AM »

Jim,

I can only see your theory working if the encode is mounted to the slide and not the motor, if the encoder is on the motor then there is no backlash between the encoder and the motor unless the encoder is slipping on the motor shaft.

Dave,

if you have more than .001" backlash then you need to fix the machine mechanics, if its so bad then cutter pull will spoil any job you try to do. You will get tools snatching the work and this is never good.

Just my view.

Graham
 

1514

General Mach Discussion / Re: 4th Axis

« on: October 31, 2008, 07:54:42 AM »

Good, thing are working.

I would post your NFS problems in the NFS area an may be Ron Ginger will answer you, Ron maintains the wizards so he should know the ins and outs.

Graham

1515

General Mach Discussion / Re: crazy circles from an ARC PP on one machine, OK on another!

« on: October 30, 2008, 04:19:59 PM »

Try changing the IJ mode under general config.

Graham

1516

General Mach Discussion / Re: 4th Axis

« on: October 30, 2008, 03:11:02 PM »

OK, I would have expected it to just move 1/4 turn.

The code you have shown may need a tweak

G00 G90 A0.0
Y-30.1 X0
(This program has No Z moves!)
M98 (Index.tap) L20
M5 M9
M30

Try it like this and let me know how it has changed

Graham

1517

General Mach Discussion / Re: Circlular Pocket Problem and mach3 setup

« on: October 30, 2008, 07:46:49 AM »

Not sure what you are saying, have you set your datums?

Graham

1518

General Mach Discussion / Re: 4th Axis

« on: October 29, 2008, 03:11:22 PM »

OK,

What happens if you type  this code into MDI

G00 G90 A90.

put a sample of your code here for me to look at.

Graham

1519

General Mach Discussion / Re: Mach Workshop at Cabin Fever Expo

« on: October 29, 2008, 01:11:49 PM »

Just to spoil the whole event for you all    I am thinking of booking a place too  So if you want to keep the English out you had better hurry to fill all the spaces 

Your buns are safe though, I am diabetic 

Graham

1520

General Mach Discussion / Re: 4th Axis

« on: October 29, 2008, 12:38:46 PM »

Hi Biffo,

can you jog the A axis using the keyboard?

Graham