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Search took 0.00 seconds. Search: Posts Made By: Gerald D
Forum: MechMates already cutting Fri 05 February 2010, 10:59
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, I think my son would do 4 passes to get...

Irfan, I think my son would do 4 passes to get through 30mm MDF with a 6mm bit. The speed for that job sounds about right.

On doing 4 passes, the trick is to do the 4th (last) pass with a...
Forum: MechMates already cutting Tue 12 January 2010, 21:43
Replies: 356
Views: 221,535
Posted By Gerald D
Nice work Irfan. Did you find the reason for the...

Nice work Irfan. Did you find the reason for the rough cuts you mentioned with the earlier pictures?
Forum: MechMates already cutting Sun 03 January 2010, 11:45
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, did you notice that the rough cut is only...

Irfan, did you notice that the rough cut is only when the X and Y motors run together to make a curve? If so, then see Rough Cut on Diagonal (http://www.mechmate.com/forums/showthread.php?t=2077)
Forum: MechMates already cutting Sat 12 December 2009, 11:50
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, didn't anybody tell you that you cannot do...

Irfan, didn't anybody tell you that you cannot do a job like that with open loop steppers? Were you not supposed to be using servos? How did you fix the marks caused by the lost steps? ;);)
Forum: MechMates already cutting Fri 11 December 2009, 22:48
Replies: 356
Views: 221,535
Posted By Gerald D
Fantastic!

Fantastic!
Forum: MechMates already cutting Sun 28 June 2009, 05:58
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, did any of the parts of that jackshaft...

Irfan, did any of the parts of that jackshaft table make it to #33? Doesn't look like it. I guess that #33 started when you closed the earlier thread - 1 October 2007?
Forum: MechMates already cutting Sat 27 June 2009, 07:35
Replies: 356
Views: 221,535
Posted By Gerald D
. . . . on #33? That is an omen! :eek: What...

. . . . on #33? That is an omen! :eek:

What went wrong with the bits? Feeding too fast?
Forum: MechMates already cutting Sat 27 June 2009, 07:23
Replies: 356
Views: 221,535
Posted By Gerald D
Want to tell us why you selected #33 and not the...

Want to tell us why you selected #33 and not the #28 that would have been next? :confused:
Forum: MechMates already cutting Sat 27 June 2009, 07:19
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, the father of doing everything the long...

Irfan, the father of doing everything the long way round . . . . .

Well Done! :D
Forum: MechMates already cutting Fri 19 June 2009, 09:36
Replies: 356
Views: 221,535
Posted By Gerald D
In addition, all the .dxf drawings for the laser...

In addition, all the .dxf drawings for the laser cutting have the logo in the title block.
Forum: MechMates already cutting Mon 01 June 2009, 05:38
Replies: 356
Views: 221,535
Posted By Gerald D
Traceable images of lotus flowers...

Traceable images of lotus flowers (http://images.google.co.za/images?hl=en&rlz=1T4IRFA_enZA315ZA315&um=1&q=lotus+flower+gif&sa=N&start=0&ndsp=20)
Forum: MechMates already cutting Sun 31 May 2009, 09:03
Replies: 356
Views: 221,535
Posted By Gerald D
Amazing! Is that a porous MDF or a foam?...

Amazing!

Is that a porous MDF or a foam? What is overall size/depth? Did you run mainly x-direction and then step over a small y increment? Etc. Etc.! :D
Forum: MechMates already cutting Fri 29 May 2009, 05:01
Replies: 356
Views: 221,535
Posted By Gerald D
We call it blockboard...

We call it blockboard (http://images.google.co.za/images?sourceid=navclient&rlz=1T4IRFA_enZA315ZA315&q=blockboard&um=1&ie=UTF-8&sa=N&hl=en&tab=wi) or shutterboard, some call it shutterply.
Forum: MechMates already cutting Thu 28 May 2009, 11:42
Replies: 356
Views: 221,535
Posted By Gerald D
Good stuff! The bucket reminded me that you have...

Good stuff! The bucket reminded me that you have a spindle. . . . . Newton's second law of CNC says that the spider must bend before the shaft of the spindle. :)
Forum: MechMates already cutting Wed 27 May 2009, 11:15
Replies: 356
Views: 221,535
Posted By Gerald D
Newton's first law of CNC cutting: A 2mm cutter...

Newton's first law of CNC cutting: A 2mm cutter cannot cause damage to a 5mm spider. Something more complex must have happened. Where did your spider bend?
Forum: MechMates already cutting Wed 27 May 2009, 10:10
Replies: 356
Views: 221,535
Posted By Gerald D
What would you prefer to break first, when you...

What would you prefer to break first, when you don't provide a strategy for controlling the trapped off-cuts? :confused::)

What you could do is to leave a tiny thin tab (bridge) at the end of the...
Forum: MechMates already cutting Tue 26 May 2009, 12:37
Replies: 356
Views: 221,535
Posted By Gerald D
Looks like mechanical "slop" - see the things...

Looks like mechanical "slop" - see the things mentioned in this thread:
Circles are not cut round - loose pinion gears (http://mechmate.com/forums/showthread.php?t=1221)
Forum: MechMates already cutting Sun 10 May 2009, 03:57
Replies: 356
Views: 221,535
Posted By Gerald D
Sergio, we have discussed this subject in some...

Sergio, we have discussed this subject in some other places before. We work in a very dusty environment with our electronics, so we have 2 choices:
- let the dust get into the electronics, or
- let...
Forum: MechMates already cutting Wed 06 May 2009, 01:05
Replies: 356
Views: 221,535
Posted By Gerald D
If you don't want the thread moved, then don't...

If you don't want the thread moved, then don't cut (or write) anything under control of G-code. A little cursor movement is something we do on kitchen tables. :D
But yeah, any progress on your...
Forum: MechMates already cutting Sun 26 April 2009, 11:35
Replies: 356
Views: 221,535
Posted By Gerald D
Good progress, you should be cutting by tomorrow!

Good progress, you should be cutting by tomorrow!
Forum: MechMates already cutting Thu 23 April 2009, 09:39
Replies: 356
Views: 221,535
Posted By Gerald D
Have copied the water cooling posts to Water...

Have copied the water cooling posts to Water cooling a spindle (http://www.mechmate.com/forums/showthread.php?t=1465)
Forum: MechMates already cutting Fri 10 April 2009, 11:42
Replies: 356
Views: 221,535
Posted By Gerald D
Okay, done.

Okay, done.
Forum: MechMates already cutting Sat 21 February 2009, 22:42
Replies: 356
Views: 221,535
Posted By Gerald D
Irfan, do we need a fresh title for your thread?...

Irfan, do we need a fresh title for your thread? :)
Forum: MechMates already cutting Sun 18 January 2009, 07:03
Replies: 356
Views: 221,535
Posted By Gerald D
Nice progress Irfan! Want to choose a new...

Nice progress Irfan!

Want to choose a new title for your thread? :)
Forum: MechMates already cutting Thu 08 January 2009, 06:54
Replies: 356
Views: 221,535
Posted By Gerald D
I know too little about reactors to make a guess...

I know too little about reactors to make a guess on this one. :(
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