Author Topic: Constructing a Low Profile Tool Height Setter.  (Read 46589 times)

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Offline stirling

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #10 on: May 12, 2012, 01:28:28 PM »
Nice one Tweaks - That pcb is as dinky as a dinky thing with a first class honours degree in dinky.

Ian

Offline Tweakie.CNC

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #11 on: May 13, 2012, 01:06:14 AM »
Thanks Ian.  ;D

Thank you also for your work, a while back, relating to the G31 command and Mach’s interpretation of how variations in multiple contact resets the Var (2002) etc.
This was influential in my design and helped a lot.

Tweakie.
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Offline BR549

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #12 on: May 13, 2012, 11:07:41 AM »
HIYA Tweaks , Have you thought about putting in an overtravel switch so that in cause the G31 goes wacky the OT switch will trip as a Limit and save the machine/tool/probe/part ??

Just a thought, (;-)TP

Offline Tweakie.CNC

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #13 on: May 13, 2012, 11:54:11 AM »
HIYA Tweaks , Have you thought about putting in an overtravel switch so that in cause the G31 goes wacky the OT switch will trip as a Limit and save the machine/tool/probe/part ??

Just a thought, (;-)TP

Hi Terry,

Must admit that I had not thought about that - damn good idea, thanks.  ;)

Tweakie.

It's a very poor video (this is an area in which I really must improve my skills) but shows its operation. http://www.graytel.talktalk.net/probe.wmv
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Offline Sam

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #14 on: May 13, 2012, 01:10:08 PM »
What the yellow piece of material for?
"CONFIDENCE: it's the feeling you experience before you fully understand the situation."

Offline Ya-Nvr-No

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #15 on: May 13, 2012, 09:33:14 PM »
Another fine project my friend
But four place decimal in metric are your running servos with 8000+ encoder pluses?

That is a great idea Terry, wish I had them for tool breakage detection switches. ;-]

Offline Tweakie.CNC

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #16 on: May 14, 2012, 01:35:22 AM »
What the yellow piece of material for?

That is the most important part Sam - It's the work piece which subsequently gets engraved  ;)

Tweakie.
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Offline Tweakie.CNC

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #17 on: May 14, 2012, 01:42:50 AM »
Quote
But four place decimal in metric are your running servos with 8000+ encoder pluses?

 ;D ;D ;D

No way, my theoretical resolution is 3 microns but so long as it does the job I leave as many of the Mach settings as untouched as I can  ;)

Tweakie.
Success consists of going from failure to failure without loss of enthusiasm.  Winston Churchill.

Offline budman68

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #18 on: May 14, 2012, 12:37:14 PM »
As always, Tweaks, your work is beautiful and so friggin clean! Love it!

Dave
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Offline Ya-Nvr-No

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Re: Constructing a Low Profile Tool Height Setter.
« Reply #19 on: May 14, 2012, 12:54:20 PM »
theoretical resolution is 3 microns
so your actual resolution and repeatability is?
Not many industrial machines can give me that resolution and repeatably.
I very happy with 10 microns for most jobs. So many variables.