Re: [Emc-users] center finder camera

2014-05-05 Thread Bari
On 05/04/2014 11:20 PM, Steve Blackmore wrote: Jon - http://imagebin.org/309092 Tip of camera just touching surface. That's a 0.1mm gap set on the jaws of my Mitu digimatic calipers. The ground surface looks good until you zoom in :) Plenty good enough to find an edge. Same 0.1mm gap.

Re: [Emc-users] center finder camera

2014-05-05 Thread Bari
On 05/04/2014 11:20 PM, Steve Blackmore wrote: http://imagebin.org/309092 http://imagebin.org/309107 Image above with Sobel on lower half. You can really see how lighting will effect how well the edges will be detected.

Re: [Emc-users] Cutting threads on these screw?

2014-05-05 Thread Gene Heskett
On Monday 05 May 2014 03:57:25 Steve Blackmore did opine: On Sun, 4 May 2014 08:52:26 -0400, you wrote: The first one resembles the anchoring for the 16mm5 screw used as the Z on the lathe, 12mm bore and I had yet to get all the end play out of it even though I have extra shims between the

Re: [Emc-users] Question re crooked headstock

2014-05-05 Thread Gene Heskett
On Monday 05 May 2014 04:26:30 Steve Blackmore did opine: On Sun, 4 May 2014 23:14:51 -0400, you wrote: Greetings all; Today, after fighting with it yesterday and putting in nearly 10 thou of x taper in 2.25 of Z travel before I got anywhere near a straight turn Ideas? Read this

Re: [Emc-users] Newbe getting started

2014-05-05 Thread Mark Wendt
On Sun, May 4, 2014 at 7:58 PM, Stuart Stevenson stus...@gmail.com wrote: I prefer inserted, but I don't make the rules. Rules smules If your question is answered BE HAPPY or you volunteer an answer DO IT HOWEVER YOU WISH My 2 cents Stuart And then there's Stuart's method. VBSEG

Re: [Emc-users] Newbe getting started

2014-05-05 Thread Mark Wendt
On Sun, May 4, 2014 at 7:35 PM, andy pugh bodge...@gmail.com wrote: On 5 May 2014 00:09, rayj raymo...@frontiernet.net wrote: Last question: What is the etiquette on this list for replies? Top, bottom, or inserted under the relevant paragraph? I prefer inserted, but I don't make the

Re: [Emc-users] center finder camera

2014-05-05 Thread Mark Wendt
On Mon, May 5, 2014 at 12:20 AM, Steve Blackmore st...@pilotltd.net wrote: Jon - http://imagebin.org/309092 Tip of camera just touching surface. That's a 0.1mm gap set on the jaws of my Mitu digimatic calipers. The ground surface looks good until you zoom in :) Plenty good enough to find

Re: [Emc-users] center finder camera

2014-05-05 Thread Bari
~130um plated hole PCB VGA microscope http://imagebin.org/309193 -- Is your legacy SCM system holding you back? Join Perforce May 7 to find out: #149; 3 signs your SCM is hindering your productivity #149; Requirements

Re: [Emc-users] center finder camera

2014-05-05 Thread Jon Elson
On 05/05/2014 02:00 AM, Bari wrote: On 05/04/2014 11:20 PM, Steve Blackmore wrote: Same 0.1mm gap. Camera body on the surface. With threshold and Sobel edge detect. http://imagebin.org/309105 OK, so how many pixels is that gap? Taking a wild guess, it might be about 40 pixels. That sounds

Re: [Emc-users] center finder camera

2014-05-05 Thread Bari
On 05/05/2014 11:01 AM, Jon Elson wrote: On 05/05/2014 02:00 AM, Bari wrote: On 05/04/2014 11:20 PM, Steve Blackmore wrote: Same 0.1mm gap. Camera body on the surface. With threshold and Sobel edge detect. http://imagebin.org/309105 OK, so how many pixels is that gap? Taking a wild guess,

Re: [Emc-users] center finder camera

2014-05-05 Thread Steve Blackmore
On Mon, 5 May 2014 05:23:32 -0400, you wrote: On Mon, May 5, 2014 at 12:20 AM, Steve Blackmore st...@pilotltd.net wrote: Jon - http://imagebin.org/309092 Tip of camera just touching surface. That's a 0.1mm gap set on the jaws of my Mitu digimatic calipers. The ground surface looks good

Re: [Emc-users] Question re crooked headstock

2014-05-05 Thread Steve Blackmore
On Mon, 5 May 2014 04:48:55 -0400, you wrote: I suggested that a heavy steel bar, a 1x6 wide, nominally 24 long, to help stiffen it up, and was told its a never mind. By someone on this list about 2 coons ages ago. Whether I could find another at the scrap/recycle yard about 50 miles away, I

Re: [Emc-users] center finder camera

2014-05-05 Thread Jon Elson
On 05/05/2014 10:57 AM, Bari wrote: ~130um plated hole PCB VGA microscope http://imagebin.org/309193 Yes, I know the real microscopes can get an even higher resolution image, but I'm trying to come up with something small that will fit partly into the shank hole of an end mill holder. I'd

Re: [Emc-users] Question re crooked headstock

2014-05-05 Thread Gene Heskett
On Monday 05 May 2014 22:13:12 Steve Blackmore did opine: On Mon, 5 May 2014 04:48:55 -0400, you wrote: I suggested that a heavy steel bar, a 1x6 wide, nominally 24 long, to help stiffen it up, and was told its a never mind. By someone on this list about 2 coons ages ago. Whether I could