Re: [Emc-users] Brass finish question?

2012-02-25 Thread Kirk Wallace
On Sat, 2012-02-25 at 03:31 -0500, gene heskett wrote: ... snip Does anybody know what the attachment size limit is? The absolute smallest I can get out of GIMP is 70k, attached. But ugly, but you get the idea if it comes through. ... snip I think it is a little over 40k. That's the figure

Re: [Emc-users] Brass finish question?

2012-02-25 Thread gene heskett
On Saturday, February 25, 2012 11:01:46 AM gene heskett did opine: Does anybody know what the attachment size limit is? The absolute smallest I can get out of GIMP is 70k, attached. But ugly, but you get the idea if it comes through. Thank you Mr. Moderator. And now I know, from the

Re: [Emc-users] Brass finish question?

2012-02-25 Thread Kirk Wallace
On Sat, 2012-02-25 at 11:41 -0500, gene heskett wrote: ... snip I've temporarily replaced my router with a Buffalo Nfinity Hi-power running dd-wrt, which means my web page is offline until I figure out how to ssh into it and fix the port forwarding, Isn't ssh available from the LAN side?

Re: [Emc-users] Brass finish question?

2012-02-25 Thread gene heskett
On Saturday, February 25, 2012 02:21:48 PM Kirk Wallace did opine: On Sat, 2012-02-25 at 11:41 -0500, gene heskett wrote: ... snip I've temporarily replaced my router with a Buffalo Nfinity Hi-power running dd-wrt, which means my web page is offline until I figure out how to ssh into it

Re: [Emc-users] Brass finish question?

2012-02-25 Thread Kirk Wallace
On Sat, 2012-02-25 at 14:35 -0500, gene heskett wrote: ... snip I did that, next time I log into the buffalo I'll check see if that fixes it, thanks. I have sent dd-wrt and buffalo msgs about that. That config line is about 2 longer than any other config line in the gui and really should

Re: [Emc-users] Brass finish question?

2012-02-25 Thread gene heskett
On Saturday, February 25, 2012 03:59:53 PM Jon Elson did opine: gene heskett wrote: So I played with the code a little more and made another wheel yesterday, then carved up a bracket to hold the pcb got it mounted, but I think the scope pix I took is too big to pass muster at the

Re: [Emc-users] Brass finish question?

2012-02-24 Thread charles green
, gene heskett ghesk...@wdtv.com wrote: From: gene heskett ghesk...@wdtv.com Subject: Re: [Emc-users] Brass finish question? To: emc-users@lists.sourceforge.net Date: Thursday, February 23, 2012, 5:28 AM On Thursday, February 23, 2012 08:25:14 AM Mark Wendt did opine: On 02/22/2012 04:23 PM

Re: [Emc-users] Brass finish question?

2012-02-23 Thread Mark Wendt
On 02/22/2012 04:23 PM, gene heskett wrote: On Wednesday, February 22, 2012 04:22:08 PM Greg Bernard did opine: There are numerous solutions that work, the most common being liver of sulfur (I don't remember what the modern name is). The easiest would be the stuff by Birchwood-Casey

Re: [Emc-users] Brass finish question?

2012-02-23 Thread gene heskett
On Thursday, February 23, 2012 08:25:14 AM Mark Wendt did opine: On 02/22/2012 04:23 PM, gene heskett wrote: On Wednesday, February 22, 2012 04:22:08 PM Greg Bernard did opine: There are numerous solutions that work, the most common being liver of sulfur (I don't remember what the modern

Re: [Emc-users] Brass finish question?

2012-02-23 Thread Dave
FWIW, not all Walmarts have gun counters.. Apparently we are not worthy, even though many used pickup trucks here come equipped with shotgun racks in the back window.. ;-) Dave On 2/23/2012 5:15 AM, Mark Wendt wrote: On 02/22/2012 04:23 PM, gene heskett wrote: On Wednesday, February

Re: [Emc-users] Brass finish question?

2012-02-23 Thread gene heskett
On Thursday, February 23, 2012 01:50:49 PM Dave did opine: FWIW, not all Walmarts have gun counters.. Apparently we are not worthy, even though many used pickup trucks here come equipped with shotgun racks in the back window.. ;-) Dave Chuckle. I spent a bit over a decade in western

Re: [Emc-users] Brass finish question?

2012-02-23 Thread Kent A. Reed
On 2/22/2012 9:35 PM, gene heskett wrote: On Wednesday, February 22, 2012 09:14:52 PM R.L. Wurdack did opine: Whatever you use, beware of reflections from the sides of the slots themselves. Precisely my concern. The front rear faces of the disk are basically a never mind. Its the walls of

Re: [Emc-users] Brass finish question?

2012-02-23 Thread gene heskett
On Thursday, February 23, 2012 04:54:40 PM Kent A. Reed did opine: On 2/22/2012 9:35 PM, gene heskett wrote: On Wednesday, February 22, 2012 09:14:52 PM R.L. Wurdack did opine: Whatever you use, beware of reflections from the sides of the slots themselves. Precisely my concern. The

Re: [Emc-users] Brass finish question?

2012-02-23 Thread gene heskett
On Thursday, February 23, 2012 11:44:50 PM Kent A. Reed did opine: On 2/22/2012 9:35 PM, gene heskett wrote: On Wednesday, February 22, 2012 09:14:52 PM R.L. Wurdack did opine: Whatever you use, beware of reflections from the sides of the slots themselves. Precisely my concern. The

[Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
Greetings all; The new encoder wheel I made last night, by fiddling with the math that determines the slot width until it has virtually no side wobble of the 1/16 mill at the inner apex of the slot, makes me ask a question about what is the best way to chemically blacken brass, hopefully with

Re: [Emc-users] Brass finish question?

2012-02-22 Thread andy pugh
On 22 February 2012 20:30, gene heskett ghesk...@wdtv.com wrote: So, how does one chemically blacken brass? Google says: http://www.modelshipwrightsdatabase.com/Articles/MetalBlackening.pdf -- atp The idea that there is no such thing as objective truth is, quite simply, wrong.

Re: [Emc-users] Brass finish question?

2012-02-22 Thread dave
On Wed, 22 Feb 2012 15:30:39 -0500 gene heskett ghesk...@wdtv.com wrote: Greetings all; The new encoder wheel I made last night, by fiddling with the math that determines the slot width until it has virtually no side wobble of the 1/16 mill at the inner apex of the slot, makes me ask a

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 03:47:20 PM gene heskett did opine: Greetings all; The new encoder wheel I made last night, by fiddling with the math that determines the slot width until it has virtually no side wobble of the 1/16 mill at the inner apex of the slot, makes me ask a question

Re: [Emc-users] Brass finish question?

2012-02-22 Thread Greg Bernard
...@wdtv.com To: LinuxCNC Users List emc-users@lists.sourceforge.net Sent: Wednesday, February 22, 2012 2:30 PM Subject: [Emc-users] Brass finish question? Greetings all; The new encoder wheel I made last night, by fiddling with the math that determines the slot width until it has virtually no side

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 04:09:51 PM andy pugh did opine: On 22 February 2012 20:30, gene heskett ghesk...@wdtv.com wrote: So, how does one chemically blacken brass? Google says: http://www.modelshipwrightsdatabase.com/Articles/MetalBlackening.pdf From the images there, it appears

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 04:17:54 PM dave did opine: On Wed, 22 Feb 2012 15:30:39 -0500 gene heskett ghesk...@wdtv.com wrote: Greetings all; The new encoder wheel I made last night, by fiddling with the math that determines the slot width until it has virtually no side wobble

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 04:22:08 PM Greg Bernard did opine: There are numerous solutions that work, the most common being liver of sulfur (I don't remember what the modern name is). The easiest would be the stuff by Birchwood-Casey which should be available at any good gunsmith shop.

Re: [Emc-users] Brass finish question?

2012-02-22 Thread R.L. Wurdack
...@wdtv.com To: emc-users@lists.sourceforge.net Sent: Wednesday, February 22, 2012 1:16 PM Subject: Re: [Emc-users] Brass finish question? On Wednesday, February 22, 2012 04:09:51 PM andy pugh did opine: On 22 February 2012 20:30, gene heskett ghesk...@wdtv.com wrote: So, how does one chemically

Re: [Emc-users] Brass finish question?

2012-02-22 Thread andy pugh
On 22 February 2012 21:43, R.L. Wurdack di...@nwlink.com wrote: Will lampblack with a coat of clear flat Krylon work, or just flat black Krylon.? It's hard to say without infra-red eyes. I made an encoder with a laser-printed target, it worked great until I covered it with a protective plastic

Re: [Emc-users] Brass finish question?

2012-02-22 Thread Peter Blodow
Gene, blacking of brass is easy. Get yourself a small quantity (a piece of fingernail size is enough) of potassium sulfide, K²S, from the pharmacy, commonly called liver of sulphur and sold cheaply (in Germany) for medical bath purposes, for instance, as skin cleaner for teenager (how about

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 09:14:52 PM R.L. Wurdack did opine: Whatever you use, beware of reflections from the sides of the slots themselves. Precisely my concern. The front rear faces of the disk are basically a never mind. Its the walls of the slots I am concerned with. i.e. The

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 09:37:28 PM andy pugh did opine: On 22 February 2012 21:43, R.L. Wurdack di...@nwlink.com wrote: Will lampblack with a coat of clear flat Krylon work, or just flat black Krylon.? It's hard to say without infra-red eyes. I made an encoder with a

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Wednesday, February 22, 2012 09:42:13 PM Peter Blodow did opine: Gene, blacking of brass is easy. Get yourself a small quantity (a piece of fingernail size is enough) of potassium sulfide, K²S, from the pharmacy, commonly called liver of sulphur and sold cheaply (in Germany) for medical

Re: [Emc-users] Brass finish question?

2012-02-22 Thread Greg Bernard
. From: gene heskett ghesk...@wdtv.com To: emc-users@lists.sourceforge.net Sent: Wednesday, February 22, 2012 8:35 PM Subject: Re: [Emc-users] Brass finish question? On Wednesday, February 22, 2012 09:14:52 PM R.L. Wurdack did opine: Whatever you use, beware of reflections from

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Thursday, February 23, 2012 12:26:56 AM Greg Bernard did opine: You shouldn't have any problems with reflections from the sides of the slot as they should be equally blackened. I used to work in the optical industry where we used the liver of sulfur treatment for brass telescope parts and

Re: [Emc-users] Brass finish question?

2012-02-22 Thread Jon Elson
gene heskett wrote: Lampblack would be fine IF one could find a binder as effective as the krylon that wasn't glossy at low incident angles. A case where thin is good, but I expect trying to mill the outside 1/3 of it down to the point where knife edge diffraction was the major effect,

Re: [Emc-users] Brass finish question?

2012-02-22 Thread gene heskett
On Thursday, February 23, 2012 02:31:08 AM Jon Elson did opine: gene heskett wrote: Lampblack would be fine IF one could find a binder as effective as the krylon that wasn't glossy at low incident angles. A case where thin is good, but I expect trying to mill the outside 1/3 of it down to