Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On 10/9/2015 8:30 AM, Gene Heskett wrote: > On Thursday 08 October 2015 16:04:42 Jim Craig wrote: > >> >> Gene, >> >> How about a pic of one of those blanket chests? >> >> Jim > I did, but the server is holding it for the moderator to clear as its not > quite 20k over the 360k size limit allowed.

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

m> To: emc-users@lists.sourceforge.net Sent: Friday, October 9, 2015 8:30 AM Subject: Re: [Emc-users] Machine vision cameras for use with camview, align and friends On Thursday 08 October 2015 16:04:42 Jim Craig wrote: > On 10/8/2015 2:46 PM, Gene Heskett wrote: > > On Thursday 08

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

2015-10-09 16:50 GMT+03:00 Jim Craig : > Very nice! I like the Joinery. Oh yes, that chest looks really awesome, Gene! Corner joints are beautiful! Viesturs --

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On Friday 09 October 2015 09:50:36 Jim Craig wrote: > On 10/9/2015 8:30 AM, Gene Heskett wrote: > > On Thursday 08 October 2015 16:04:42 Jim Craig wrote: > >> Gene, > >> > >> How about a pic of one of those blanket chests? > >> > >> Jim > > > > I did, but the server is holding it for the

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On Friday 09 October 2015 11:12:13 Viesturs Lācis wrote: > 2015-10-09 16:50 GMT+03:00 Jim Craig : > > Very nice! I like the Joinery. > > Oh yes, that chest looks really awesome, Gene! Corner joints are > beautiful! > > Viesturs > I do thumbhole gunstocks for myself

[Emc-users] Machine vision cameras for use with camview, align and friends

Greetings all; I had one of those "colonoscopy" cameras you could buy on ebay for about $22 USD on my toy mill, and had it pretty well calibrated but hadn't put it to any real use as yet when I knocked it loose with an errant hold down bolt on that furniture joint carving jig. I'd been

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

Gene, What's the depth of field with those? I bought one of the $20 amazon "endoscopes". I was really disappointed in the depth of field. I have played with real endoscopes, and the amazing thing about them is their depth of field is from .5" to infinity. This one had a focal distance of about 4

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On Thursday 08 October 2015 10:25:25 Jerry Scharf wrote: > Gene, > > What's the depth of field with those? > > I bought one of the $20 amazon "endoscopes". I was really disappointed > in the depth of field. I have played with real endoscopes, and the > amazing thing about them is their depth of

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote: > Greetings all; > > I had one of those "colonoscopy" cameras you could buy on ebay for about > $22 USD on my toy mill, and had it pretty well calibrated but hadn't put > it to any real use as yet when I knocked it loose with an errant hold

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On Thursday 08 October 2015 14:01:12 Valerio Bellizzomi wrote: > On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote: > > Greetings all; > > > > I had one of those "colonoscopy" cameras you could buy on ebay for > > about $22 USD on my toy mill, and had it pretty well calibrated but > > hadn't

Re: [Emc-users] Machine vision cameras for use with camview, align and friends

On 10/8/2015 2:46 PM, Gene Heskett wrote: > On Thursday 08 October 2015 14:01:12 Valerio Bellizzomi wrote: > >> On Thu, 2015-10-08 at 03:10 -0400, Gene Heskett wrote: >>> Greetings all; >>> >>> I had one of those "colonoscopy" cameras you could buy on ebay for >>> about $22 USD on my toy mill, and

Re: [Emc-users] Machine Vision?

On 8/19/2014 8:28 PM, dave wrote: On Mon, 2014-08-18 at 13:46 -0400, Todd Zuercher wrote: I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed randomly on a slow conveyor. Each piece has 1 to 4 small pockets milled

Re: [Emc-users] Machine Vision?

I saw a couple projects recently that might be of interest.. https://hackaday.io/project/1313-OpenMV and http://hci.rwth-aachen.de/fabscan On Wed, Aug 20, 2014 at 7:14 AM, craig cr...@facework.com wrote: On 8/19/2014 8:28 PM, dave wrote: On Mon, 2014-08-18 at 13:46 -0400, Todd Zuercher

Re: [Emc-users] Machine Vision?

On Mon, Aug 18, 2014 at 4:04 PM, Viesturs Lācis viesturs.la...@gmail.com wrote: 2014-08-18 22:47 GMT+03:00 Marius Liebenberg mar...@mastercut.co.za: Will you be willing to share the script as it could be useful for a pick and place machine that I am looking at doing. I have 2 files - one

Re: [Emc-users] Machine Vision?

Liebenberg mar...@mastercut.co.za To: emc-users@lists.sourceforge.net Sent: Monday, August 18, 2014 2:45:10 PM Subject: Re: [Emc-users] Machine Vision? Why bother with detecting the pockets. Use a curtain of nozzles that will blow in various directions. Maybe repeated once or twice and then blow

Re: [Emc-users] Machine Vision?

This sounds like the most promising idea. Yes there is vacuum for dust collection. - Original Message - From: Gregg Eshelman g_ala...@yahoo.com To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Sent: Monday, August 18, 2014 8:22:49 PM Subject: Re: [Emc-users

Re: [Emc-users] Machine Vision?

On 19 August 2014 15:02, Todd Zuercher zuerc...@embarqmail.com wrote: This is what we are trying now. And it isn't quite working. To get the pockets clean pressures on the air curtain have to be so high that we have to have roller hold downs on the pieces to keep them

Re: [Emc-users] Machine Vision?

...@gmail.com To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Sent: Tuesday, August 19, 2014 10:16:02 AM Subject: Re: [Emc-users] Machine Vision? On 19 August 2014 15:02, Todd Zuercher zuerc...@embarqmail.com wrote: This is what we are trying now. And it isn't

Re: [Emc-users] Machine Vision?

On 19 August 2014 15:35, Todd Zuercher zuerc...@embarqmail.com wrote: The problem of multiple simultaneous pockets to be cleaned, I may be best addressed by telling the humans loading the conveyor to avoid it. Why not give the humans a vacuum nozzle? -- atp If you can't

Re: [Emc-users] Machine Vision?

On 8/19/2014 10:38 AM, andy pugh wrote: On 19 August 2014 15:35, Todd Zuercher zuerc...@embarqmail.com wrote: The problem of multiple simultaneous pockets to be cleaned, I may be best addressed by telling the humans loading the conveyor to avoid it. Why not give the

Re: [Emc-users] Machine Vision?

On 18 Aug 2014, at 19:42, David Armstrong wrote: a vacuum would be far better and safer , instead of blowing potential chips into someones eyes etc no matter how good you are at trying to keep small debris in check , particles always get through . I agree. I have seen several very nice

Re: [Emc-users] Machine Vision?

On 19 Aug 2014, at 01:14, Gregg Eshelman wrote: On 8/18/2014 11:46 AM, Todd Zuercher wrote: I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed randomly on a slow conveyor. Each piece has 1 to 4 small pockets

Re: [Emc-users] Machine Vision?

On 8/19/2014 8:35 AM, Todd Zuercher wrote: The conveyor is slow. I thought of multiple jets (and this might still be the best way) my only problem is that would be an awful lot of jets and the solenoids to actuate them to cover the conveyor width. I think one or a small number of mobile

Re: [Emc-users] Machine Vision?

-Original Message- From: Todd Zuercher Sent: Monday, August 18, 2014 12:46 PM To: Enhanced Machine Controller (EMC) Subject: [Emc-users] Machine Vision? I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed

Re: [Emc-users] Machine Vision?

On Mon, 2014-08-18 at 13:46 -0400, Todd Zuercher wrote: I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed randomly on a slow conveyor. Each piece has 1 to 4 small pockets milled in them. I would like to

[Emc-users] Machine Vision?

I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed randomly on a slow conveyor. Each piece has 1 to 4 small pockets milled in them. I would like to automate a method of blowing out the dust left from milling the

Re: [Emc-users] Machine Vision?

On 18 August 2014 18:46, Todd Zuercher zuerc...@embarqmail.com wrote: How hard would it be to detect the location of these pockets, position an air nozzle over the pocket and clean them with a short air blast as they are carried down the conveyor. I think that would

Re: [Emc-users] Machine Vision?

I imagine you can get co-ordinates from something like http://opencv.org/ and then move the nozzle/s as required Dave Caroline On 18/08/2014, Todd Zuercher zuerc...@embarqmail.com wrote: I've had a problem proposed to me. Any ideas or suggestions? A series of randomly

Re: [Emc-users] Machine Vision?

2014-08-18 20:56 GMT+03:00 andy pugh bodge...@gmail.com: On 18 August 2014 18:46, Todd Zuercher zuerc...@embarqmail.com wrote: How hard would it be to detect the location of these pockets, position an air nozzle over the pocket and clean them with a short air blast as

Re: [Emc-users] Machine Vision?

Vision systems can be very light sensitive, which is sometimes not immediately obvious. Cast a shadow across the parts and the vision system may get lost. Find someone who does a lot of vision and you will find that they know a lot about lighting and light sheilding. Vision works best in

Re: [Emc-users] Machine Vision?

We use cameras to check things on production lines, I'd assume from that experience you would need to traverse the conveyer and when a target is found blast some air. Is this just to save some air vs an air curtain? JT On 8/18/2014 12:46 PM, Todd Zuercher wrote: I've had a problem proposed to

Re: [Emc-users] Machine Vision?

If you know the outer shapes you can then know where the pockets are, another way if they are likely to be low contrast/full of dust. Dave Caroline On 18/08/2014, Viesturs Lācis viesturs.la...@gmail.com wrote: 2014-08-18 20:56 GMT+03:00 andy pugh bodge...@gmail.com: On 18 August 2014 18:46,

Re: [Emc-users] Machine Vision?

2014-08-18 20:59 GMT+03:00 Dave Caroline dave.thearchiv...@gmail.com: I imagine you can get co-ordinates from something like http://opencv.org/ and then move the nozzle/s as required Last year I had an intern that created a script, that used opencv to recognize a part and return its

Re: [Emc-users] Machine Vision?

maybe vacuum is better ( dont blow chips into already cleaned pocket) maybe mechanical fingers could detect pockets simply imagine a row across conveyer of pivoting fingers drooping down to belt as wood passes it would raise lever finger to hi posn if it returned NOT to conveyer level , you got a

Re: [Emc-users] Machine Vision?

a vacuum would be far better and safer , instead of blowing potential chips into someones eyes etc no matter how good you are at trying to keep small debris in check , particles always get through . viesturs let me know what you need from opencv into linuxcnc etc Dave On 18 August 2014 19:16,

Re: [Emc-users] Machine Vision?

Why bother with detecting the pockets. Use a curtain of nozzles that will blow in various directions. Maybe repeated once or twice and then blow the lot clean. A number of swirling nozzle will also work. On 2014-08-18 19:46, Todd Zuercher wrote: I've had a problem proposed to me. Any ideas or

Re: [Emc-users] Machine Vision?

Tip them pocket down and vibrate them, get the dust to fall out (use a roller conveyor) Dave On 18/08/2014, Marius Liebenberg mar...@mastercut.co.za wrote: Why bother with detecting the pockets. Use a curtain of nozzles that will blow in various directions. Maybe repeated once or twice and

Re: [Emc-users] Machine Vision?

2014-08-18 21:42 GMT+03:00 David Armstrong cncbas...@gmail.com: let me know what you need from opencv into linuxcnc etc Nothing specific, only a concept - I was thinking about automation of put a workpiece in cnc lathe, take finished part out of cnc lathe and repeat process. If there is a box

Re: [Emc-users] Machine Vision?

Will you be willing to share the script as it could be useful for a pick and place machine that I am looking at doing. There are a number of people that has done just that what you are talking about for pick and place machines but they are mostly not open source sadly. On 2014-08-18 21:35,

Re: [Emc-users] Machine Vision?

2014-08-18 22:47 GMT+03:00 Marius Liebenberg mar...@mastercut.co.za: Will you be willing to share the script as it could be useful for a pick and place machine that I am looking at doing. I have 2 files - one is .cpp file (no idea, what it is), the other seems to be the script itself. AFAIK

Re: [Emc-users] Machine Vision?

Sure I will look at them to see what we can make of it. On 2014-08-18 22:04, Viesturs Lācis wrote: 2014-08-18 22:47 GMT+03:00 Marius Liebenberg mar...@mastercut.co.za: Will you be willing to share the script as it could be useful for a pick and place machine that I am looking at doing. I have

Re: [Emc-users] Machine Vision?

On 8/18/2014 11:46 AM, Todd Zuercher wrote: I've had a problem proposed to me. Any ideas or suggestions? A series of randomly sized wooden pieces (uniform thickness) placed randomly on a slow conveyor. Each piece has 1 to 4 small pockets milled in them. I would like to automate a method of

Re: [Emc-users] Machine Vision?

On 8/18/2014 12:05 PM, Dave Cole wrote: Vision systems can be very light sensitive, which is sometimes not immediately obvious. Cast a shadow across the parts and the vision system may get lost. Find someone who does a lot of vision and you will find that they know a lot about lighting and

Re: [Emc-users] Machine Vision?

I think the machine could be moved via a command to MDI or something similar. Here you go.. the python interface showing the MDI interface.. http://linuxcnc.org/docs/html/common/python-interface.html There are probably a number of ways to do this. I don't think you need to mess around with the

[Emc-users] Machine Vision?

On 18 August 2014 20:50, Dave Caroline dave.thearchiv...@gmail.com wrote: Tip them pocket down and vibrate them, get the dust to fall out (use a roller conveyor) Dave Best advise !! But if you really want to use a camera, you'll have to contend with purging a pocket around the lens to keep