rceforge.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 October 2015 14:01:12 Valer
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 too. But I don't advertise as th
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 moderator
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
--
___
Emc-users ma
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.
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
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 p
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
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 fi
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
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 meaning
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 wrote:
> On 8/19/2014 8:28 PM, dave wrote:
> > On Mon, 2014-08-18 at 13:46 -0400, Todd Zuercher wrote:
> >> I've
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
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 aut
>-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
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 mobil
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 poc
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 nic
On 8/19/2014 10:38 AM, andy pugh wrote:
> On 19 August 2014 15:35, Todd Zuercher
> 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 nozzl
On 19 August 2014 15:35, Todd Zuercher
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 fix it, you don't own
"
To: "Enhanced Machine Controller (EMC)"
Sent: Tuesday, August 19, 2014 10:16:02 AM
Subject: Re: [Emc-users] Machine Vision?
On 19 August 2014 15:02, Todd Zuercher
wrote:
> This is what we are trying now. And it isn't quite working. To get the
> poc
On 19 August 2014 15:02, Todd Zuercher
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 from flying off the ta
This sounds like the most promising idea.
Yes there is vacuum for dust collection.
- Original Message -
From: "Gregg Eshelman"
To: "Enhanced Machine Controller (EMC)"
Sent: Monday, August 18, 2014 8:22:49 PM
Subject: Re: [Emc-users] Machine Vision?
On 8/18/2014
uot;Marius Liebenberg"
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 t
On Mon, Aug 18, 2014 at 4:04 PM, Viesturs Lācis
wrote:
> 2014-08-18 22:47 GMT+03:00 Marius Liebenberg :
> > 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 o
On 18 August 2014 20:50, Dave Caroline 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 it dust free.
For vi
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
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
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
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 :
>> 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
2014-08-18 22:47 GMT+03:00 Marius Liebenberg :
> 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 that guy was using Eclip
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, Vie
2014-08-18 21:42 GMT+03:00 David Armstrong :
> 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 with unaligned work
Tip them pocket down and vibrate them, get the dust to fall out (use a
roller conveyor)
Dave
On 18/08/2014, Marius Liebenberg wrote:
> 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 clea
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
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, T
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 p
2014-08-18 20:59 GMT+03:00 Dave Caroline :
> 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 coordinates and orientation angle.
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 wrote:
> 2014-08-18 20:56 GMT+03:00 andy pugh :
>> On 18 August 2014 18:46, Todd Zuercher
>> wro
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
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 a
2014-08-18 20:56 GMT+03:00 andy pugh :
> On 18 August 2014 18:46, Todd Zuercher
> 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 convey
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
wrote:
> I've had a problem proposed to me. Any ideas or suggestions?
>
> A series of randomly sized wooden pieces (uni
On 18 August 2014 18:46, Todd Zuercher
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 strongly depend on the
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
pock
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