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Fórum » Only in English » Technologies » PicDither - PicEngrave - PicLaser. (Anything relating to these softwares can be discussed here.)
PicDither - PicEngrave - PicLaser.
tweakie Dátum/Date: Vasárnap, 2013-06-23, 06:44 | Üzenet/Post # 1
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Anything relating to - PicDither - PicEngrave - PicLaser etc.
 
tweakie Dátum/Date: Péntek, 2013-08-02, 06:56 | Üzenet/Post # 81
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Idézet
I almost bowl as good as I repair lasers but there both fun.
biggrin biggrin

Hi Jerry,

I think you need to establish exactly what is getting too hot then take the appropriate measures, fitting fans if necessary.
(If, for example, any of your steppers are getting too hot then reduce their driver current setting).

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
Honk Dátum/Date: Péntek, 2013-08-02, 20:54 | Üzenet/Post # 82
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Well I don't know??? I have my stepper power supplies, my steeper drivers, my brake out board, and relay exposed  and away from everything with a big fan right on them and they don't even get warm. I lowered the amp setting twice and the steppers are quite cool. The halo is gone but as soon is the machine runs about 1/2 hr. I get it starting to deform. Top right Vertical lines. I changed Computers again to see what that would do (center right circle picture). Deform seems to be less, color changes are me playing with speeds an power settings. I'll go and see what it will do if I don't turn any knobs.
Jerry

Csatolások/Attachments: 5073739.jpg(73Kb)
 
picengraver Dátum/Date: Péntek, 2013-08-02, 23:56 | Üzenet/Post # 83
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I did this one today.  Size is 7in. sq.  I used PEP 4.2.1 in horizontal 2X mode with 0.009 pixel resolution and at 70 ipm.  The 2x mode gives 0.009 inch pixel spacing along the horizontal axis, but 0.0045 inch spacing in the vertical axis.  This is a unique feature of PicEngrave Pro that is not available in any other competing software as far as I know.  I usually use this mode when engraving lithophanes to minimize tool tip lines.  This scanned image looks to have a little less contrast than the actual piece does with room lighting.
John

 
Csatolások/Attachments: 6131969.jpg(255Kb) · 8934685.jpg(223Kb)


I paint with a blue light beam.
 
Honk Dátum/Date: Szombat, 2013-08-03, 01:21 | Üzenet/Post # 84
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I know your getting tired of seeing this but I think I got it to work so you can see it one more time. I started using used lumber so there is a few extra lines. But it's round, it's 4 colors, it's two times in a row, there is no halo and the problem was the computer. I don't understand why it would do that but I switched 2 times and every time the other computer was on it would mess up. I am not saying that that was the problem but it sure seems like it to me. You probably know the monkey story so I won't mention it. Thank you all for all your help and support!!

Jerry

Csatolások/Attachments: 1441639.jpg(125Kb)
 
picengraver Dátum/Date: Szombat, 2013-08-03, 01:40 | Üzenet/Post # 85
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Jerry,
That's really an unexpected surprise.  Keeping my fingers crossed for you.
John


I paint with a blue light beam.
 
tweakie Dátum/Date: Szombat, 2013-08-03, 06:48 | Üzenet/Post # 86
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Looks like progress Jerry ok

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
tweakie Dátum/Date: Szombat, 2013-08-03, 06:59 | Üzenet/Post # 87
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That's excellent work John. respect

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
csewe Dátum/Date: Szombat, 2013-08-03, 07:06 | Üzenet/Post # 88
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Hi John.

Idézet (picengraver)
The 2x mode gives 0.009 inch pixel spacing along the horizontal axis, but 0.0045 inch spacing in the vertical axis. This is a unique feature of PicEngrave Pro that is not available in any other competing software as far as I know.


This is a very good option, but it is nothing new for me, too.

http://www.kepfeltoltes.hu/130803/sorism_tl_s_www.kepfeltoltes.hu_.jpg

Zoli.


Az üzenetet módosította/Modified by csewe - Szombat, 2013-08-03, 07:10
 
Honk Dátum/Date: Szombat, 2013-08-03, 16:40 | Üzenet/Post # 89
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Look! no halo
I'm almost to a place where I can try it on new wood. PicD and PicEngrave Pro4+laser I'm loven it
Thanks Jerry

Csatolások/Attachments: 3395231.jpg(200Kb)
 
tweakie Dátum/Date: Szombat, 2013-08-03, 18:00 | Üzenet/Post # 90
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Excellent work Jerry - you'r well on your way now. respect

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
JJWMACHINECO Dátum/Date: Szombat, 2013-08-03, 23:07 | Üzenet/Post # 91
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My first successful analog modulated engraving was done almost a year ago and I did it on a cheap simulated wood plaque. The fumes were so bad I swore I would never try that again. I finally rigged up a fume extraction system on my servo router, so I decided to try one again. I did this one at 170 IPM with a .007" pixel resolution and 3/4 power on my laser. This was a picture of a car I sold years ago. It came out a little dark and I should have backed off the power a little.

Tweakie, you probably will recognize one of these. It was a RHD car.  up

Jeff

Csatolások/Attachments: 3707954.jpg(96Kb)


Extensivly Re-worked/Re-designed/Modified Servo K2CNC KG-3925 and the Mini Laser Engraver

Az üzenetet módosította/Modified by JJWMACHINECO - Vasárnap, 2013-08-04, 10:19
 
picengraver Dátum/Date: Szombat, 2013-08-03, 23:41 | Üzenet/Post # 92
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Jerry,
I'm uncrossing my fingers now. smile   Good job.

Jeff,
You still have no competition. biggrin

John


I paint with a blue light beam.
 
tweakie Dátum/Date: Vasárnap, 2013-08-04, 06:55 | Üzenet/Post # 93
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Idézet
Tweakie, you probably will recognize one of these. It was a RHD drive car.


Nice work Jeff - Looks like the Mk11 biggrin

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
JJWMACHINECO Dátum/Date: Vasárnap, 2013-08-04, 10:57 | Üzenet/Post # 94
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Idézet (tweakie)
Nice work Jeff - Looks like the Mk11

Thanks Tweakie and you are very close. It was a 1965 S-Type. It only had 45,000 original miles on it when I sold it. It being a RHD car, I had a heck of a time getting used to driving it here in the USA and it was impossible to safely pass anyone as you can imagine.  eek

Jerry, I'm glad to see you have your system worked out finally and I have to say, I would not be getting the results I am without PEP4 + Laser. I love it too!!

John, your engraving is excellent and I would say your catching up very, very fast.  respect

Jeff


Extensivly Re-worked/Re-designed/Modified Servo K2CNC KG-3925 and the Mini Laser Engraver

Az üzenetet módosította/Modified by JJWMACHINECO - Vasárnap, 2013-08-04, 10:57
 
Honk Dátum/Date: Hétfő, 2013-08-05, 03:21 | Üzenet/Post # 95
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I'm Back in trouble again. It is a lot better but the old problem is coming back. It comes and goes and I don't know why. It has some lines on mach3 program about where the problem areas are but could be nothing. I don't know this but could H2O laser temp cause this? The 5 lines in the center happened right after I added Ice pack to the water and the temp went down around 71 to 75 deg. F. And as it wormed up the problem went away. I don't see how that would do that. I see the X axis move over in Y and back  just a few thousands at a time and randomly (Always -).  Also Y will move in X  and leave spaces and then double up and make dark lines. Also at the start of the program I think I need to worm things up before I start. Just a guess. That is quite a big program 5 Hrs. up to that point. But it is sure good when it's good!!
Jerry

Csatolások/Attachments: 1385859.jpg(106Kb) · 8833072.jpg(42Kb)


Az üzenetet módosította/Modified by Honk - Hétfő, 2013-08-05, 03:26
 
tweakie Dátum/Date: Hétfő, 2013-08-05, 07:00 | Üzenet/Post # 96
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Idézet
It has some lines on mach3 program about where the problem areas are but could be nothing.


Jerry,

If you Zip and post (or send me) a copy of that particular GCode file it can be checked out.

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
picengraver Dátum/Date: Hétfő, 2013-08-05, 13:38 | Üzenet/Post # 97
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Jerry,
Are you generating the gcode file with the same computer that controls your laser?  It's not likely, but I'm wondering if it might have some faulty RAM.
John


I paint with a blue light beam.
 
Honk Dátum/Date: Hétfő, 2013-08-05, 15:45 | Üzenet/Post # 98
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John
You are right I am generating the G Code on a different computer. The computer on the machine is my second try and it did stop the waves I was getting (I think). Tweakie mentioned I might try a smaller file size. As the size of that one is over (1,892,680 lines of GCode). The  computer I am on, that I use for the code work, is the same one I used to write the same picture for the router with PEP4. It came out great. I'm just guessing but the file size .for the laser is probably 4 times as big as the router file size??? When this happens and it makes the mistake, it seems to do it in X and Y at the same time and than it corrects itself. It's like it (adds or subtracts) some lines to the picture then it corrects it ???. Here is a close up of the picture at the spot it did this. It was right after I added some ice pack to the H2O and the water temp dropped . I would not think that would cause this but it did go away after it wormed back up. I'll try it again but that was at about 4 hrs. into the job and I won't know until it does it again. It does help to keep my stack of firewood full.
Thanks Jerry

Csatolások/Attachments: 1080421.jpg(48Kb)
 
picengraver Dátum/Date: Hétfő, 2013-08-05, 16:23 | Üzenet/Post # 99
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Jerry,
Were you adding ice the other times it messed up?  If so, it may be thermal expansion/contraction shifting the alignment of your laser beam.  it certainly might explain your strange results.  Try running with a constant water source instead of recirculating water if you can.  Add a radiator to the return cooling water if you can't test with a constant source (a garden hose?).
JohnC


I paint with a blue light beam.
 
tweakie Dátum/Date: Hétfő, 2013-08-05, 17:42 | Üzenet/Post # 100
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Idézet
Try running with a constant water source instead of recirculating water if you can. Add a radiator to the return cooling water if you can't test with a constant source (a garden hose?).


Perhaps a heat exchanger for the constant source idea ? (It would be unwise to circulate other than 'distilled' or 'de-ionised' water through the tube itself). smile

Tweakie.


Success consists of going from failure to failure without loss of enthusiasm.
 
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