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Some early embellishment projects (Read 1,102 times)
 
Bert Delisle
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Some early embellishment projects
Feb 19th, 2017 at 9:13am
 
A couple of Lichtenburg projects, segmented platters with some pizazz added.
C&C welcomed, the only way to get improvements is to have views from others eyes, diversity of opinion helps. Thanks in advance for responses.
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« Last Edit: Feb 19th, 2017 at 9:17am by Bert Delisle »  
 
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Steve nix
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Re: Some early embellishment projects
Reply #1 - Feb 19th, 2017 at 10:26am
 
Very nice. I like the wildlife scenes.
Question, did you make your burning equipment or is there one comericai available ? I would like to do some platters, but not too crazy about being fried in the process 🤔
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Bert Delisle
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Re: Some early embellishment projects
Reply #2 - Feb 20th, 2017 at 10:53am
 
I made my own system, after doing my own research and incorporating safety features, control and power monitoring  options that are not in the commercially available unit.
Any tool has inherent risks. In my opinion handling energized high voltage is not safe in the long run. Recognize the hazards and stay safe.
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Glenn Roberts
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Re: Some early embellishment projects
Reply #3 - Feb 21st, 2017 at 7:54am
 
Bert, Did I see a variac in photo of your system?
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« Last Edit: Feb 21st, 2017 at 7:54am by Glenn Roberts »  

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Bert Delisle
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Re: Some early embellishment projects
Reply #4 - Feb 21st, 2017 at 9:33am
 
Glenn Roberts wrote on Feb 21st, 2017 at 7:54am:
Bert, Did I see a variac in photo of your system?


Yes Glen, I use a Variac. When I started down this vortex I was frustrated with the flash overs and heavy burns as well as the times that there was nothing happening. I have an electrical background and felt that doing this electrical activity blind and with no control was unacceptable. Hence the power meter and Variac, Mother Nature still has the final influence on burn pattern but at least I have gained some insight on some of the difference combinations of woods and various electrolytes and the effects they produce.
Like any tool it takes practice practice practice, but practice with no feedback or control is hard to qualify work practices.
That's just how my brain space echoes,  Shocked Roll Eyes
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Tom Coghill
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Re: Some early embellishment projects
Reply #5 - Feb 21st, 2017 at 5:15pm
 
Bert - I like to darker animals against the lighter background.  Many wild wolves are black.

  You are doing VERY WELL with the zapper!  To keep this short (HA!), I will just say that I did not go down that trail.
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Arlin Eastman
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Re: Some early embellishment projects
Reply #6 - Mar 24th, 2017 at 10:38am
 
Very very nicely done
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Glenn Roberts
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Re: Some early embellishment projects
Reply #7 - Mar 24th, 2017 at 8:00pm
 
Bert, copied your idea of the 2 hand safety switches, and the variac. The microwave trans I used was too hot, but the variac tamed it.  Not sure what you are using the meter for, the variac has its own numbered dial. I use that to determine the level of input voltage needed. Monitoring current?
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Bert Delisle
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Re: Some early embellishment projects
Reply #8 - Mar 25th, 2017 at 10:35am
 
Good to hear Glen, one needs to be so careful with electricity.
You may still find that the MWT will blow the fuse in your Variac if you let the burn tracks connect, which electrically is a dead short.
Neon sign transformers on the other hand are designed to be  current limiting so even when tracks connect there is no flash over. This is a a great feature when doing porous wood that actually burns under the surface and pops up in unexpected places. I watch the power meter set to measure "watts" to gain information on the characteristics of wood species and solutions. It is especially useful when doing new woods or very thin projects. I have done as thin as 2 mm with only 5 watts of energy. My very first thin projects without the meter blasted right through. For me the meter is important in combination with the Variac to record the energy info. Watts in = Watts out, therefore some simple math can help determine what's going on. Volts times amps equals watts therefore watts divided by volts equals amps, so it is easy learn how many milliamperes is being applied to the wood to create the burn. 
Stay safe and have fun.
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Steve Bistritz
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Re: Some early embellishment projects
Reply #9 - Mar 30th, 2017 at 12:33pm
 
Bert, where is the photo of your system????
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Ed Weber
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Re: Some early embellishment projects
Reply #10 - Mar 30th, 2017 at 1:06pm
 
Bert Delisle wrote on Feb 21st, 2017 at 9:33am:
Like any tool it takes practice practice practice, but practice with no feedback or control is hard to qualify work practices.


Well said
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Bert Delisle
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Re: Some early embellishment projects
Reply #11 - Mar 31st, 2017 at 12:40am
 
Steve Bistritz wrote on Mar 30th, 2017 at 12:33pm:
Bert, where is the photo of your system????


Hmmm it must be in one of the earlier threads.
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Steve Bistritz
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Re: Some early embellishment projects
Reply #12 - Mar 31st, 2017 at 7:58am
 
Found it! What do you use as a catalyst????? So the power goes through the variac, then through your safety switch from one button to the other, then to the neon transformer, to the leads???? Sorry for the questions....have all the parts just doing tons of research first...
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Steve Arnold
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Re: Some early embellishment projects
Reply #13 - Mar 31st, 2017 at 8:32am
 
Steve nix wrote on Feb 19th, 2017 at 10:26am:
Question, did you make your burning equipment or is there one comericai available ?


Yes there is, but it's a little pricey.

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Bert Delisle
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Re: Some early embellishment projects
Reply #14 - Mar 31st, 2017 at 9:14am
 
I tested a large number of different electrolyte solutions, baking soda, KCl, MgCl, Alum, Borax, CaCl, NaCl. I found Baking soda works but stains the wood, some woods more than others. I have used Borax to get a specific burn pattern, heavy trunk with less detail, and now mostly use MgCl,( ice melter) as it does not appear to react with wood, less if any staining. Washes off easily as well. If you don't wash the burnt piece the salts will react with your finish, ugh, DAMHIKT.
There is a commercial unit available but in addition to the price it has, in my option a fatal flaw. It uses hand held probes on the HV side. I would never consider handling any HV components when energized, my probe holders work on every shape and size piece I have done. Some times an elastic band helps.
Safety first. We do not want to hear about any electrocution incidents.
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Steve Bistritz
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Re: Some early embellishment projects
Reply #15 - Mar 31st, 2017 at 10:24am
 
Its hard to see from the photo...is this similar to your third hand? (except the huge bare part of the wire) Thanks!
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Bert Delisle
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Re: Some early embellishment projects
Reply #16 - Mar 31st, 2017 at 11:20am
 
That is similar however I use some small wood pieces to make a knuckle joint(tee nuts and all thread) and then used 1/2" dowel friction fit in a hole on the end piece to allow for rotating. Then I drill the probe hole across the end of the dowel. I use a small alligator clip to attach to the probe. The probe is just a straight piece of hardened copper wire (twisted solid strand with a drill) slightly sharpened on one end. With knuckle and swivel I can place the probe on any shape easily and then clip the leads to the copper probe. In the picture I posted on a previous thread you can see the wood knuckle and dowel with probe. I also use rubber bands sometimes to help hold things in place, it doesn't take much, gravity is your friend most times.
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« Last Edit: Mar 31st, 2017 at 11:25am by Bert Delisle »  
 
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Bert Delisle
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Re: Some early embellishment projects
Reply #17 - May 3rd, 2017 at 8:16am
 
I had the opportunity to do a demonstration of Lichtenburg Pyrography at our local guild May meeting. The response from the group was very rewarding. The focus was primarily on identifying the hazards and demonstrating how I protect myself. We had three systems available so that folks could see the differences. The hazards of each were slightly different as the transformers by different manufacturers are slightly different. Then we got to the fun stuff and burned a few projects. A couple of members brought projects to burn. Great time had by all with lots of group engagement and questions.  No one fell asleep during this demo, a camera and overhead projector used made easy for every one to see the action.
We tested burning through a very thin bowl on purpose, it was a first for me and it worked very well. We tried putting solution on both inside and outside of the thin bowl, a great experiment that has much potential.
Lots of interest in this technique and doing it safely is paramount, my demonstration was motivated by a desire to help identify some hazards and encourage folks wanting use it to never handle any energized leads, Safety first. Our club now has at least five members with systems that incorporate safety switches, those who are not interested in making a system but would like a project embellished can ask for assistance from one of the members who have one.
Remember stay safe and have fun turning and burning the wood.
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