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| Re: [Orchid] Anodzing Power Supply | ||
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From: Sullivan, Rick Date: Tue Aug 24 01:13:27 2004 |
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========[ Invite a Friend - http://www.ganoksin.com/invite.htm ]======== > But before taking the leap, I want to ask Rick whether he has found > any shortcomings with it, and Bill Seeley what I may have > overlooked about his unit, since I am a longtime and loyal > customer of Reactive Metals. Yes, Reactive Metals has been a super supplier! I considered sending them this information off line so they might re-sell it as a low cost alternative, but the price was so low it did'nt seem that it would be worth their effort. > the website does not seem to say (though I don't really understand > the arcane language of electronics) by what increments you can > adjust the amperage (*not* the voltage). Can you enlighten me? Do > you understand the function of the "constant current" button? I have not used the constant current button but don't think it is of much use in my applications , unless you wanted to slow down the process. The constant current function maintains a constant current out of the supply as the resistance of the load changes. The "load' in this case is all devices external to the supply output (leads, TSP solution, anode and cathode materials). The current output of this supply is not adjustable beyond the use of this CC button. The current should only affect the speed at which the oxide film is formed. I find that at lowest voltages it does take a little more time to color the piece. Since power3Dcurrent x voltage (P3DIE), the power to form oxides is less because the supply is limited to 1 amp of current. After 10 volts or so, the piece/pieces color very fast. The voltage, not the current, determines the thickness of the oxide formation, and thus the color. The voltage adjustment sensitivity is pretty decent. I can adjust to tenths of a volt. The supply sold at Reactive metals seems to have a much finer adjustment capability for both current and voltage. These feactures might be good in a production environment. Also, this would be worthwhile if we knew the exact setting for each color, but there are too many other variables in the surface preparation to predict with any accuracy. I bought a "how to" video tape from Toika Bridges ( http://www.artcraftworld.com/titanium.htm ) that is excellent, and she recommends experimenting to correlate voltage with color. > Are you thrilled with the performance (and have you used > some other unit for comparison)? Yes! I was concerned that 1 amp might not be enough. All the how literature used 2 amp supplies or more. I took a financial risk buying the lower amp supply, and was blown away at how well it worked.....I had to share my experience. ____________________________________________________________________ T h e O r c h i d L i s t Open Electronic Forum for Jewelry Manufacturing Methods and Procedures ____________________________________________________________________ Orchid FAQ: ~ http://www.ganoksin.com/orchid/faq.htm Orchid Archives: ~ http://www.ganoksin.com/orchid/archive Orchid Galleries: ~ http://www.ganoksin.com/orchid/gallery.htm Invite a Friend: ~ http://www.ganoksin.com/invite.htm ____________________________________________________________________ Tips From The Jeweler's Bench - Article Archive ~ http://www.ganoksin.com/borisat/tip_sear.htm The Jeweler's Selected Bibliography List ~ http://www.ganoksin.com/jewelry-books Buy Orchid Jewelry: ~ http://www.ganoksin.com/shop ____________________________________________________________________ -Unsubscribe: -Email: orchid-request AT ganoksin.com Body=unsubscribe subject=blank ____________________________________________________________________ |
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