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homemade anodizer solution...would this work?
- Thread starter SkaerE
- Start date
- Joined
- Nov 24, 1999
- Messages
- 4,981
I don't know too much about the process, but it sounds like that would work. I've read somewhere that you can even make a set up with a battery charger.
One thing that might be a problem is how fine the control is. If you don't have really fine adjustment over the range, you don't have as much control over what colors you get.
One thing that might be a problem is how fine the control is. If you don't have really fine adjustment over the range, you don't have as much control over what colors you get.
- Joined
- Nov 24, 1999
- Messages
- 4,981
Well that sounds good to me, but like I said I've only read about it and don't know a whole lot.
The voltmeter would be handy, that way you could keep notes on what you did to get certain colors you like.
The voltmeter would be handy, that way you could keep notes on what you did to get certain colors you like.
the issue might not be if it's "infinite" or not, but how much the voltage changes with how much of a turn of the pot.
I've made a homemade setup (based on these instructions) that works... sort of. It goes from 0-130V in about 270 degrees (3/4 turn). One volt is a small enough turn that it's almost impossible to get to the same voltage twice in a row. And AFAICT you need around 0.1 V repeatability to get some of the cool colors consistently.
Voltmeter is ESSENTIAL...
SkaerE
I do not recommend that you use DC motor controller for anodizing. Both of the two output terminals of your controller are likely to be at quite lethal voltages (over 160V). This means that both your anode and cathode will be at lethal voltages too. It is too easy to forget that and go pick up your piece to check on it without turning the power off first or accidentally brush up against them.
My experience, has been exclusively with AC motor controllers, as a designer, but DC controllers have a lot in common with AC controllers. I had originally typed out a fairly long response showing how you might be able to use use your controller but I thought better of it because of the posibility of serious injury or death. The currents needed to blow any fuses in the controller or circuit breaker panel or to cause any protective feature of the controller to take effect are thousands of times greater than the current needed to cause death. Also, the controllers generally store more than enough energy in them to cause death.
With a variac and rectifier set-up, one side, could be connected to earth, making it much safer.
It sounds like a great deal for control your grinder though. Stay safe. Hope this helps.
Phil
I do not recommend that you use DC motor controller for anodizing. Both of the two output terminals of your controller are likely to be at quite lethal voltages (over 160V). This means that both your anode and cathode will be at lethal voltages too. It is too easy to forget that and go pick up your piece to check on it without turning the power off first or accidentally brush up against them.
My experience, has been exclusively with AC motor controllers, as a designer, but DC controllers have a lot in common with AC controllers. I had originally typed out a fairly long response showing how you might be able to use use your controller but I thought better of it because of the posibility of serious injury or death. The currents needed to blow any fuses in the controller or circuit breaker panel or to cause any protective feature of the controller to take effect are thousands of times greater than the current needed to cause death. Also, the controllers generally store more than enough energy in them to cause death.
With a variac and rectifier set-up, one side, could be connected to earth, making it much safer.
It sounds like a great deal for control your grinder though. Stay safe. Hope this helps.
Phil