Barrel not annodizing right?

Posted by admin on September 2nd, 2009 at 08:32pm

Okay, so for some odd reason, this barrel I’m trying to do won’t anodize correctly. Everytime I do it, about 40mins into the anodize tank, the rectifier trips and switches over to C.V. mode.
It’s a 14" barrel, so 68.5 sq in. of SA.
For 1mm thickness, at 7CD, this makes 3.33A for 103mins.

For contacts I use Titanium wire and spring tension it inside the barrel bolted to my stainless steel rack.

Any ideas or faults in my math?

This is post is sent to the Surface section from a blog about Aluminium, , Plate, Metals, Nickel, Chemical, Anodising, Chrome , or Chromic acid. Post title is Barrel not annodizing right? and blog title is Powder Buffing – Caswell Inc. Metal Forum. Please click. to view the orijinal source.

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