Topic: Expert Plater seeking new challenge [ Started by Dr. A. in Job Opportunities : 0 replies ]

Production manager for mid-sized plating company may be seeking a new challenge. I have 25 years of experience in the plating field.

Experience: Sulphamate, bright and electroless nickel. Also in electropolishing of stainless steels and electrocleaning. I was taught by a local Russian plating expert who is well known in the field.The systems that I have been in charge of have been running trouble-free for the last ten years now. I am energetic (I play lacrosse with people half my age) and willing to still learn. Also willing to relocate.

Re: Copper plated pillars are looking dome shaped instead flat [ Started by sathish.y in Electroplating : 3 replies ]

Without seeing a picture, I would venture to say that you have some contamination in the tank. Check that your filters are running, and maybe change the filter media while you are at it.

If what I am thinking of is true, you may want to search on the term "Treeing" and see if any pictures you find are similar to what you have.

Hope this helps!

Re: Good book on electroplating [ Started by sathish.y in Electroplating : 1 replies ]

ASM Metals Handbook Vol. 5 Surface Cleaning, Finishing and Coating.

Electroplating Engineering Handbook by Lawrence Durney.

Metal Finishing Guidebook and Directory.

Good luck!

Re: Blisters on electrocleaning [ Started by Daniel in Electroplating : 3 replies ]

My best success with plating brass was where I did an acid dip after the electroclean. 

Keep in mind, that although nickel can be deposited directly on plain carbon steels and most low-alloy steels, copper and brass, it cannot be plated directly onto lead, zinc, zinc-based alloys and copper alloys containing more than 40% zinc.  If this is the case, an undercoating of 0.2 - 0.4 mils of copper are recommended.

Hope that helps, Daniel.  

Re: help with plating from the start [ Started by nackymoo in Electroplating : 4 replies ]

By the time you buy tanks, heaters, filters, pumps, baskets, anodes, chemicals and about a thousand other things you will need, it would have been 95% cheaper to have a professional do it for you.  And that doesn't include the headaches of plating for the first time.  It is no where as easy as you may think it is.

Re: Info on Globrite #4??? [ Started by Lewis Run in General Discussion : 1 replies ]

I tried searching for it, but I got results ranging from fly fishing equipment to car parts to electropolishing solutions and a whole lot of stuff in between.  Do you know who made it?  What is it for? (I'm assuming its the EP solution seeing as this is a finishing message board). :-) 

Re: Boric acid consumption in nickel plating tank [ Started by Barb in Electroplating : 9 replies ]

How does your finish look? Is it darker?  Is it rougher? How do your anodes look? Are they black? Are there enough anodes in the baskets? How are the anode bags? Have they been cleaned recently? How is your anode to cathode ratio?

Are your titrants made correctly? (Might seem like a silly question, but we did get a bad titrant many years ago before we made our own).

If what you are saying is accurate, the nickel and boric are going somewhere. If the nickel is not leaking out of the tanks, as seems to be the case from here, then I would believe that it is being depleted from solution without being replaced.I can't think of a reason other than solution leaking out and a temperature drop that would cause the boric level to drop.

Do you have an auto-fill? Could the solution be leaking out somewhere and the tank is automatically refilled with water? This would keep the solution level the same but decrease the concentration.

Where is your pH?&#x …

Re: Boric acid consumption in nickel plating tank [ Started by Barb in Electroplating : 9 replies ]

I suspect that if you know the reason for your concentration drop, then you also have found the reason for your boric acid drop.

Re: Nickel Electroforming with a twist [ Started by radam in Electroplating : 1 replies ]

http://www.pfonline.com/articles/clinics/1207cl_plate2.html

I found this on here.  Hope it helps.

Re: Porosity ( bubbles ) in sulfamate nickel plating [ Started by Batta in Electroplating : 2 replies ]

Some other possibilities;

1.  Organic contamination.

2.  High pH

3.  Low boric acid concentration.

4.  Anode to cathode ratio out of whack.

5.  Poor contact.

6.  HIgh iron concentration in the bath.

7.  Low wetting agent.

Hope this helps!

Topic: Applying copper to brass [ Started by Dr. A. in Electroplating : 1 replies ]

I've been nickel plating for a long time, and we are taking our first dive into copper plating. This is also our first crack at reel to reel plating. We are attempting to copper coat brass-plated wire.The manufacturer of the wire assures us that there is nothing on the wire other than the brass, i.e. no rust preventatives, oils or preservatives.

We have some differing opinions on how to proceed;

1. Anodic alkaline cleaning. Does anyone think it would still be a good idea? I would like to run an alkaline cleaning even though the wire is "clean" but others here do not want to waste the time and energy.

2. Anodic vs. cathodic acid cleaning vs just an acid dip. We had tried a cathodic cleaning, but didn't get good adhesion of the copper to the brass. Anodic was much better. The wire passes through this tank in two seconds, so whatever we are doing has to be done quick. The acid is a 25% solution of hydrochloric. Either way,the cleaning was done at …

Re: Nickel plating on heaters [ Started by Dr. A. in Electroplating : 3 replies ]

Thank you for the advice!  We built a polypro frame to go around the dummy so that it doesn't happen in the future. I put an old anode basket in dry nitric over the weekend and it was fine this morning, so we swapped out heaters and am going to try and strip this heater. 

Topic: Nickel plating on heaters [ Started by Dr. A. in Electroplating : 3 replies ]

When we drained a system today to do some maintenance on it, we noted that our dummy plate came in contact with our titanium heater causing quite a bit of nickel to plate on it.  Is there a safe way to strip the nickel off the heater?  Our chemistry handbook notes that titanium is soluble in dilute acid.  Does that mean I could strip it in dry nitric?   We occasionally strip carbon steels in dry nitric without an issue so I was wondering if I could do it here.  We also use nickel strippers too, but because this would take so much longer I don't want to get into them unless necessary.  Any other ideas?

Re: Dummying Tanks before Starting electroplating [ Started by Harold Evans in Electroplating : 6 replies ]

Thanks!

Re: Dummying Tanks before Starting electroplating [ Started by Harold Evans in Electroplating : 6 replies ]

[quote=DustinGebhardt]Those type of panels tend to work very well. They can also be rotate 90 degrees to help remove shelf roughness in a pinch. The smaller you make the "shelves" the more uniform the surface area will be, and generally the more effective the panels will be. This will allow you to HCD dummy the bath without affecting the LCD chemicals, and vice versa. With panels that have larger folds, you tend to build up a lot of plating on the corners and very little in the concave areas, making the panels less efficient.
[/quote]

This was a very thought provoking post, so much so that I have a few questions of my own based on it. I apologize in advance if any questions are redundant or ignorant.

1. The idea behind bending the dummy is to create high and low current density areas, is it not? So does that mean you coat the backside of the dummy so that it doesn't plate, or do you put anodes on both sides? Seems like the backside of the dummys pictured  …