Electorlyte needed

Once you have cut a master laquer, you have metal stampers created and have records pressed from them. Discuss manufacturing here. (Record Matrix Electroforming- Plating, Vinyl Record Pressing.)

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eav987
Posts: 19
Joined: Wed Nov 24, 2010 9:33 am

Electorlyte needed

Post: # 27489Unread post eav987
Mon Oct 21, 2013 6:57 am

Hello,

May be somebody can advise where to buy liquid? We bought in our country and our machines didn't like it.
I have some specification:
Nickel sulfamate electrolyte
composition:
Nickel sulfamate - 370-410 g/l,
nickel chloride - 15-20 g/l,
boric acid - 35-40 g/l,
pH 3,5-4,0
operating temperature - 45-55 degrees Celsius
Cathode current density - 5-12 A/dm2
mixing - pump

Thanks!

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Aussie0zborn
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Joined: Sat Mar 11, 2006 8:23 am
Location: Australia
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Re: Electorlyte needed

Post: # 27490Unread post Aussie0zborn
Mon Oct 21, 2013 9:05 am

What machines are you using?
What was the problem?

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eav987
Posts: 19
Joined: Wed Nov 24, 2010 9:33 am

Re: Liquid needed

Post: # 27491Unread post eav987
Mon Oct 21, 2013 9:57 am

We have machines Musitech. But problem not in machines.
Engineers found in liquid big quantity of addition material.
And this additions don't give to work.

andybee
Posts: 705
Joined: Mon Aug 14, 2006 2:12 pm
Location: Germany

Re: Electorlyte needed

Post: # 27494Unread post andybee
Tue Oct 22, 2013 5:47 am

maybe try :

http://www.ampere.com/

they are experienced in record galvanics!
there is also a recipe in the basic disc mastering book,
this is old, but has all the basic infos inside.

where you are located?

good luck!

Andreas

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eav987
Posts: 19
Joined: Wed Nov 24, 2010 9:33 am

Re: Electorlyte needed

Post: # 27497Unread post eav987
Tue Oct 22, 2013 10:07 am

Thanks! I will try it!

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Aussie0zborn
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Re: Electorlyte needed

Post: # 27498Unread post Aussie0zborn
Tue Oct 22, 2013 10:15 am

You have Musitech plating tanks? That is unbelievable... You must have the only Musitech galvanic system around.

What was the foreign material in your electrolyte solution?

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mossboss
Posts: 2063
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Location: Australia.

Re: Electorlyte needed

Post: # 27504Unread post mossboss
Wed Oct 23, 2013 3:36 am

eav987 wrote:Hello,

May be somebody can advise where to buy liquid? We bought in our country and our machines didn't like it.
I have some specification:
Nickel sulfamate electrolyte
composition:
Nickel sulfamate - 370-410 g/l,
nickel chloride - 15-20 g/l,
boric acid - 35-40 g/l,
pH 3,5-4,0
operating temperature - 45-55 degrees Celsius
Cathode current density - 5-12 A/dm2
mixing - pump

Thanks!
Before you do anything else get an analysis of the solution you have in the bath and post it up
Your supplier should be able to do that for you
Nickel sulfamate solution can vary in concentration according to conditions but it can be adjusted according to the application
Your Bath solution should have the following composition
Nickel 75-105 g/l
Nickel Sulfamate Liquid 420-588 g/l
Nickel Chloride 6 g/l (see below)
Boric Acid 30 g/l
pH 4
Iron 0 ppm
Copper 0 ppm
Temperature 38-59 C (see bellow)
Now!
Nickel chloride This is used so as to help anode corrosion according to the anodes or nickel chips used
If your anodes are D-chips maximum Ni Ch should be no more than 6 g/l
If you are using electrolytic anodes than up to 15 g/l its OK
You need to check this before you do anything else
Temp
For cut lacquers no more than 38 C or else the soft material will DISTORT
For metal to metal up to 59 C above that you produce ammonia and ruin the solution
Boric acid concentration is strictly a temperature based event The higher the temperature the greater amount of boric acid will be taken by the solution at around the 38-40 C about 30 G/L is about right But you may be better to place an anode bag full of boric acid in the solution and let the solution take what it needs It will take the boric acid to saturation according to temperature set
If you are starting out with a new bath you need to dummy plate the bath until 10 amps per litre of solution has gone through so as to remove all impurities in the solution
Do this at the lowest possible current If you can control voltage it should be done at the lowest voltage available in your system
The machine has no bearing on the process, so telling us the machine does not like it makes absolutely no sense at all it is a case of chemistry and application
The machine is just a power supply and a simple bath that circulates the liquid it has no great bearing on the actual electroforming process assuming that one has current control and the motors spin
This is not a case of Good Luck it is a case of Knowledge
cheers
Chris

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