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2nd November 2021, 07:46 AM #1GOLD MEMBER
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Stainless steel sheet for battery terminals
Ive now bought into a couple of brands of power tools and I want to make some battery adapters so I can use another brands batteries if I forget to charge some. Eg something like this:
Makita to Bosch Battery Adapter by maxxer - Thingiverse
It calls for 1mm stainless steel to be used as terminals. It can be purchased on ebay/aliexpress but shipping is a long time away. Any ideas where I can get it for a reasonable price and a bit faster? Happy to salvage it from another product if you have any ideas or suitable replacement...does it HAVE to be stainless?
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2nd November 2021 07:46 AM # ADSGoogle Adsense Advertisement
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2nd November 2021, 08:21 AM #2Senior Member
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Standard flashing is .6mm so maybe try local plumber or I see you in melb so robot building or similar that make flashing.
no idea on why stainless I would have thought copper or brass?
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2nd November 2021, 08:37 AM #3
It needs the 'spring' quality of stainless and not be prone to tarnishing. Try an electrical contractor for some offcuts or a short length of SS band-it strap.
Those were the droids I was looking for.
https://autoblastgates.com.au
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2nd November 2021, 09:16 AM #4GOLD MEMBER
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Thanks all.
You think galvanised steel is ok? I got heaps of this type of stuff
Abey 25 x 0.8mm x 30m Punched Strapping - Bunnings Australia
Or maybe these shelves are the correct thickness
Handy Storage 137 x 71 x 30.5cm Galvanised 4 Shelf Unit - Bunnings Australia
Looking online, some people are using copper (which I think is even harder to get) or someone used 'zinc piping' which they cut and flattened. I assume zinc piping is just galvanised steel?
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2nd November 2021, 01:19 PM #5
Qwertyu, have you tried a model makers shop? For example:
https://www.hobbytools.com.au/assets...20210309031015
SS Sheet.jpg SS Price.jpg
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2nd November 2021, 01:41 PM #6GOLD MEMBER
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As NCArcher has said it needs to be a spring quality of stainless. Much of the sheet stainless material for sale will not be suitable. You need a ferritic stainless, the main additive is chrome with very little or no nickel.
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2nd November 2021, 10:59 PM #7.
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Interestingly the most common material used as battery terminals are Nickel plated steel, or better still pure nickel strips.
Stainless steel is a relatively poor conductor of electricity being about 6x worse than straight iron, while Nickel has about a 10x greater conductivity than SS
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3rd November 2021, 06:52 AM #8GOLD MEMBER
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Bobl any ideas about where I could salvage some from?
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3rd November 2021, 08:13 AM #9.
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Old battery packs?
Stainless is a lot easier to find, eg: clothes drier drums, old BBQs etc, honestly I would use new Ni strips.
You don't have to wait 6 weeks to get it from china.
eg NICKEL STRIP STRIPS PLATED & PURE Ni 18650 BATTERY CELL SPOT WELDING STRAP | eBay
This one says it will deliver free between 9 and 16 Nov. Express post by Nov 8.
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3rd November 2021, 08:31 AM #10
Qwertyu
I have some stainless, but I am not sure it quite meets the requirements. I measure it at 0.6mm, but it is not spring steel and it is not magnetic. It has a gentle curvature to it, which I don't think would matter as you will be forming it anyway.
P1070927 (Medium).JPGP1070928 (Medium).JPG
Size is 450mm x 170mm
If it is suitable you would be welcome to it for postage cost.
Regards
PaulLast edited by Bushmiller; 3rd November 2021 at 10:15 AM. Reason: Corrected size
Bushmiller;
"Power tends to corrupt. Absolute power corrupts, absolutely!"
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3rd November 2021, 09:45 AM #11
Stainless steel hose clamps. You can buy them just about anywhere. Most will be about 0.7mm thick.
Brad.
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