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Solution Insulated Cutters
#1
a bit sloppy, but safer than exposed metal

   
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#2
Hmm, that's better but it still doesn't cover the tips. What about plastic covered fabric shears like this? I'm not sure they'll have the strength to cut through the metal though.
[Image: 823601_BB_00_FB.EPS_1000.jpg]
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#3
I wonder if some narrow kerf nippers would be safer? These are spendy, but also I think small enough? https://www.amazon.com/Tools-90-55-280-N...B00OYQ3MBA
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#4
(01-18-2018, 07:14 PM)ahalekelly Wrote: Hmm, that's better but it still doesn't cover the tips. What about plastic covered fabric shears like this? I'm not sure they'll have the strength to cut through the metal though

i agree, prolly not strong enuf. Also, a large blade seems harder to control. The strong part of scissors is near the base of the cutters, not near the tips-- so you'd have to insert the entire length of the blade into battery to cut with the strong part of the scissors! Not practical.

I think it's better to do tiny cuts, like a nibbler.


(01-18-2018, 08:08 PM)arlen Wrote: I wonder if some narrow kerf nippers would be safer?

But not insulated. Could DIY insulate with tape.


$40
https://www.ebay.com/itm/162268228563
[Image: s-l400.jpg]

$20
https://www.ebay.com/itm/121751333024
[Image: s-l1600.jpg]

$40
https://www.ebay.com/itm/162268228563
[Image: s-l1600.jpg]

$9. Need to DIY cover with tape. These are a better angle than my OP, for cutting the nickel terminals from above.
https://www.ebay.com/itm/112000654606
[Image: s-l1600.jpg]

DIY 2. Tips covered:
   

Pipe cutters?
https://www.ebay.com/itm/253312377125
[Image: s-l1600.jpg]
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#5
An electric sheet metal shearis not insulated, but able to cut cleanly at the top surface without distorting the metal much or jabbing things below.
It would also be MUCH faster than hand snipping 1cm at a time.
https://www.homedepot.com/p/Milwaukee-6-.../100609514
https://www.youtube.com/watch?v=2gUlcW2bnGc
Main risk with these shears will be keeping the curl of cut metal away from other electrodes.
[Image: milwaukee-nibblers-shears-6852-20-64_400_compressed.jpg]Shear


[Image: makita-nibblers-shears-jn1601-64_400_compressed.jpg]Nibbler

Another option is a nibbler, which as the name implies, takes a lot of small bites.
Here's a demo of a pneumatic nibbler. Combine with a vacuum cleaner to suck up all the metal chips before they go somewhere bad.
https://www.youtube.com/watch?v=h0ahn7wld2E
Skip to 0:50 to avoid the annoying commentary.

-Bob
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#6
I'm wondering if the approach should just be something like the metal shears bob posted, or a rotary tool or palm router that is set to just cut 1mm in conjunction with forcing a tool either under the nickel and over the plastic sheeting or under both of them.

Like using a paint stirring stick (relatively thin, stiff and non-conductive) shoved under your cutting path and then you can cut more freely as it acts as a barrier. It looked like a lot of battery dmg can be prevented by controlling depth cuts from the top down only and not having to have an underside of a pair of shears down below the cutting surface. Also could be a pull through, with a rod pushed through as a fish wire and then pulling through a strip of something like PE from a milk jug. I have some old window blinds that I may try to use.

I think one of the main problems with this route is if the batteries get rocked out of place too much. Bludging under the nickel seemed straightforward, under the white swiss cheese plastic seemed less so.
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#7
(01-19-2018, 03:37 AM)rkt88edmo Wrote: using a paint stirring stick (relatively thin, stiff and non-conductive) shoved under your cutting path and then you can cut more freely as it acts as a barrier. Also could be a pull through, with a rod pushed through as a fish wire and then pulling through a strip of something like PE from a milk jug.

I don't understand. Can you try that and show some pics or video? -thx!

(01-19-2018, 02:19 AM)bob Wrote: Main risk with these shears will be keeping the curl of cut metal away from other electrodes.

Need a way to mitigate that risk.
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