Wire recommendation

Started by rousejeremy, November 10, 2018, 03:12:03 AM

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Sooner Boomer

Quote from: EBK on November 11, 2018, 07:10:47 AM
I remember seeing a video clip of someone using some very small gauge wire, like wirewrap stuff, simply forgoing the step of stripping and allowing the soldering iron to melt whatever was in its way.  The result actually looked very neat and the circuit was functional.  I'll have to find it again.

There used to be wire wrap wire that had insulation with a very low melting point; you didn't need to strip it before soldering.  There was also a wrapping device (gun?) that would slit the insulation on the inside of  a wrap.  Again - no need to strip. 

On the other hand, I've got some Belden 8072 36ga w/polythermaleze insulation.  It's high temperature.  Dragging it across a soldering iron (or through melted solder) does nothing.  Heating it in a lighter flame melts the wire and coats it in soot that won't wipe off.  I emailed Belden about their recommended method for stripping the wire.  Officially, they have no recommended method.  The only thing I've found is to carefully scrape the insulation off with a sharp knife, taking care not to nick the wire or cut it off.
Dan of  ̶9̶  only 5 Toes
I'm not getting older, I'm getting "vintage"

PRR

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Rob Strand

QuoteI emailed Belden about their recommended method for stripping the wire.  Officially, they have no recommended method.

Not know how people can use your product is pretty bad form.

Quotehttps://www.eraser.com/products/wire-cable-strippers/wheel-strippers/

It's always amazing when you dig into industrial processes how many alternate technologies are out there.

For the implants it's common to route 10+ thin conductors up the one cable.  If you look the cables on ear-bud type headphones and they use a heap of enamel coated wires all going up the same sheath.  The implants don't do that.  They knit (or some other method) *bare conductors* and insulating material (for example like fishing line) together in such a way that the conductors don't sort.  The insulating material keeps the conductors separated.  There's the equivalent of an outer sheath as well.  The result is a very flexible cable.
The obvious solution is the common PVC coating or enable coating but  using separators is out of the box thinking.
Send:     . .- .-. - .... / - --- / --. --- .-. -
According to the water analogy of electricity, transistor leakage is caused by holes.

Sooner Boomer

Quote from: PRR on November 12, 2018, 08:25:13 PM
> polythermaleze insulation ... method for stripping the wire.

https://www.eraser.com/products/wire-cable-strippers/wheel-strippers/

Buy me one of those, wouldya?  I'll send you the address.
Dan of  ̶9̶  only 5 Toes
I'm not getting older, I'm getting "vintage"

anotherjim

QuoteQuote

    I emailed Belden about their recommended method for stripping the wire.  Officially, they have no recommended method.


Not know how people can use your product is pretty bad form.
I suppose if the wire was intended for insulation displacement connection (IDC), stripping isn't required. I saw under UK house wiring regs, junction boxes can be buried without access IF IDC terminals are employed. It's the way the world is heading.

duck_arse

Quote from: anotherjim on November 13, 2018, 05:21:58 AM
QuoteQuote

    I emailed Belden about their recommended method for stripping the wire.  Officially, they have no recommended method.


Not know how people can use your product is pretty bad form.
I suppose if the wire was intended for insulation displacement connection (IDC), stripping isn't required. I saw under UK house wiring regs, junction boxes can be buried without access IF IDC terminals are employed. It's the way the world is heading headering.

fixed it for you, AJ.
" I will say no more "

Sooner Boomer

Quote from: anotherjim on November 13, 2018, 05:21:58 AM
QuoteQuote

    I emailed Belden about their recommended method for stripping the wire.  Officially, they have no recommended method.


Not know how people can use your product is pretty bad form.
I suppose if the wire was intended for insulation displacement connection (IDC), stripping isn't required. I saw under UK house wiring regs, junction boxes can be buried without access IF IDC terminals are employed. It's the way the world is heading.

I don't see how it could be used with an IDC.  Typically, these are (at least in my experience) used with ribbon cable, and secondly, this is "enameled" magnet wire.  It seems to be nice, fine gauge wire - just a booger to strip.  I can't find a chemical that will do it either (without attacking the copper as well).
Dan of  ̶9̶  only 5 Toes
I'm not getting older, I'm getting "vintage"

Rob Strand

QuoteI don't see how it could be used with an IDC.  Typically, these are (at least in my experience) used with ribbon cable, and secondly, this is "enameled" magnet wire.  It seems to be nice, fine gauge wire - just a booger to strip.  I can't find a chemical that will do it either (without attacking the copper as well).

After looking at the datasheet I'm pretty sure the method PRR posted is the way to go (or similar mechanical strip methods).   It suits *all* magnet wire but it is particularly suited to polythermaleze.    It's basically what you are doing.    An older method for magnet wire was to use MEK (methyl ethyl ketone), which isn't nice stuff.   Magnet wire data often have warnings like carcinogenic vapors maybe be given off if heated.
Send:     . .- .-. - .... / - --- / --. --- .-. -
According to the water analogy of electricity, transistor leakage is caused by holes.

rousejeremy

Quote from: italianguy63 on November 10, 2018, 05:01:40 AM
I have a local electronics surplus place here (Orlando, FL) that sells bulk surplus wire -- of all varieties.

I go in and buy 100' feet at a time 24 ga. 9 to 12 conductor shielded wire.  Last time I bought it was $0.35 a foot.

Then, I strip off the outer insulator and shielding... and use the inner wire.  Do the math.  Dirt cheap for quality wire. 

Something you may try.
MC

This is brilliant.
Consistency is a worthy adversary

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