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Old 12th Jun 2021, 7:08 pm   #1
BrianAllen
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Default Strength of Solder for Soldering Bowden Cable Wire Nipples?

Just a quickie.

Can I use the same type solder we use for soldering wire for soldering nipples to Bowden cable wire?

Brian
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Old 12th Jun 2021, 7:15 pm   #2
G6Tanuki
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

What's the wire made of?

If it's steel or - even worse - stainless-steel - you will have problems getting ordinary solder to adhere to it.

[When I re-strung the dial drive on my Eddystone 840A rather than using any kind of solder I dismantled a bunch of 5-amp 'choc-block' connectors and sawed each of the barrels in half to produce a single-screw version; these worked just fine and have the advantage that you can release-and-retighten them if you need to take up a bit of slack]
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Old 12th Jun 2021, 7:23 pm   #3
BrianAllen
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

Just ordinary steel I think; definitely not stainless.

What a good idea, I like the idea of being able to release and re-tighten.

Thank you.

Brian
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Old 12th Jun 2021, 9:37 pm   #4
kalee20
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

I've used standard electronics grade 60/40 solder for bike brake cables. Obviously, the cable must be clean, and spread out inside the nipple. I've never had one pull off.

But - I don't know how well lead-free electronic solder would work. It's not clear from your original post what you mean by "the same type solder we use for soldering wire," hopefully then this answer covers both eventualities!
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Old 12th Jun 2021, 9:38 pm   #5
Refugee
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

Last time I did one I used a crimp solder tag.
The ring part could be cut down if it makes threading easier.
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Old 13th Jun 2021, 3:46 am   #6
TonyDuell
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

When I needed a cable for the cover latch on my R80 disk drive I did what G6tanuki suggests and used cut-down 'chocolate block' innards. Seems to work fine.

The nipples I bought were designed for use on a bicycle and seem to be aluminium. No solder would stick to them anyway. So I didn't bother to check if the solder would stick to the cable or not.
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Old 13th Jun 2021, 5:41 am   #7
trevatxtal
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

"" the cable must be clean, and spread out inside the nipple"".
If the solder flows and the strands spread then it will not fail.
The adjustable clamp (however made) is a much better idea.
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Old 13th Jun 2021, 6:37 am   #8
Restoration73
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

Trouble with 60/40 is it is ductile. A higher melting point 40/60 type is less so, a good
temperature controlled iron (or gas type) may be needed.
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Old 13th Jun 2021, 8:05 am   #9
Radio Wrangler
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

If you're going to gas heat, then silver solder might as well be used. It's a lot less ductile and shouldn't have a creep failure mode like soft solders.

Parts fail when under most stress, so nipples pull off when they're being used. For a bike brake this can be very dangerous. Soft solder would be worrying in some applications.

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Old 13th Jun 2021, 10:11 am   #10
ms660
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

Inserted into a coupling then filled with a Tin alloy (white metal) very very strong, no pullie out.

Lawrence.
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Old 13th Jun 2021, 6:10 pm   #11
MotorBikeLes
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Default Re: Strength of Solder for Soldering Bowden Cable Wire Nipples?

I have been soldering motorcycle cables for the last 60 years, most of the time using normal electronics multicore. With some older stuff, with a hint of rust around, you will need some Bakers fluid to be sure of a good joint. As mentioned above, the creation of a "ball" in the Bowden cable is the guarantor of long lasting success. I have seen stainless steel, but never on a motorcycle, but possibly an acid fluxed wire would be OK provided wire "balled" properly. I have made all my own cables for most of this time and still do.

Les.
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