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Re: Large work holding

 

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I¡¯m too lazy to look it up but there¡¯s an arbitrary point, about 500C I think, that delineates soldering & brazing.

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Otherwise as said it¡¯s just melting a filler material into the joint.? Where the heat comes from doesn¡¯t matter, I¡¯ve used a torch on electronics (some things really need a lot of heat that most soldering irons just can¡¯t deliver).

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Tony

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From: [email protected] <[email protected]> On Behalf Of Bruce J via groups.io
Sent: Saturday, 21 September 2024 5:43 AM
To: [email protected]
Subject: Re: [7x12MiniLathe] Large work holding

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And honestly the only difference between ¡®brazing¡¯ and ¡¯soldering¡¯¡­is the temperature.?

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Both are the same process: joining metal by melting a metal of a lower melting point to ¡®wet¡¯ the metal to be joined with the aid of a flux.

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Cleanliness, flux, heat.?

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On Sep 20, 2024, at 10:01?AM, Miket_NYC via groups.io <mctaglieri@...> wrote:

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Actually, that old plumber's "3 basic rules" apply just as well to brazing as to soft soldering. You're just using different flux and (a lot) more heat.

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Mike Taglieri?

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On Fri, Sep 20, 2024, 12:46 PM Ralph Hulslander via <rhulslander=[email protected]> wrote:

You do not want to "solder" a steam boiler! You need to braze it.

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I do have to admit I have soldered a steam coil which was not directly fired.

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Ralph

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On Thu, Sep 19, 2024 at 9:07?PM Roy via <roylowenthal=[email protected]> wrote:

The old plumber who taught me to solder had 3 basic rules:

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?1. Cleanliness is the key to success - surfaces to be soldered MUST be cleaned to bright, shiny metal.

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?2. Flux is your friend - apply it to all surfaces before heating.

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?3. Solder flows towards the heat source - that was before hot melt glue guns were common.? The basic idea was to apply heat to the area you want the solder to flow towards, not the outer surface.

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Roy

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--?
Bruce Johnson

The less a man knows about how sausages and laws are made, the easier it is to steal his vote and give him botulism.

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