3 Oxygen Acetylene Flames

The three flames I use in producing metal sculpture.

Category:

Howto & Style

Tags:

• brazing
• copper
• metal
• sculpture
• torch
• oxygen
• acetylene
• neutral
• carbonizing
• oxidizing

[Ekl49]

What brand and model torch are you using?

[897473]

@Ekl49 That torch is a Victor Performer..

[DCBillW]

When brazing thin copper sheet to thin copper sheet, with a LFB Bare AWS A5.27. Should I be using a flux? I'm getting some bad results with and without. Any tips on cleaning the copper prior to brazing? Thanks!

[897473]

@DCBillW I put the flux video up on YouTube. You definitely need flux to braze. I use wire brushing to clean copper. For cleaning copper I use a wire brush on a motor. However you do it, the main point is to remove any oxidization. A basic rule is that clean metal will always braze better than oxidized or dirty metal.

[eineschoneabend]

do you adjust the flame with your shade lense up or down? CAn you please describe this in detail? eg do you have your lense up when striking the flame initially and then put your lens down? is this safe? Cheers

[897473]

I wear dark brazing glasses when brazing. The brazing glasses are down when I light and adjust the torch.

[DCBillW]

@897473 Thanks George, I'll give it a shot, and if I screw it up I'll try the nibbler.  (just not sure it can get the tight corners that I want)

[897473]

@jwcci There are a lot more people wanting to learn to use the oxygen acetylene torch than I would have thought. The oxy/ace torch is one of the most useful tools for a home shop. It is a multi-purpose tool.

Many of the newer welding and cutting tools are single purpose. As much as I like it, my plasma cutter will only cut.

[DCBillW]

Thanks. I am using new stock, so it is clean. I'll check out the flux video.

[897473]

I use 5 llb acetylene and 6 llb oxygen. Of course it depends on the type of work one is doing.