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Questions tagged [metalwork]

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25 views

Metal sheet forming - material properties when switching material

What does one have to look out in material properties when changing material grade in cold sheet forming operation (example: from DC04 to DC03 or to DC01). Operation is mostly made of 90°bends and ...
2
votes
0answers
24 views

Springback in carbon/HSLA steel - cold forming

What are the measurements denoted on top of the YS-t steel lines? Material thickness or bend radius? ...
0
votes
1answer
103 views

Why do blacksmiths use these 2 tools which seem to do the same thing

In this video and in many others I've seen, smiths use 2 different "hammers" to forge metal together. One seems to hit it repetitively with less force (0:30 in the video) while the other &...
4
votes
1answer
295 views

What is this "clamp" place on a piece of bar stock while turning it in a lathe for?

I am watching a Youtube video depicting someone machining a crankshaft for a miniture rotary engine. Around the 4:27 mark after preparing some bar stock the person in the video places some sort of ...
2
votes
1answer
39 views

How can I build propane torch burners that have a custom configuration?

For doing hard soldering I would like to have a propane burner with a custom configuration. The reason for this is that when soldering there is a region that ideally should be heated slowly, ...