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Questions tagged [metalworking]

Working and shaping metals with hand tools or machines to create sculptures, jewelry, functional pieces and more.

1
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2answers
26 views

Embedding a neodymium magnet inside a forged/melted aluminum enclosure

I want to embed a rare earth magnet inside some aluminum. Think of it like an aluminum rod that has a thin layer of Al at one end, and underneath is the rare earth magnet. Al melts at 660C. At what ...
4
votes
2answers
61 views

How to Bend Metal Rod to Make a Perch

I want to bend some 1/4" or 1/8" diameter brass rod to make the perch seen in the photo below. Is there an easy way to do this? I tried in a vice and with a mallet but couldn't get nice round bends. I'...
2
votes
2answers
50 views

Kiln elements keep burning out

So, I bought a medium kiln on craigslist for $100. It was old, and my friend and I wanted to upgrade it, so we bought some new heating elements, removed the entire controller-box, bought a ...
1
vote
4answers
43 views

Weatherproofing metal

I have some large galvanized metal disks that I going to grind into an outdoor decoration. Grinding will destroy the zinc covering. It'll be painted afterwards. How can I weatherproof the metal?
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1answer
26 views

Realistic tempered steel effect on aluminum

Im working on a project with aluminum Ive machined. I want to give it the rainbowy effect of heated steel known as the “heat affected zone”. Does anyone have any ideas on how to get the most realistic ...
1
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0answers
46 views

How to connect a motor to move a sensor? [closed]

I've got a CNC/Arduino-like project, for making a photograph of a magnetic field through a plane. It is done by means of a coil: everyone says that's a fake, but that's for real :). Here are images ...
4
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3answers
67 views

What is a castable gold-coloured metal that is less expensive than gold?

I have plans for a table with a gold inlay. Problem is, gold is expensive and the inlay is quite large (it's not a 'wire' inlay - I'd be casting a pretty substantial piece and setting it into the ...
3
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0answers
29 views

What are these blue spots on a AISI 301 steel plate?

Hi, This is a x150 microscope view of a 301 steel plate. It is covered by this type of small blue spots. It appeared after the steel had been treated at 400°C. The subcontractor thinks that the ...
5
votes
1answer
50 views

creating something like an expanding ring mandrel for my homemade lathe

I am crafting my own drill powered lathe so I can improve my ring making. The problem is, even though I can make a working lathe, I do not have a way to securely place the ring in the lathe to make it ...
4
votes
3answers
171 views

What material can be used to create a mold for pouring any molten metal without problems?

I have found that for one to create a mold for pouring molten plastic in it, it only requires clay. But what about metals? Are there easy materials to find so that I can use them to assemble them ...
1
vote
1answer
34 views

How to set the best solution for placing legs in this project

I'm trying to attach legs to the table top (50x50 cm): and having difficulties placing them in the best way so the table can stand still: Can any of you tell what is the minimum distance between ...
5
votes
1answer
29 views

What safety precautions should I take when working with 316L/A4 steel?

I'm working with 316L/A4 steel and I was wondering which precautions I should take when heating it. I want to heat bend a 316L steel rod, so it will need to be heated up to arround 1000°C. 316 is a ...
3
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3answers
25 views

How to drill a hole on diecast toy using dremel?

I just bought a new-ray helicopter diecast toy. I want to modify it a bit, and one of the plan is to make holes for the windows (square, around 5mm by 5mm). What I'm thinking is to use dremel to drill ...
0
votes
1answer
42 views

Which steels are most suitable for knife making?

Carbon Steels, 420C, 440C, VG10, RWL34, Damasteel...there are a lot of options... What steels are best for all-round knife making (I.E not for any special applications)?
1
vote
1answer
37 views

Disassembling a vintage coffee grinder

I'm trying to disassemble a vintage coffee grinder, so I could clean it and put back together. It is probably made in the first half of last century, mostly or all manual work. There is a joint that ...
2
votes
3answers
73 views

How can I create a custom lamp shade frame?

Some people make custom lamp shade frames so it must be possible. A lot of people suggest wire coat hangers but I think they're too flimsy. It has to be rather sturdy.
5
votes
2answers
51 views

Why are longer sheet metal screws snapping on installation?

I've been converting a school bus for several months, and I've driven thousands of 3/4" sheet metal screws with no issue. However, when I try to drive longer screws (3") through a couple inches of ...
4
votes
2answers
330 views

Pliers for chainmail that don't scratch the the rings

I enjoy chainmailling in my free time, although I am still no expert. I wanted to know if there are special pliers that exist that one can use to open and close rings without scratching the rings or ...
4
votes
2answers
207 views

How to create a metal ring?

I'm looking for a way to create a metal ring without using any machine or drill. I'd like to use cheap, simple tools. I found two ways for creating it, and they are very simple but it seems like ...
4
votes
1answer
107 views

How do I get a glass jar out of refractory plaster?

So today I made a metal foundry with a 2/4 plaster 1/4 sand and 1/4 water mix and I put a glass jar in the middle of it to create room. But now the glass jar is stuck and I don't want to break it. Any ...
6
votes
2answers
146 views

What wire other than 1.6 mm stainless will work for chain mail?

I've been making butted maille out if 1.6mm stainless steel wire. Cutting the rings myself. This stuff is strong and heavy! It looks and feels great! The wire is a little pricey at 11quid per 30ms. I ...
7
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3answers
13k views

Blackening steel with oil vs. vinegar - and others?

I'd like to finish a lamp I made of brazed chain, and so far my reading has uncovered blackening with oil (linseed or motor), or with apple cider vinegar. What is the difference between these two? The ...
4
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2answers
58 views

At a minimum what would I need to repair a fracture in a gold pendant?

I have a dragon pendant that I am sure is 10k gold. I have had for at least 15 years. The tail of the dragon is exposed so it bends from time to time. Some time in the past a small fracture started. I ...
10
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3answers
172 views

Can I turn this cast iron grill into a usable firepot with possible tuyere?

I have bought a cast iron grill or furnace and saw the top part had a nice shape for a possible firepot. The bodywork under the pan and grill is entirely hollow and looks like a pot. The hollow ...
6
votes
1answer
91 views

What specs should I look for in a hobby milling machine?

I am thinking about buying a small milling machine for home usage. I have worked with this one during an internship and really liked it. It is a bit too large and too heavy though, to put in my small ...
2
votes
2answers
82 views

What size saw blade should I look into for cutting letters out of a 1/32" sheet of metal (I think steel) with a saw

From this question How would I cut out lettering from a stamped piece of thick-sheet metal I am looking to use a Jeweler's saw to cut through a piece of what I believe is stainless steel. According ...
9
votes
3answers
164 views

Building closed loops with springy wire

Background: I am a mathematician who is attempting to build some simple visual aids to assist in the presentation of my research. To build the desired models, I need two things: Exceptionally ...
7
votes
3answers
2k views

How can I smoothly flatten select parts of a wire design?

I have seen some simple jewelry designs made out of wire, which I'd like to replicate. These designs are made from a single piece of wire bent into a variety of shapes. For portions of the design, ...
11
votes
2answers
312 views

How do I prepare plaster casts for casting tin figurines?

I tried making some figurines from tin by casting them in hand-carved forms in plaster. The tin was bubbling and the surface came out extremely uneven, with bubbles covering it. Someone off-handedly ...