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Questions tagged [aluminum]

110 questions
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What is the opposite of flaring a tube (pinching?) and is there a tool to do this with aluminum?

I'd like to make my own structure that will hold roughly 50-100lbs of equipment. Since I need this to be portable, I feel like aluminum tubing would be the most practical. My structure will basically be a 2.5'-10' cube. I want to get 2.5' tube…
ntgCleaner
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Calculate Weight Bearing Capacity

How can i calculate the weight bearing capacity of a section of aluminium box section? Known variables of section: Dimension, thickness, distance from load and supports. A pictorial example might help: Let me know if there's anything else needed to…
M-R
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Creating strongest possible sectional aluminum round tube

I want to attach a mast and sail to a dinghy. The mast length would be 10.5 feet tall to accommodate a 20-22 sq ft sail, but for transportation purpose would need to be collapsible into at least two pieces. I have to decide between a tapered mast or…
Paul
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How can I square off a piece of aluminum bar after cutting without a milling machine?

When I cut aluminum bar or t-slot extrusion on my bandsaw I am not happy with how "square" this edge is. I don't have a milling machine at home, and I have been told grinding aluminum is a very bad idea.
user391339
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How to straighten an aluminium extrusion?

The extrusion shape is a simple square tube. If I set it down on a perfectly flat surface with its curvature upwards, the middle raises up by around 5mm over the length of 1m. So far I tried to just put a weight on it while its laying on a glass…
user81993
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Aluminium plate being used in an AUV

I am currently using a AI-6061-T6 plate measuring 750mmx370mmx6mm as a rack between two frames at about 3/4 meter above ground. The load on the plate would be about 8-12kg. How much load will be able to take before bending? And how would the plate…
Arun Ravi
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Feasibility of reconstituting existing 5083 Aluminium

Can I melt 5083 aluminium and then reconstitution into a mould. I would like to know if it is possible to melt down existing 5083 aluminium lp and then pour the molten liquid into a yacht mould of 6mm thickness?
2create
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Building bed out of 8020 aluminium extrusion

I want to build a rock and roll bed out of 8020 aluminium extrusion, in order to avoid the bother of welding steel pipe. However, I don't have much of a 'feel' for how strong this stuff is. Will 20x20mm T-Slot extrusion be strong enough to support…
Mr Squid
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How can I calculate "bendability" of aluminium tubes?

Disclaimer: sadly not an engineer (I hope this is the right place for such my question. Please let me know if it isn't). I'm designing a tent. I know most of the dimensions of the first prototype I want to build, but I'm struggling with the…
maasha theytaz
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What kind of stress can forged aluminum take?

I have a motorcycle frame. It is made form forged aluminum. There is a pressed headset in the frame that I need to remove - it was pressed in there with machined force. Some folks remove the headset (from the opposite end) with a large hammer and…
Tchai Quentin
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What thickness aluminum plate will support 350lbs?

I need to purchase an aluminum plate that is 19.625" x 24", that can support 350lbs. This will hold pavers + possibly a person, next to a pool on top of an automatic cover. The automatic cover company sells lid/trays that are a 0.25" thick aluminum…
Steve
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Reliable non-welding ways to attach square aluminium tubes to aluminium frame?

Question. What non-welding options do I have to reliably attach square aluminium tubes to an aluminium frame? Context. This will be used for outdoor environment (gate). I'm thinking of non-welding options to attach horizontal square aluminium tubes…
caveman
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Computing the required thickness of an aluminum sheet to support a given load

I want to fabricate an aluminum shelf for my media center. 22 1/16” x 37 5/8” with a rectangular cutout 2 1/2” deep on one of the long edges of the sheet with 6” of material on either side of the cutout. (CAD model) The shelf will be supported by…
Techrocket9
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How to achieve textured matte paint finish on flat aluminium

I have aluminium gates, made of sheets. If I paint it using normal powder coating, it looks shiny and reveals imperfections (e.g. mild bends) depending on the angle at which sun light hits it. I am thinking to finish it in such a way that it looks…
caveman
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What temperature required to alloy copper and aluminum?

According to this phase diagram, the melting point of 30% copper aluminum bronze is around 548°C. Lets say I create molten aluminum at 680°C, can I add small pellets of copper and swirl them around to create a molten alloy? or will the alloying…
user1402154
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