Questions tagged [aluminum]
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Friction coating aluminum parts in lieu of anodizing
I have an application, 6061-T6 aluminum cylinder, and piston - approx 6" dia for both, O-ring on position. The piston is under 80-100 psi, room temp and stroke are a couple of inches.
Typically, ...
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Helical inserts on aerospace parts work intermittently
I work at a machine shop with high-volume parts and a lot of threaded holes. Common sizes are 1/4-28 STI and 10-32 STI. Every hole gets a helical insert. We have always had major issues with the 1/4-...
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What is this filter from an aluminium extrusion facility filtering?
i work for a subcontractor tasked with cleaning these parts from an aluminium extrusion facility.
essentially we have tried all sorts of different methods when cleaning them and i am just trying to ...
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Risk of corrosion putting aluminium shaft in a stainless steel bearing with frequent washdowns?
Should I worry about galvanic corrosion if using an aluminium shaft inside a stainless steel bearing in something that's going to be washed down frequently?
Considering I will press the shaft into the ...
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2" o/d aluminum pipe (1/4" wall) used as 10' 'axle' to 'roll' dock out of water
I'm curious how much weight this 'axle' could support? The dock wheels on ends are capable of 700 lbs each.
The dock itself is 10’ wide. The axle will be placed under two 4’ x 2’ rigid black nylon ...
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How to go from a metal sheet to a metal box using (set of) dies only?
As a hobbyist, how to go from a metal sheet to a metal box (1 hollow side) by using (set of) dies only?
All videos I watched involved :
bending 1 side at 90° then
A) cut twice and discard a square ...
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What elements should I include in a manufacturing sketch?
I have created a model of a tea strainer in fusion 360 for this (https://www.taotealeaf.com/tao-tea-tumbler/) tea tumbler of which I would like to fabricate a prototype. I will most likely make it out ...
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Method to secure these two parts, with constraints
How should I complete this task?
2 aluminium discs, around 55mm diam x 20mm high.
The top disc must;
be able to rotate 360deg w.r.t the bottom disc
once in desired rotational position, be secured to ...
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Material suited for fixing leakage in liquid nitrogen dewar
I need to fix a leak on the inside of a liquid nitrogen dewar which acts as the coolant tank for a spectroscopy CCD camera. Due to the design of the camera, I unfortunately can only access the inside ...
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Will nanochaff of radius 5nm act as an electrical conductor for the purposes of jamming radar?
I was reading a great paper about nanochaff recently and I was wondering how small it could be made while still diffracting in the radio spectrum. Does anyone know if 5nm diameter chaff would still be ...
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Aluminum Tubing Weight Bearing Capabilites
I was just inquiring about the weight bearing capability of round aluminum tubing for use as a bench,seat, or chair. Similar to the aluminum seats used in doctors' offices and in hospitals. I see that ...
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What grease / lubricant to use on aluminum threads?
I have a coffee grinder with fine aluminum threading as adjustment mechanism. (The rotation is also done while under springs load).
The threading is of a 10cm diameter.
I had to clean the threads ...
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Is it legal to have a motor wound with aluminum wire that has the appearance of copper?
Today, I melted some metals for the first time, including some aluminum cans and aluminum parts from my drying machine. I was thrilled to create ingots from them. However, when I tried to make a ...
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What property cause a stainless steel slower get heated and slower get cooled, compared to aluminum
I did simple observation when I was heating water using stainless steel container and aluminum container. Indeed they are not exactly same but quite comparable. What I discovered was that, with the ...
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How to best friction fit/join two tubes with identical diameters?
I have a number of tubes in a thin aluminum that are identical with each having one side that ends in a hemisphere shape and the other with a cap shape. I'm trying to find more information about ...
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How to determine the minimum thickness for a Red Dot Sight mount built in aluminum?
I'm designing what is called a "Red Dot Sight Mount" (see image below) for a handgun.
Disclaimer: this kind of part is not regulated (at least not in any country that I can think of) and ...
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Can epoxy bond two Aluminum alloy beams?
The bicycle component manufacturer Shimano makes crankarms named "Hollowtech".
Hollowtech crankarms are meant to be both strong and light. As the diagram below (source: Shimano) shows, the ...
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What is an appropriate way to compare the impact properties between a plastic and a metal?
I'm currently looking at trying to compare the impact strengths between polycarbonate and aluminum to see which one performs better if made into a box and dropped. My intuition says that aluminum can ...
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Machining small aluminium stock
I am very new to machining.
I have access to a metal lathe that was once part of a small commercial engineering workshop. The available spindle speeds are in the range 65 to 2000 r.p.m. The existing ...
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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 (...
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Is it possible to tap a hole partially through a 3mm aluminium sheet?
I would like to secure components to an aluminium sheet that is 3mm thick. Ideally I do not want to drill holes all the way through the sheet because it is important that a seal is maintained.
I am ...
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Is a block designed for water cooling effective at dry transmission of heat?
I’m working on a project involving a thermoelectric cooler, and options for small aluminum or copper blocks have been few and far between. However, I found many cheap aluminum and copper blocks on ...
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Resources for strength calculation for an outside aluminium loft ladder and what about it becoming brittle in cold weather?
I have been thinking for years about building an outside stair / loft ladder to climb from a platform to another one, one stair higher (3 meters). However, I never studied material strength, and I don'...
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What aluminum grade is the most resistant to corrosion in alkaline environment?
Quick google search will return either 6000 series (6061 more specifically), or 3003
However with so many option and each having it's own benefit, I still haven't make my decision
What I am looking ...
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Aluminium Bolt in Titanium Casing: Any Dangers of (Contact-)Corrosion?
Assumed we have a fuel flask that is made of titanium. The bottle will be filled with white gasoline when used. At the bottleneck there is a standardized thread manufactured into the titanium.
Are ...
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Is it possible to estimate the young's modulus of an aluminum alloy purely based off its alloy designation?
I recently had an interview where the interviewer asked what the young's modulus would be like for an alloy like 5052 versus 6061.
was a bit stumped on this one, saying that 5052 might be lower ...
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Is welding aluminum a good choice?
I am making an aluminum part with a sort of a built in pipeline where water runs to cool the system. To close and seal the "pipe" I would need a lot (at least 144!)screws and two very long (...
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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 ...
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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 ...
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Can aluminium foil be a thermal insulator?
I've searched on Google that aluminium foil can be a thermal insulator, but how does it work?
From my thought process, it should've been a conductor because its a metal, right? But, some said that ...
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Aluminum weight saving
"Aluminum saves weight! Its 3 times lighter than steel!"
Also its 3 times weaker and 3 times softer. When comparing stiffness and strenght to weight ratio, aluminum isnt any better than ...
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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 ...
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What is the difference between wrought aluminum and cast aluminum? Is it possible to cast 6061 aluminum?
I'm currently learning about material properties and I'm not certain what the main differences are between the different types of aluminum.
The aluminum I'm most familiar with is 6061-T6 aluminum and ...
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Software for designing products made of aluminum extrusions
I'm going to build a storage cabinet out of aluminum extrusions.
Something that looks like that, except lighter and less intricate:
So yeah, my cabinet will be a lot lighter and without moving parts.
...
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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 ...
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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 ...
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How much deflection can/should I accept with Aluminum Extrusions?
I plan building things with aluminum extrusions.
On this website I can calculate the deflection depending on the profile length and load.
https://8020.net/deflection-calculator
I.e. if I select a 20/...
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Belt Drive Shaft - What Profile is This?
I'm trying to source a similar extruded aluminum round profile, that I can attach a belt to, as in the pic below. The shaft will turn and pull on that belt.
I looked at the 80-20 extrusions and ...
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Would 6061 or 5052 Aluminum have lower rate of creep?
I am making a device which uses a bent thin sheet of aluminum as a spring which provides a constant force. It must be made of aluminum. Over time the material will relax and the force of the spring ...
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How to determine minimum aluminum t-slot profile type for frame?
For a frame with dimensions 1000x1000x400, I am determining which T-slot extrusion type will be strong enough.
I am considering both 30-6060 (30 series I-type, metric) and 20-4040 (20 series I-type, ...
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Maximum strength size thread for aluminium sheet per thickness
Is there a rule of thumb, or a table which helps one determine what is the maximum strength thread size to use for aluminium sheet?
I am interested in threading 3mm, and 2mm thick sheet aluminium. I ...
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Mounting methods for thin wall cast aluminum
Having a cast aluminium enclosure with the 3mm wall thickness. now I need to mount this to a mounting plate which fixed in vertical walls. can I have some idea on how should I choose the appropriate ...
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What thickness do I need for a 30x30 (cm) aluminium plate to hold 350Kg on three points?
I want to make a strong connected weight-scale Arduino project, for which I already own 3×350Kg sensors (red). I plan to make the plate (green) around 30cm×30cm in 99.5 Brut aluminum, with my three ...
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Shade tree engineer needs help calculating hoop stress
I have an extruded aluminum tube. I'm trying to come up with an Excel calculator that will help me find out how much force would be exerted on the internal walls if the tube was filled with rubber, ...
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Aluminum square tubing capacity question
I have an awning that I am attaching to the corner of the house. I needed to extend it so I got a piece of 6063 square aluminum tubing. It's 1 inch wide with .125 wall thickness. It has about 2 feet ...
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Should I use ST or LT values for extruded rod?
In MMPDS for AA7075-73511 (extruded rod) the Table 3.7.10.0(g3) show both ST and LT values for transverse directions. For a rod with circular cross section there is really no Short and Long transverse ...
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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 ...
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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 ...
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What is the purpose of the steel plate in this coupler?
I've found a shaft coupler that has a steel plate in between, but it's not clear what its function is:
If it is to add strength to the coupler, isn't the coupler as strong as the weakest link, i.e. ...
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Is having a keyway in aluminium for 30Nm a bad idea?
I'm designing an aluminium shaft hub for a 16mm keyed shaft with a maximum torque of 30Nm. However, stress analysis tells me that the keyway can suffer too much stress:
If my understanding is correct,...
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