Questions tagged [aluminum]

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2
votes
1answer
891 views

How can dross/slag formation be reduced during aluminum recycling?

I have furnace for aluminum recycling wherein dross formation is a major issue. It reduces the yield by about 10-12%. I am looking for change in process parameters or other solutions through which I ...
4
votes
1answer
316 views

Cantilever Table Legs

I am building a table with four legs which must support a dead weight of 250 kg, and possible peak dynamic load of 1000 kg (A 200 kg person climbs onto and off of it). The legs come straight down ...
2
votes
2answers
246 views

Furnace for aluminum alloy creation

What kind of furnace is used to create alloys for aluminum die casting? I have only been able to find information about how to create alloys or how to process them afterwards in the die casting ...
7
votes
7answers
1k views

Why do manufacturers still make aluminum kitchen utensils?

I noticed many kitchen utensils or stand mixer attachments are made with injected aluminum. Aluminum (~\$20/kg) is usually more expensive than stainless steel (~\$10/kg) and is not compatible with ...
3
votes
2answers
296 views

Intuition vs software results

I've recently designed what is essentially an aluminium box. I've done the entire design process of CAD software SolidWorks and then done some simulations of loading of the box. Through iterations I'...
1
vote
2answers
97 views

What would happen if I tempered aluminum of aeronautical use (Al 2024)?

What would happen if I tempered aluminum of aeronautical use? Being more specific, an alloy of 96% of aluminum and 4% of copper, without modifications and 2% of impurities. (Al 2024)
3
votes
1answer
2k views

How to do gold plating on Anodized aluminum and stainless steel?

I have done some research and asked in a few forums for gold plating on anodized aluminum and stainless steel but haven't yet found the answer to my questions. What are the chemicals for pre-...
2
votes
1answer
136 views

Lightweight substitutes for machined aluminum parts

I have machined parts that are made of aluminum and anodized black. The reason that I chose aluminum is because: It can easily be machined and is low cost and is common, so easy to buy It is light ...
2
votes
2answers
158 views

Buffing/Polishing bulk Aluminum

I'm buffing the years of built up dirt off a aluminum grain tipper trailer, using a woolen buffing pad mounted on a angle grinder. I'm going in a upwards & downwards motion with great success, ...
4
votes
1answer
772 views

Is stress relieving by stretching necessary when performing a T751 heat treatment after a T651?

We have a 7075 Al pump housing that has currently undergone a T651 temper but requires a T751 treatment to alleviate stress corrosion cracking. Is it necessary to re-stretch a 7075 aluminum part to ...
6
votes
2answers
7k views

What method can I use to make a pivot point in an aluminum linkage?

I recently had a project where I made an aluminum linkage (similar to a scissor lift) operated by linear actuators. Aluminum pieces were fabricated from 6061 "standard" aluminum stock, 6mm (0.25 inch) ...
14
votes
4answers
2k views

In aluminum machining, what are the most common factors that might cause a machined component to have warping issues?

I am currently having an issue where features of my machined parts are warping. I am using Alloy 7050 Type I and Type III in this particular case. Using a feeler gauge and a certified, calibrated ...

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