Questions tagged [product-engineering]
The product-engineering tag has no usage guidance.
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Is the equation for the torque required correct?
Hey guys, I am working on a project in which 2 blades kept at an angle is used to cut stem of a plant. Rollers are used to pinch and force the stem towards the intersecting point of the blades. Lets ...
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Water Dispenser Cooling System
I am interested in creating a water dispenser myself for cooling water, and am looking for a cheap and not too engineering complex concept. I found a water dispenser on Aliexpress, for a very cheap ...
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Seeking Manufacturing Advice: Low-Dose Powder Dosing Device
Hi everyone,
I'm working on a project that requires a device to dispense a very small amount of powder (around 1 gram per second) in short bursts. Ideally, the device would "sneeze" the ...
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Can I test EM r/a/t of some materials using a spectrum analyser and how do I do so?
I am a hobbyist and I was wondering if I can test electromagnetic (radiowave range) reflectance/absorbance/transmittance of some materials using a spectrum analyzer and how do I do so?
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Fuel cell power output
I've spent innumerable time over the years looking for commercially available hydrogen / oxygen fuel cells that might actually be usable in one project concept or another. The best I've ever managed ...
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Is there a word for "counterfeit" products that were in fact manufactured on the official assembly line, but sold cheap lacking brand label?
For example we are talking about special machine vision optics, cheaply manufactured by a chinese company, exclusively made for a well recognized western company with a brand name. The manufacturing ...
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Elastomer that is durable & oxidation resistant
I tend to bundle up my folders & small supplies with ordinary rubber bands (polyisoprene). I find that after a few months these rubber bands would deteriorate & need replacing. Faster even ...
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Simulation modelling of ATM machine
Today I built my First model with Anylogic simulation software on ATM simulation
So ATM is basically here a delay element, which takes delay time parameter as triangular( 1.5, 2, 3.5 ). My idea is I ...
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Why Cups are Frustrum-Shaped
So I noticed that some cups are shaped like frustrums or truncated cones. I looked up why and here(https://www.reddit.com/r/askscience/comments/2v151h/why_are_cups_cone_shaped/) it says that
They are ...
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Why Do the Fingers in Mechanical Pencils Fly Out?
In this video(https://www.kidzsearch.com/kidztube/watch.php?vid=65fbcb9ca), at timestamp 0:27, it says that in mechanical pencils, the fingers have a taper in them that results in them flying out ...
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How A Cord Lock in A Window Unlocks
In this video(https://youtu.be/QvLdVWS_DsM) it says that a cord lock works like this: there is a cylinder which the string moves around, and there is another cylinder which is rough. When you pull out ...
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Why Sodium Sulphate is used in Sponge making
I read that sodium sulphate crystals are used to make sponges. The crystals are mixed in with some other stuff, then put into a mold. The mold is heated, causing the sodium sulphate crystals to melt ...
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Why Green Porcelain was Used for Chalkboards
This site: https://www.businessinsider.com/why-most-blackboards-are-actually-green-and-not-black-2017-11#:~:text=The%20color%20change%20came%20in,likely%20to%20survive%20the%20journey states that ...
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Product Design Scaling Issue
If I want to scale up the product I am designing can I simply double all of my dimensions or is there a better way of going about it?
For context. I was given a finished product and told that it was ...
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What's the difference between a four jaw independent chuck and a faceplate chuck
They both sound to me like the same thing what's the main difference between the 2 , Like something that one can make but the other can't ?
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