All Questions
Tagged with materials manufacturing-engineering
47
questions
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What Manufacturing Process Is Needed To Stretch Vinyl Material Around A Cushion With Complex Curves While Not Creasing The Vinyl?
What manufacturing process is needed to stretch vinyl material around a cushion with complex curves, while not creasing the vinyl? The accompanying image exhibits a cushion that is a result of the ...
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Manufacture of High Temperature Superconductor Circuit Trace
How would you go about making circuit traces out of high temperature superconductor (HTS)? Low temp superconductor traces have been made with pure tin, lead-tin, etc. But those materials are much ...
- 1
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Electrical Charges
I have been doing some research on different textile materials and electrical charges. If I wanted to change a negatively charged material to a positive one, would that be possible? Thinking I could ...
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49
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Price of e-beam evaporator [closed]
I'm trying to find an accurate price estimate for an electron beam evaporator for a research project. The intended application is for use in large-scale manufacturing.
How does one usually go about ...
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1
answer
52
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Potential Problems of Excessively Hard Shaft
Will there be any issues if we make the shaft too hard?
Hardness being a surface property may prevent surface scratches and wear, could it lead to any problems in general?
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What is the effect of lateral friction on the specimen shape
During compression test lateral friction occurs on the lower and upper surfaces of the specimen how does this affect the final shape of it and how do we reduce this effect?
2
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1
answer
146
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What is the force required to puncture through a sheet of foil against an anvil?
A hardened steel contour with a sharp edge presses against plastic foil which lies on top of a hardened steel anvil plate. What would be the force required to punch through the foil?
I am familiar ...
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2
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145
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What are the practical solutions to manufacturing this mechanical piece?
My Custom Piece (Measures are in mm)
I'm designing a custom mechanism that needs this piece to be able to function, but when i started thinking about how to manufacture it, I started getting confused ...
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1
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2
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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 ...
3
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67
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Plastic hardness after machining vs molding
Should there be any difference in the hardness of a plastic material that is machined vs one that is pressed from a mold?
This question is in specific reference to vinyl record production where ...
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Material selection for plunger to be compatible with pressure seal
I am designing a jig to insert a pressure seal into a cap.
The jig has a cavity which the cap fits into and then is loaded with the pressure seal which needs to be inserted further using a plunger. I'...
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1
answer
164
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Why does Poisson's ratio always have the axial strain as the denominator?
Why can't we divide the lateral by the axial strain? Why does the axial strain always have to be the denominator? Would it matter if I was careless and accidently switched them around?
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56
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How to integrate a heater in polyeurethane foam?
We are trying to integrate a heater in polyeurethane mattresses. However, the heating units we found are in fabric shape and hence the moment we pressurize the PE foam in the mold they deform and do ...
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2
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83
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Selecting material for plastic hinge
I have designed a plastic part shown in blue that will be injection moulded. The part is a lever that takes 1 mm of movement downward and outputs 6 mm of movement upward. Circled in green is a hinge ...
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2
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Manufacturing with glass panels [closed]
I would like to design a 3.2-inch LCD display onto a product. The best aesthetic I have seen is using a flush glass screen front face.
My product does not use touch screen. How would I go about ...
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