Questions tagged [plastic]
Plastic (material): materials consisting of any of a wide range of synthetic or semi-synthetic organic compounds that can be molded into solid objects. This includes thermos-softening & thermos-hardening plastics.
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Mechanical fasteners for HDPE pipe and sheet?
I need to fasten pieces of HDPE together but I’ve heard gluing HDPE is difficult.
I've bought sheets and pipes to make a feeder for a tortoise.
I will be using the sheets for covers for the pipes.
The ...
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Designing a tea strainer: Plastic vs stainless steel
Some time ago, I finished designing a tea strainer and I had a prototype printed from a certain heat resistant type of plastic (https://xometry.pro/de/materialien/standard-heat-resistant-pc-artig/) ...
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1960s coloring in manufacturing of fabric and plastic
I'm a art historian and would like to know why, in the 1960s, clothes and plastic products seem to have come in limited colours (e.g. white, yellow, red), whereas the 70s saw for instance orange, ...
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What's the best way to mount many clock hands on a custom clock?
I'm building a custom clock that requires 4-5 clock hands that need to move individually. I've designed it so the hand are to be mounted on telescoping brass axles (that have press fit gears ...
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Injection molding - Probability of plastic pouring into connector
I have some metal pins that I want to be molded in parts of the final assembly.
Meaning that, the mold will be made to accept those metal pins, which are positioned in the mold so that when the ...
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Specific Heat, Pore Fluid In ABAQUS
I want to model a problem that the theory behind is in the "Coupled Pore Fluid Flow and Stress Analysis" context that there is in the ABAQUS online documentation, version 2022. The link to ...
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Create a mechanism to support a speaker in the upper part of an enclosure
I am working on an electronics enclosure.
There will be two parts, the main enclosure and the lid that gets screwed.
In the upper lid, I want to have a support for a circular mini speaker.
The speaker ...
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How is fuzzy velvet-like surface on plastic achieved?
This kind:
It's a very thin layer of very short (<1mm) hairs, coating a hard plastic underneath. I encounter this sort of lining on some mid-tier electronics that pretend to be more classy than ...
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Why can't we dispose of plastic waste in decommissioned oil wells?
As a non-expert, abandoned oil wells appear to me to be perfect solution for ever growing amount of plastic waste we are generating every year.
These underground pockets held crude oil for millions of ...
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I'm wondering if the parts I have ordered to be vacuum casted and made have instead been made using 3D printing
The reason why I'm asking this in the first place is that I have observed striations on the parts I have received.
I was under the impression that vacuum casted parts would not have striations that ...
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Finding alternative for Metal bolted joint in Plastic part
I am developing a design for HDR Brachytherpy interstitial Template that has to be completely in plastics. There is a shaft of 25 mm and length 130 mm, which is held by a plate of 10 mm thickness and ...
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Can I weld stretch film?
I have large areas to cover (84 cm x 70 cm, 150 cm x 84 cm, and 150 cm x 70 cm) with stretch film (22 µm thick, 45 cm wide).
The stretch film is not wide enough so I have to overlap several sheets to ...
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Valox 420 30% glass wear
I am seeking assistance regarding thermoplastic material wear on a new product I am developing.
The attached image is molded out of Valox 420 30% glass. In the left side image, the locking dents are ...
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replacing the sound a small toy speaker makes
not sure if this counts for this community, and im open to suggestions where this would belong but im looking for advice.
i have no experience in working with physical hardware, as the limited ...
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Is this shape possible with injection moulding?
I want to build a DIY case with the connector shown in the pictures below.
As you can see, it consists of a circular plastic that extrudes from the main enclosure. Inside there is something that can ...
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