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Questions tagged [prototyping]

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1answer
34 views

What type of plastic is a good clear, flexible plastic for prototyping? (~0.5mm - 1.5mm thick)

I'm prototyping a hardware that involves many thin walls to bend around curves and such, so it needs to be flexible, cheap, and also transparent. It may also be the same plastic used in a production ...
1
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1answer
70 views

How to prevent an object doing a full rotation on a shaft

I basically need a block on a shaft to rotate between 90 degrees (vertical) and approximately 180 degrees (horizontal) counterclockwise on a shaft. I don't want the part to fall below 180 degrees. At ...
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2answers
29 views

How to retrofit seed starting trays to prevent root circling

I grow plum trees from pits using seed starting trays: Unfortunately, I have a problem where the roots of the seedlings grow in circles around the bottom of the cavities of the trays. The circling ...
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2answers
82 views

Understanding metalwork manufacture — How are Purchase Quotations prepared?

I have been involved with a number of metalwork design projects lately and I'm increasingly finding myself asking for quotations for small prototype runs (often one-off jobs) to verify the validity of ...
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0answers
45 views

How to cut Silicon and leave smooth edges?

We've got drawings for a prototype that we're trying to mimic by altering an original mold of the product. For us to mold it would be quite expensive to just test it to see if it works or not. We're ...
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3answers
56 views

I am looking for some basic mechanical parts to build structures(prototypes)?

I am looking for something like this to make my robot ideas as prototype. But I don't know it's name! Also if there are better options I will happy to know.
0
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1answer
34 views

General purpose automated assembly?

I've been using 3d printers for prototyping for a long time, and I'll admit it's incredibly convenient to be able to throw together a CAD model, send it to the printer, and have it ready to assemble ...
0
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2answers
95 views

What's the name for a kind of gear that slips tightly over the top of another gear and can drive the gear it's surrounding?

What's the name for a kind of gear that slips over the top of another gear and can drive/turn the gear it's surrounding? I'm making a handcranked flashlight with my 7 year old. We're thinking of ...
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3answers
4k views

Converting rotary motion to linear motion (door for sliding trash can)

I have one of these slide-out trash cans: I want the trash can to slide out with the door being opened and slide in with the door being closed. I'm thinking of a method to convert the door opening ...
2
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1answer
38 views

Prototyping tubular components

I'd like to mock up a quick prototype of a chassis assembly for a type of cart, which, in production, would be composed of CNC bent aluminum extrusions (hollow, approximately 5/8" circular profile), ...
3
votes
3answers
315 views

What is the process called for up-sizing a proof-of-concept prototype to full-scale?

What is the process called when you upscale your proof of concept to a full size prototype? For example a traffic light circuit using LEDs to fill size lights and power supply? That is if the term ...
2
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4answers
579 views

How can I attach a rotary encoder to a retractable dog lead?

I need to know how I can attach a rotary encoder to something string/wire that I can pull and it retracts automatically My idea was to take apart a retractable dog lead leash and affix it to it ...
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0answers
28 views

How can I attach a rotary encoder to a retractable string/wire? [duplicate]

I need to know how I can attach a rotary encoder to something string/wire that I can pull and it retracts automatically My idea was to take apart a retractable dog lead leash and affix it to it ...
6
votes
3answers
432 views

How do you make a 3D print with an accurately aligned bore hole?

I am printing a wheel with a 2.5mm hole in the middle to accept a shaft of a motor with a set screw. The problem I am having is that the wheel is always wobbly when spinning (sometimes more, sometimes ...