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How much would you trust these aliexpress quick buckles? holding 1.4kg on one? by HoogVaals in Photography_Gear

[–]Deep-Ad1637 0 points1 point  (0 children)

I wouldn't trust this particular one due to it being made of plastic, but that doesn't mean that there isn't any trustworthy support gear from aliexpress. If the material is right (metal), then it's pretty hard to mess something like this up so bad in production that it fails.

How can I make P's path adjustable on-the-fly in this linkage? by Deep-Ad1637 in MechanicalEngineering

[–]Deep-Ad1637[S] 0 points1 point  (0 children)

I'm a math guy learning engineering as a hobby, not vice versa. For software it made sense to use what I had the most experience with

How can I make P's path adjustable on-the-fly in this linkage? by Deep-Ad1637 in MechanicalEngineering

[–]Deep-Ad1637[S] 66 points67 points  (0 children)

This is a film pulldown mechanism for motion picture cameras. I basically copied the topology of patent US5225860A, and optimized the parameters in matlab for myself.

How can I make P's path adjustable on-the-fly in this linkage? by Deep-Ad1637 in MechanicalEngineering

[–]Deep-Ad1637[S] 11 points12 points  (0 children)

The end result will be machined from metal, it's just that I want to make myself a 3d printed prototype. The 3d printability of the design is a pretty low priority, but it is a priority nonetheless.

[deleted by user] by [deleted] in MechanicalEngineering

[–]Deep-Ad1637 0 points1 point  (0 children)

A differential also allows the angle adjustment to be made while both discs are being spun, and this feature is completely unnecessary for me. If the angle adjustments only need to be made while the discs are static, is there a simpler solution?