Questions tagged [mechanisms]

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3
votes
2answers
622 views

How this radio knob converting a rotation into a straight-linear motion?

Few months ago I opened the boards of an old, scrap radio-cum-tape-recorder (Philips DR183); whose tuning knob (that adjusts the gang); was very peculiar. ( * I did not found its datasheet on web) ...
3
votes
3answers
246 views

Mechanism for controlling the clamping force

I am working on upgrading a research project on wind energy. They are trying to measure the performance of wind blade designs in a small wind tunnel (i.e. their models are relatively small). What they ...
2
votes
2answers
67 views

What kind of mechanisms are there to give an object free rotation?

I am doing a project where there is a plate with a hole on it where one ring will be mounted. The ring and plate need to be attached somehow. However, the ring must be able to rotate around the roll ...
2
votes
2answers
45 views

What is a constricting actuator called?

I'm looking for search terms, I'd like to find something like an electric hose clamp - a high-force, low-power, low-speed, motorized constricting mechanism. I already googled some terms various ...
1
vote
1answer
95 views

How do Test Indicator Flexible Holders hold rigidly when tightened?

If one were to search on Amazon for "Test Indicator Flexible Holders" you will turn up many items using this mechanism (please ignore the magnetic base; I'm not focusing on that part, just the red ...
1
vote
0answers
2k views

Mechanisms to convert linear motion to rotation

These are the mechanisms I'm aware of: Crankshaft Scotch yoke cam-shaft wobble drive (a.k.a nutator or Z-crank) swash-plate What are other mechanisms to convert linear motion to rotation?
1
vote
2answers
333 views

Rotary to linear motion - how to make upside down “hammer” mechanism?

I’m not an engineer, however I think this place is the best one to find an answer to my question. So my problem is as follows: I need to create a mechanism, preferably driven by a dc motor, that will ...
0
votes
1answer
57 views

0..360 constrained rotation mechanism

I'm looking for examples of mechanisms that can constrain a hub rotating around a shaft from 0 to 360 degrees. Rotation between 0 and 360 should be free. Rotation < 0 and > 360 should be stopped. ...
0
votes
0answers
39 views

Is there an easy way to calculate carrier output of a planetary gear set which has two inputs?

Online I found many guides and videos on how to calculate outputs of a planetary gearset but all of them have only one input. But how can I calculate output speed of carrier if ring and sun gear are ...