All Questions
Tagged with linear-motion mechanisms
10
questions
0
votes
2
answers
2k
views
Simple mechanism to convert linear motion into 180 degrees rotation
I want a simple mechanism to rotate something 180 degrees when another thing moves linearly past/through it. The below is what I have, but it can only work with an offset, so the movement is never ...
- 349
0
votes
1
answer
65
views
How to achieve sliding motion like this between two blocks?
I want to make a construction of two boxes, that by default would be stacked one on top of the other, but linked in a way that would allow the top box to slide off and then move down so that they are ...
- 1
1
vote
0
answers
49
views
How do you make custom springs and where could you buy them?
A friend and I are working on a combat robot that uses a special drive. This drive requires a spring with a large wire diameter (over 3mm), a large outer diameter (40-70mm), and a large pitch (60-90mm)...
0
votes
0
answers
28
views
To design the system of a rectangular small shaft moving in and out in a completely mechanical way without remote control
In my setup , I have designed a system in which a body will rotate and execute rectilinear motion down the screw along its thread . upon reaching the bottom most point I want to make a system in which ...
0
votes
0
answers
143
views
Retractable linear mechanism with a retractable drive for servo control
I am considering a mechanical system that is able to retract and extend via servo control but with the drive mechanism being retractable itself. Doing so I will be able to have a multiplied retracting ...
- 163
2
votes
3
answers
2k
views
Ideas for mechanism for quick reciprocating motion - a 'truly' mechanical switch
I need a mechanism to switch the vertical position of an assembly in as square a profile as possible - i.e. a normal crank mechanism produces a sine wave profile, to explain myself better.
I've seen ...
- 349
1
vote
2
answers
196
views
Is a pneumatic cylinder in general a linear or rotary actuator?
I've just begun to learn pneumatics and I'm really confused where the pneumatic cylinder falls under in the categorization of what kind of mechanical motion it is suppose to produce. I've seen one ...
- 135
0
votes
2
answers
149
views
How to debunk this "Perpetual Motion Machine?"
Here is video of a purported "perpetual motion machine."
How do you explain its behavior?
- 509
1
vote
2
answers
555
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 ...
- 111
5
votes
1
answer
664
views
Quick return mechanism for spring-loaded screw
I am looking for a way to convert rotary motion to linear, but it should take less energy to get back to initial position than when going from initial position to the end position.
Specifically, a ...
- 93