All Questions
5
questions
1
vote
1
answer
55
views
Remove slack from geared stepper - without touching the gearbox?
I have a Nema 11 stepper motor with a planetary gearbox and think it is a great stepper motor for a project I'm trying to do. One thing I noticed is that the output shaft of the gearbox has some ...
- 11
3
votes
4
answers
144
views
How can you make a solid box jump up with no external forces?
Let's say I have a box lying on a flat surface.
Inside the box, I make a heavy mass hang from a spring attached to the top of the box.
If we pull the mass all the way down and let it go, I believe it ...
- 33
2
votes
0
answers
2k
views
Advice on spring launcher project
I found an ingenious design of a spring ball launcher on grabcad and I'm interested in adapting it to accelerate a $43.7 \mathrm{~mm}$ diameter, $45 \mathrm{~g}$ golf ball enough to reach $65.5 \...
- 31
0
votes
1
answer
119
views
What would the tension in the cable be?
A subsequent question stemming from here A massless motor is attached to a massless pulley(the blue circle) with a fixed rotational inertia and they are all attached to a mass X (the green platform). ...
- 113
9
votes
4
answers
2k
views
How does load force impact load inertia?
I am trying to simulate a winch as a speed-regulated motor that works through a gearbox to lift a mass. The output of the gearbox is a drum, which rotates to accumulate cable.
I feel comfortable ...
- 3,565