All Questions
Tagged with mechanical applied-mechanics
19
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How to attach plates (my design) to the stator core of the machine more efficiently and precisely?
I am working on an electrical engineering project. However, I have come across a specific mechanical engineering problem. I have attached an image to describe what I want to do. I have primarily a ...
- 1
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80
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How to determine whether a threaded rod will rotate under load
A part of a structure I am designing incorporates a large threaded rod (1") diameter mounted vertically both for structural strength and for the potential to adjust the height of the top mounted ...
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76
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Building Equations of Motion
The following figures represent a model of a building, can someone help me, extract the newton equations of motion and determine the degrees of freedom.
- 13
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2
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209
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gear size selection for a compound gear system to fulfill a specific output ratio
I need help creating a compound gear system that will result in the sought after drive ratio or very close to it. Naturally gear teeth need to be whole numbers. Websites like 'GearGenerator' (dot-com) ...
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1
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44
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how to fix an object at either 90degree or 0 degree
my problem is i donot know how to let the blue colored object be fixed at either 0 or 90 degree.
i dnot want to be moveable at any degree like 30, 40 , or 50 degree either 0 or 90 degree.
i have tried ...
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137
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Calculation on gearbox design
I want to design a gearbox of 70hp input motor and speed of 1400rpm. The gearbox ratio is 1:10 of 2 stage parallel arrangements.
How do I calculate for the teeth, modules and other requirements ...
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167
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Designing a grabber
I designed a grabber for grabbing strings and yarns. the movement that I need is straight up and down to grab a piece of yarn. I wanted to know if this model (in the video) works in real life or not.
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2
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1
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123
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Is there a way to convert a short throw in one direction into a long throw in two directions
I have a motor that I have created a simple adapter for; this lets us attach any parts we might design to solve the final problem:
I would like to convert the motors motion to oscillating motion in ...
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196
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calculation of tension in curved chain for chain fountain (Mould effect)
https://royalsocietypublishing.org/doi/10.1098/rspa.2013.0689
A chain of some sort goes upwards, turns in a half circle (according to the drawn diagram), and goes back down.
Focusing on the half ...
2
votes
1
answer
463
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Latch Mechanics
I want to make a sprung latch mechanism which keeps a door in place until a certain force is applied to the door. In the diagram attached, the force the door must release at is Fd, and the latch ...
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-1
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2
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117
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Position vector to Velocity vector
Is it possible to derive velocity vector form position vector without unknown such as: position vector of A = (0.8)i + (1.2)j?
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39
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Stopping Force of Irregularly Shaped Object
I have a quick question about the force needed to accelerate/decelerate an irregular object.
Lets say I have a 3D object with the following general shape,
This system is in general a gripper (gray) ...
- 47
1
vote
1
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679
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Locations of max stresses in a circular beam?
If a torque and axial force is applied to a beam with a circular cross section, where along the cross section of the circular beam is the location of the max shear stress, max bending moment, max ...
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2
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3
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10k
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Moments of Fixed-Fixed Beam
I have a quick question related to the topic of mechanics of materials.
If I were to have a beam that is fixed at both ends and has a central point force, do moments develop at the fixed supports?
e....
- 47
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4
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714
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Polarity of a relative angle - Knee joint angle
I'm wondering if it's correct to write:
$$ \alpha = \theta_{lg} - \theta_{th} $$
EDIT: the theta angles are defined positive in counter-clock direcction, instead alpha in clockwise direction. My ...
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