Questions tagged [mechanical]
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Failure criteria for CFRP single plate bolted joint
Which equation can be used to find failure based on ply orientation.
Tension,shear & bearing faliure to validate against fem analysis
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How does the retrofit mechanical system work in the rear brake pistons of cars (dual hydraulic + mechanical)?
I discovered recently (when changing the rear brake discs/pads of a car) that the piston cannot be pushed back without setting a rotation to it in the same time.
This is due to the dual system with ...
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How can I understand shear flow in a beam cross section?
I am trying to understand shear flow and I am just not getting it. For example, one of the problems in Beer has an I-beam and there is both a horizontal and vertical force acting on it. So it has ...
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Clarification of a piston and crank dynamics question
Yesterday, I had an Engineering Mechanics exam which involved a Piston and a Crankshaft engineering dynamics problem, which I was a bit stumped about. I sought clarification from the teaching staff ...
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Is there a geometry that meshes exactly with a rope?
I'm in a use case where the outer surface is a gear driven by a motor (that's the easy part) and the inner surface meshes with a metallic (iron) rope. When the part rotates, I want the motor and ...
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What are the different ways to measure mass, for mechatronics
I’m trying to build a small mechatronic device and want to know the different ways of measuring mass. The ones that I’ve found so far are vibration and directly measuring mass using weight or a scale.
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Why were handcuffs ever made with a chain between them?
I've noticed that modern handcuffs are always attached directly to each other, without any "chain" of any length in between. I guess I can understand why that make them safer and more robust....
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What would I search for to find a combination of a cap screw and a set screw?
I'd like a (hex) cap screw that at the non-head end has a (smaller) keyed opening, allowing tightening the screw from the inserted end (because the screw will be into a threaded hole with an open end, ...
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What type of ball bearing is this?
I don't have engineering background. I'm looking for this telescope' altitude bearing below. I understand it's a type of ball bearing, but does anyone know the exact name of this type?
There are 2 ...
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Incremental rotation that snaps in place
I'm developing a board game and it needs a mechanism of incremental rotation in which the rotated object will snap to one of five possible angles. I have been trying to search for examples of ...
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Connection to periodically electrify equipment
I am designing a system where I have a set of 4 electrical components rotating in a circle. In the bottom stage, the electrical component is submerged in water. In the top stage, the electrical ...
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How to make a circle spin from the edges
I have an issue where I need to make a large wire through a bearing spin in 3" diameter circles, and have a weight hanging from the bottom of the wire. Essentially, I need a hole that moves in a ...
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I need a coaxial gearbox that translates reciprocating clockwise & counterclockwise rotation to unidirectional while increasing speed of rotation?
I am a noob engineering student. I want to design a coaxial gearbox that takes an input shaft that rotates reciprocally (clockwise then counterclockwise) and increases the speed of rotation ...
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Between the front wheel and the rear wheel, what is good for maintaining speed? [closed]
A car weighing 13,000 N is driving at a speed of 50 km/h, overcoming a resistance (Fd) of 450 as shown in the figure. If the coefficient of friction between a wheel and a road on a frozen road is 0....
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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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