Questions tagged [machine-elements]
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I was solving fluctuating load problems and the word "static" confused me
Here's a snippet of the question that was asked a couple of years ago in university exam:
A cantilever beam made of cold rolled steel for which ultimate tensile strength =540 MPa and Yield tensile ...
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How do cars move, it seems inexplicable (to me)? [closed]
Confiteor, I have only a rudimentary knowledge of how machines work. I'll be discussing fossil fuel engines only.
First off, I have a block of iron, B. I find a pan balance. I place B in one of the ...
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Removing chips from plastic threads
hello! I have this thread, in the middle… and it’s a bit hard to reach with tools. Do anyone have any tips to removing them without causing any damage to the surface or the thread for that matter
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Dropping individual grains of sand at a constant rate
I want to build an optical sorting machine that uses air pressure to sort out sand (small amounts, a few grams, varying about 250-750μm in size) of a given color. This requires sand to pass past a ...
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Tolerances for machining retaining rings on shaft
I am designing a section of shaft that will hold a 1.25" wide sprocket. I found
The snap ring vendor states:
Fits Groove Dia. 1.886 in
Fits Groove Width 0.068 in
The snap ring has slightly ...
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Operations between rotating elements
Given two (or more) rotating elements, which mathematical operations can be done between them?
For example:
Different gear ratios can be used to multiply a rotating element's angular velocity by a ...
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What process is involved in freeform 3D tube bending?
I have seen 3D freeform tube bending in videos such as this, this, and this. I would like to ask what process is involved in such machines. I can see a swivel mechanism used for bending. What is it ...
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Best way of SolidWorks rendering for product catalogs
For a catalog of many different parts I want a clear render but not as 'realistic' or detailed as I would get with SW Visualize. Are there any other options or settigns to achieve this?
Some examples:
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Cam-operated clamps: When are logarithmic cams preferred and when are involute cams preferred?
Logarithmic cams are used in rock climbing, but involute cams are used to clamp work pieces when machining. Why are cams with two different profiles preferred for these two applications, which seem ...
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Is it essential for two meshing gears to have even number of teeth?
Should the teeth of meshing gears be even rather than odd numbers? If not, which is better?
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Best type of pin to use when two parts are rotating relative to each other?
[Edit 1]: Added material of components.
I have a flywheel with a shaft connected to it. The shaft rotates with the flywheel, but also rotates relative to it, to give me a kind of camshaft motion if ...
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Question about cam follower design
It's always said that jerk function should be smooth to avoid undesired vibrations. What exactly is the vibration in a cam follower mechanism and why is it important to avoid it?
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Is Smith Diagram and Modified Goodman Diagram the same? And how does one construct it?
I am confused about the names. Moreover, I haven't found any textbook which attempts to show step-by-step construction of these diagrams.
I would be happy if anyone pointed to some textbooks or even ...
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Unable to understand minimum length of engagement for bolts
I've attached a snap of the part I'm unable to understand Machinery's Handbook 29th Edition.
Here's a link to the ebook as well https://www.vtc1.org/cms/lib/PA03000913/Centricity/Domain/21/Machinerys%...
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Does the nut experience the same forces a bolt experiences but in opposite directions as reaction forces?
More specifically, if I have an eye bolt being used to lift a body, I can find the various stresses acting on the bolt, but I want to know what happens to the threaded area of the body where the eye ...
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