Questions tagged [springs]
The springs tag has no usage guidance.
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What is the failure mode of fiberglass rods in bending?
I have access to a bunch of used FRP rods, 1" in diameter x 40 feet long with metal ends.
I do not know yet if the plastic part is conventional polyester resin or nylon.
In normal use these rods ...
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How to prevent rotation on axis with torsion springs?
I am trying to model a cupholder sizer for a Honda Odyssey, similar to what the Toyota Camry has (example).
I've got a basic design in Fusion360 using torsion springs. What I'm finding though is that ...
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What are effective anti-corrosion coatings for high carbon steel springs?
In trampoline design, the most common springs have a total elongation of about 60% of rest lengh. E.g. a 10" spring can be stretched to 16" indefinitely without deformation. These springs ...
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Force Required To Stop A Freely Rotating Wheel With Attached Falling Object With A Spring
I have a wheel with a diameter of 2m and a weight of 67kg. The wheel has a radius of gyration of 0.82m. From this wheel a weight of 35kg is suspended. The weight will fall for 10m and accelerate the ...
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Why does restoring force of a spring vary directly with elongation or compression?
The restoring force is electromagnetic in origin, having to do with atomic/molecular interactions. Both electrostatic as well as magnetic forces vary inversly with the square of distance. $F_{_{EM}}\...
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What is this type of detent mechanism called?
I'm trying to find out what this common rotary detent mechanism is actually called. I see them in all sorts of cheap plastic toys, and I'd like to see if I can find them for sale, but I don't know ...
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LPHow do I put the springiness back into a steel rod
This is a piece of steel rod, from a clock, 100mm x 1.5mm. The mechanism is 200 years old and the steel has gone soft and lost its recoil.
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How to Calculate Damping Ratio and Natural Frequency of a Mass Spring Damper system, excluding air resistance?
In summary, I need the damping ratio and damped frequency of a system excluding air resistance, as the system will be operating in a vacuum. The system can be modeled as a mass-spring-damper, and the ...
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How does an impact driver hammer and spring mechanism cam backwards when loosening fastenings?
For an electric impact driver / impact wrench, how does the hammer mechanism cam backwards and forwards? In reverse (loosening fastenings), the spring twisting would cause spring extension, not ...
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Net force exerted by spring
I want to find the exact net force exerted by the spring between pt. P and C, when it is compressed till point P with some mass, m attached to it and released (assuming spring goes to pt. C after its ...
CommunityBot
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What are the benefits of using a spring as a drive screw in this electronic deadbolt?
The Schlage FBE365 electronic deadbolt uses a DC motor attached to a helical screw to raise and lower the C-shaped piece shown. The way the rest of the mechanism works is not important for this ...
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Spring compression and quick release mechanism
I'm in a group and we're designing a wheel that can inflate and decompress using springs. The purpose of the string compression/decompression is to give our tires this jumpy/bouncy like movement. ...
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What is the purpose of springs in rotor's ventilator/fan
In my lawmower's motor plastic fan/ventilator on rotor has broken to few pieces
There are 2 small springs in fan's slots.
What is the purpose of these springs?
Are there any standards for such ...
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Distributing force over multiple springs evenly
I am trying to build a big push button in the shape of a rectangle. I have 4 springs at each corner (below the plate), but the problem is, that because of button's size, if I press down on one of the ...
CommunityBot
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Energy conservation on SHM in springs
In the above spring block arrangements, the time period is asked for $K_1=2K$ left spring and $K_2=K$ right spring.
Now at equilibrium,
$$T=K_2x=Kx=mg$$
$$2T=K_1y=2Ky=2mg \implies x=y$$ for movable ...
