Questions tagged [springs]
The springs tag has no usage guidance.
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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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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 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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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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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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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 ...
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How can I size air springs?
I am building a wagon for carrying heavy loads of up to 2000 lbs over uneven ground. It has 6 wheels each rated at 615 lbs capacity and a 4x8 foot bed. I am planning to use air springs to give each ...
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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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Squeeze Force for Anodizing Apparatus
I have an anodizing rack that has hundreds of prongs. These prongs are made of titanium and need to be squeezed together in order to place the parts on the rack. I am wondering how I would calculate ...
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What does squared end spring mean?
What does squared end spring mean?
In most cases I have seen shown closed and squared springs where the last coil touches the previous one.
But it seems that squared end means that the end is flat, ...
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What happens while skewing a spring?
I'm trying to design this magazine spring in CAD:
But this spring should be skewed:
When designing the spring, there's one problem, one "leg" would need to be longer than the other for the ...
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Spring making machines
There's lots of videos of high-speed spring making machines floating around e.g. YouTube, typically taking wire stock of up to a millimeter or so in diameter and producing items which are clearly ...
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How are springs that are designed for 100% extension different for ones that are designed for 60% extension?
Some trampoline springs extend only 40-50% before reaching their elastic limit. (e.g. a 10 inch spring can extend to 14 or 15 inches. Good springs can extend to 100% (E.g. a 10 inch spring can ...