Questions tagged [springs]
The springs tag has no usage guidance.
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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 ...
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Passive mechanical system to direct force and displacement into different ropes - Can this even be? (Mechanical transistor with direct actuation)
In this question I'd like to ask wether it is possible in general to build the following device. I don't come from an engineering background, so I'm probably not using the right words, but I'll try to ...
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Spring constant of angled beam
I'm trying to solve for the dynamics of three blocks, shown below. Two blocks are pushed into a central shuttle, and their force is transmitted through a thin angled beam/pawl. The pawl bends when ...
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Remove slack from geared stepper - without touching the gearbox?
I have a Nema 11 stepper motor with a planetary gearbox and think it is a great stepper motor for a project I'm trying to do. One thing I noticed is that the output shaft of the gearbox has some ...
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What wire are mechanical keyboard switch compression springs made of?
What specific wire is used for mechanical keyboard switch compression springs? I am trying to create my own mechanical keyboard switch springs, I have tried stainless steel dental wires but it does ...
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Describing 180 degree arcing/deflection of wire supported vertically at one end
I am trying to understand how to describe and calculate the shape a length of piano wire makes from its own weight when supported vertically at only one end. Is it a catenary or a parabola? ...
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81
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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 ...
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Mechanical solution for engaging and disengaging an idler gear to output gear
I am building a conveyor lift to send cut plywood (4ft x 8ft x 40mm) into a 20-tier conveyor rack. I would like my conveyor motor to be on the conveyor lift only. I need the conveyor motor to drive ...
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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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How do you make custom springs and where could you buy them?
A friend and I are working on a combat robot that uses a special drive. This drive requires a spring with a large wire diameter (over 3mm), a large outer diameter (40-70mm), and a large pitch (60-90mm)...
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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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Strain As A Function of Deflection of a Hollow Cylinder
I should think that there would be a direct correlation of strain to deflection of a hollow thin-walled cylinder, but I've seen nothing as of yet. I must be missing something. For example, let's say I ...
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How to calculate the spring force of a rolled piece of steel?
If you have a steel sheet and then curled it to the point of being a semi-circle with a 30 degree (pi/6) gap from completion (...
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What is this spring known as?
Could anyone tell me what the spring part of this component is called please so I can source something similar?
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Could a mainspring be used to generate train acceleration during starting-up from the kinetic energy stored during its slowing down?
When waiting for the underground, I've always been wondering why we could not absorb the kinetic energy of the train to slow it down at the station and then to release this energy to help it ...
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