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4 votes

What wire are mechanical keyboard switch compression springs made of?

It is true that certain types of steel have more potential to make better springs but only with the appropriate heat treatment. If left untreated, they are as good, or as bad, as any other steel. … This fact alone puts music wire far ahead of other steels that could potentially make better springs. …
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0 votes

Why does restoring force of a spring vary directly with elongation or compression?

The springs you are referring to are designed specifically to have the restoring force linearly vary with elongation. It doesn't need to. …
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2 votes
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What are the benefits of using a spring as a drive screw in this electronic deadbolt?

The reason drive screws are used is because they give mechanical advantage. Solenoids are linear devices and don't have inherent use leverage for mechanical advantage. A rotary motor with a small leve …
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