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Springs Magazine

The Human Factor in Quality Assurance

Virtually everyone in the manufacturing world has been exposed to quality standards. ISO is a popular worldwide standard that Wikipedia defines this way: The International Organization for Standardization (Organisation internationale de normalisation), widely known as...

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Torsion Springs – a little primer

In the world of springs, one type stands out as the answer to many applications. As with any mechanical device, it has its uses — and its limits. I’m talking about the one and only “torsion” spring. The word “torsion” implies something that twists or rotates —...

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Extension Spring Hook Breakage

Extension springs are a great solution to a number of engineering problems. The ability to stretch an elastic component and have it return to its original position is the basis of numerous applications in nearly every market. The majority of extension springs have...

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Stress Relief and Heat Treatment

Over the years, one of the questions most frequently asked regarding the forming of elastic material is the difference between stress relieving and heat treatment. Although stress relieving is, in itself, a heat treatment in a broad sense, there is a generally...

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The Conical Compression Spring

One of the oddities of spring designs is the conical spring. This cone-shaped helix can have as many different geometries as the mind can create. But what really is the reason behind conical designs? What are the advantages or disadvantages? A conical spring is...

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Why are Springs Pressed?

In a past Spring Essentials column, I listed many of the common spring steels and some of their properties (“The Quick and Easy Material Review,” April 2006). There is no one best material for springs. That’s because the applications for springs are so diverse that no...

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CNC Coilers are Here to Stay

I would have to say that nothing in history, aside from the printing press, has had or will have the historical impact of the computer. Twenty years ago, when computers were refined to the point of individual ownership, the race was on to see how many things could be...

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Solid Height Calculation and ‘max’ Solid Height

When a spring is compressed to a point where it can no longer move, it has reached what is called “solid height” – it can move no farther. This height is very easy to calculate. However, there are usually two conditions to take into consideration: Are the spring ends...

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The Quick and Easy Material Review

When I was a coiling operator, I had no clue what the difference was in the materials I wound ... and nobody told me much unless I asked. Whenever I needed to replace material, I had to consult engineering. I wish I’d had even a rudimentary understanding of spring...

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