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Archive for August, 2007

Spring Manufacturing Technology

Monday, August 13th, 2007

In the mid-seventies, computer-driven spring manufacturing equipment was run by chips containing thousands of transistors. Today’s models are driven by Pentium 4 chips containing tens of millions of transistors. The difference is faster and more accurate spring making equipment with many more axis options.

In the early nineties, programmable spring making equipment began running multiple axis not only at the same time but also synchronous to a primary axis. Feed, Pitch, Diameter and Cut, were 4 synchronized axes’ which produced accurate springs every time.

Another technological shift came with the European two coiling point system. The single-arbor system relies on “Black Magic” art to grind a precise arbor to ensure a spring’s accuracy. The block wire guides typically have to be fixed in relation to the arbor so the only variable is the coiling point.

In a two-coiling point system, the final wire guides, lower and upper coiling points can be used as bend contacts. Because the two points are variable, the arbor is only there for cut off.

Scott


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