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Spring Trickery… With Nothing Up My Sleeve

by | Oct 1, 2009 | Articles, Springs Magazine

One of the desired functions of a compression spring is that it stays linear during its deflection. In layman’s terms, this means that the spring should produce the same load for every inch it moves. If a spring has a rate of 10 #/in, it will deliver 10 lbs for every inch of movement. A 2.0” movement will produce 20 lbs and a 3.0” movement will produce 30 lbs. And on and on until solid height is reached and no additional movement is possible.

Figure 1

Figure 1

Figure 2: High Rate

Figure 2: High Rate

Figure 3: Low Rate

Figure 3: Low Rate

Figure 4: Average Rate

Figure 4: Average Rate

Figure 6: Variable Pitch

Figure 6: Variable Pitch

Figure 5: Rate Increase close to solid height

Figure 5: Rate Increase close to solid height

Figure 7: Some Coils Closed

Figure 7: Some Coils Closed

Figure 8: Dual Rate

Figure 8: Dual Rate

Figure 9: Pitch Increases Gradually

Figure 9: Pitch Increases Gradually

Figure 10: Non-linear Rate

Figure 10: Non-linear Rate

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