We all know that the battery spring there will be many laps, but laps is how to calculate?If not in the industry, there are very few in-depth to understand, but also does not have People tell you that the following we will say the general number of battery spring coil spring factory is how to calculate.

Usually battery spring turns into total number of turns and effective number of turns, the total number of circle is from the first circle is to the end, this is very simple, but not so effective number of turns, the so-called effective number of turns, it is actually in the process of a mechanical movement, really play a role of laps, we all know that in a pressure spring battery spring, circle is the first lap and end Don't move, so effective number of turns is the total number of laps minus two laps.

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