BelleFlex Home / Tech Tips / Applying Pre-load | ||||||||||||||
What is pre-load, and how much should be applied? In other words, the joint has to be stronger than the force that will act on it. Adding a spring to a bolt will increase the pre-load of the bolt. Since Belleville disc springs are flat conical springs, they are ideal for adding pre-load to bolts in limited spaces. Added in series, Bellevilles will increase pre-load, while requiring only minimal space. Inevitably, bolts and joints loosen during the course of mechanical operation. Properly designed and installed, Belleville disc springs can increase pre-load to maintain joint integrity and endurance. |
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