The Screws with anti loosening treatment are called anti loosening screws, which are most suitable for the fastening of moving parts. They were first used on the U.S. space shuttle and later extended to the U.S. automobile manufacturing industry. With the maturity of manufacturing technology and the reduction of cost, they are widely used in 3C, bicycle, ice skating and skiing equipment, furniture, sports equipment, medical equipment and other industries, It completely replaces the traditional non-return washer, which fully shows the reliability of the fastening and anti loosening effect of the anti loosening screw.
Superior anti vibration performance of the locknut: when the thread is tightened, the thread linearity of the top thread of the bolt tightly enters the 30 ° wedge-shaped inclined plane of the nut and is clamped, and the normal force applied on the wedge-shaped inclined plane forms an included angle of 60 ° with the axis of the bolt rather than 30 °. Therefore, the normal force generated when the locknut is tightened is much greater than that of the ordinary standard nut, It has great anti loosening and anti vibration ability.
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