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Hanshin Neji

Nut loosening can pose a significant safety risk in structures such as Shinkansen (High-Speed Rail), bridges, and buildings. To solve this problem, a unique Japanese-developed nut loosening prevention technique based on the Wedge principle has been widely used in critical safety sectors. This technique effectively prevents nuts from loosening naturally by utilizing a specially shaped wedge washer. This article will detail the features and specifications of the nut loosening prevention technique based on the Wedge principle.

Features:
The nut loosening prevention technique utilizing the Wedge principle has been highly regarded in the construction and maintenance industries for its innovative approach. Its most significant feature is its resistance to external influences, such as vibration and temperature changes. Compared to traditional nut loosening prevention methods, those based on the Wedge principle require less re-tightening and offer a stable loosening prevention effect over an extended period. This greatly contributes to reducing maintenance costs.

Specifications:
The nut loosening prevention technique using the Wedge principle consists of a specially shaped wedge washer and a compatible nut. The wedge washer is designed to increase the clamping force, rather than loosen, when subjected to external forces, once it is placed between the nut and the bolt. This expertise is tailored for use in critical safety sectors, such as Shinkansen and bridges, where safety is of utmost importance, and has been recognized internationally for its effectiveness.

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