HANSHIN NEJI (THAILAND) CO.,LTD.

Explanation of Nut Loosening Prevention Technology Based on the Wedge Principle

The power of the wedge principle supporting safety, from Shinkansen to bridges.
Nut loosening can pose a significant safety risk in structures such as Shinkansen, bridges, and buildings. To solve this problem, a nut loosening prevention technology incorporating Japan's unique wedge principle has been developed and is widely used in critical safety sectors. This technology effectively prevents nuts from naturally loosening by utilizing a special wedge-shaped washer. This article provides a detailed explanation of the features and specifications of nut loosening prevention technology based on the wedge principle.
■Features
Nut loosening prevention technology utilizing the wedge principle has received high acclaim from many construction and maintenance industries for its innovative approach. The greatest feature of this technology is its strong resistance to external influences such as vibration and temperature changes. Compared to conventional nut loosening prevention methods, the wedge principle method requires less re-tightening and provides stable loosening prevention effects over a long period. This significantly contributes to the reduction of maintenance costs.
■Specifications
Nut loosening prevention technology using the wedge principle consists of a special wedge-shaped washer and a compatible nut. The wedge washer is designed to be sandwiched between the nut and bolt, preventing loosening even when external forces are applied, and conversely, increasing the fastening force. This technology is specialized for use in critical safety sectors where safety is paramount, such as Shinkansen and bridges, and its effectiveness has been recognized both in Japan and internationally.
Nut loosening prevention technology based on the wedge principle solves major challenges in the construction and maintenance sectors by enhancing both safety and maintenance efficiency. This technology improves the durability and reliability of structures, supporting the safety foundation of daily life and industrial activities.
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Explanation of Nut Loosening Prevention Technology Based on the Wedge Principle

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