Review on anti-loosening methods for threaded fasteners
2022年2月1日 · Yang et al. 99 proposed a novel anti-loosening nut with an inclination of 1 degree and a small slit around the side, as shown in Fig. 6 (a). Its superb loosening resistance has been validated by finite element analysis. The second category is to use the axial force locking method.
12 Ways to Prevent Loosening of Bolts - TorcStark®
2022年1月10日 · Common methods of bolt anti-loosening include: friction locking, mechanical locking and permanent locking. The friction locking includes spring washers, self-locking nuts, and double nuts. The disadvantage of friction anti-loosening is that it …
Novel anti-loosening nut designed to have large and stable loosening …
2023年5月2日 · This paper presents a novel anti-loosening nut design, called “SL nut”. It features an anti-loosening ring with an interference fit with the bolt thread, thereby squeezing the bolt in the radial direction.
12 Methods to Prevent Bolts From Loosening | Complete Guide
2022年12月2日 · Anti-loose purpose: to work more effectively for a long time; to improve the reliability of related workpieces. The principle of anti-loosening nuts on the top: when double nuts are locked, two friction surfaces are generated.
Anti-Loosening and fatigue performance of bolted joints with …
Many scholars investigated the anti-loosening performance of nuts and designed various types of self-locking nuts. These are primarily grouped into five categories: high-strength self-locking nuts (hereinafter referred to as ‘high-lock nuts’), nylon self-locking nuts, floating plate self-locking nuts, Stover self-locking nuts, and crimping self-locking nuts.
How to prevent bolt loosening | Screw loosening mechanisms - HARDLOCK NUT
For the nuts to completely prevent loosening, the bottom flanks of the inner nut, and the top flanks of the outer nut must jam into the bolt threads. This can be achieved by holding the bottom nut in place with a special technique called the “nelson hold” in Japan.
Review on anti-loosening methods for threaded fasteners
2021年1月14日 · In this review, a variety of influencing factors that improved the anti-loosening ability and helped guide the anti-loosening designs of threaded fasteners are summarized.
Commonly Used Bolt Anti-loosening Design Methods - KENENG
2023年7月11日 · There are three main types of anti-loosening methods: friction-based, mechanical, and permanent. Friction-based anti-loosening methods rely on the friction between the bolt and the nut or other components to prevent the bolt from loosening.
Bolt connection anti-loosening method summary - Nanjing …
2018年9月26日 · Double nut anti-loosening is also called top nut anti-loosening. When two top nuts are tightened, there is always the pressure of interaction between the two top nuts, and any rotation of either nut should overcome the friction between the screw threads.
Development of an anti-loosening fastener and comparing its
2017年9月8日 · An adhesive-bonded nut, hybrid double nut and split bolt with taper pin can be effectively used as anti-loosening threaded fasteners under vibration conditions as experienced in the present experimental domain.