Beyond Threadlocking; Anaerobic Adhesives Improve Reliability  

Oleh:

Lescarbeau, Doug

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 83 no. 13 (Aug. 2010), page 42-45.
Topik: Adhesives; Sealing Compounds; Component Parts; Hydraulics

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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One type of fastening component can boost equipment lifetime and reliability while cutting manufacturing, service, and warranty costs. Threaded fasteners are the most common class of detachable hardware in the world. More than 300 billion get used annually in the US. But stresses such as vibrations, shocks, thermal expansions and contractions, and micromovements can all reduce clamping force in threaded joints. In contrast, one-size-fits-all adhesive threadlockers keep assemblies secure and leakproof throughout service life. Thread sealants are frequently used on tapered threads and hydraulic fittings due to their fluid compatibility and sealing ability. They block naturally occurring leak paths where thread crests and roots meet. Anaerobic adhesive liquids and pastes also serve as retaining compounds for rigid cylindrical assemblies such as bearings mounted onto shafts. In such applications, retaining compounds on the inside or outside diameter of joining parts augment the strength of press and shrink-fit assemblies.

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