Fasteners that maximize assembly life  

Oleh:

Jones, Christie

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 81 no. 20 (Oct. 2009), page 46.
Topik: Fasteners; Assembly Techniques; Solid Pins; Spring Pins

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.60 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Fasteners are usually the smallest, least-expensive components within a machine, but OEMs depend on them to hold entire assemblies together — often for years or decades. And assemblies can be held together in many ways: bolts, rivets, screws, and pins, to name a few. Assembly techniques generally fall into two broad categories: Methods that take two components or two operational steps to hold parts place; and methods where the components are self-retaining. The challenge for the design engineer is to choose a method that provides the highest quality joint with integrity over time at the lowest manufacturing cost. For many applications, a self-retaining pin is the winning solution. The difficulty is selecting a pin with the appropriate strength and flexibility for the application. Technically, when a load is applied, something has to give: the pin, the hole, or an element of the assembly. A pin that is too rigid causes the hole in which it is retained to elongate and leads to eventual assembly failure. A pin that is too flexible fatigues under dynamic loading.

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