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How much do you know about the caster&wheel?

四月 16, 2014

Caster(also be known as castor) is a wheeled device typically mounted to a larger object that enables relatively easy rolling movement of the object. Casters are essentially housings, that include a wheel and a mounting to install the caster to objects (equipment, apparatus and more). Casters are found virtually everywhere, from office desk chairs to shipyards, and from hospital beds to automotive factories. They range in size from the very small furniture casters to massive industrial casters, and individual load capacities span 45 kg or less to 45 t. Wheel materials include cast iron, plastic, rubber, polyurethane, polyolefin, nylon, thermoplastic rubber, forged steel, stainless steel, aluminum, and more.

The type of caster can be diveded into two main categories: a swivel caster pivots around a kingpin to allow it to rotate and roll. The rigid (also called “fixed”) caster has its wheel mounted in a fixed frame (also call “housing,” “rig,” “fork,” or “yoke”) and it only rolls forward and backward.

–From Wikipedia

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