Key connection form a shaft key and wheel hub (pulleys, sprockets, etc.). Key is a steel bar that is installed in the slots of the shaft and hub. It serves for transmitting torque between the shaft and the hub. The main types of keys statsdartizovany. Keyways on shafts produced by milling disk or end mills, in the wheel pulling. Advantages of the dowel joints - design simplicity and relative ease of installation and removal, so that they are widely used in all branches of engineering. Disadvantage - keyways weaken the shaft and the hub onto the shaft parts. The weakening of the shaft due not only to the decrease of its size, but most importantly, a significant concentration of bending and torsional stresses caused keyway. Key connection to the labor-intensive manufacturing: the manufacture of slot end mill requires hand-fit tabs along the slot, the slot in the manufacture of disk milling attachment tabs into the slot screws (with the possible axial displacement). If you get more information, visit our site: BEST ESSAY CHEAP
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