gear hobbing

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• Gear cutting — is any number of methods used to manufacture precision gears.Gear hobbing is a method by which a special hobbing anto cutter and gear blank are rotated at the same time to transfer the profile of the hob onto the gear blank.Spur and other… …   Wikipedia

• Gear manufacturing — refers to the making of gears. Materials The majority of gears are composed of carbon and low alloy steels, including carburised steels. Among the carburised steels used in gears are 1018, 1524, 4026, 4118, 4320, 4620, 4820, 8620 and 9310. The… …   Wikipedia

• Hobbing machine — A hobbing machine is a special form of milling machine that cuts gears. It is the major industrial process for cutting (as opposed to grinding) spur gears of involute form.The machine forms the gear via a generating process by rotating the gear… …   Wikipedia

• Gear — For the gear like device used to drive a roller chain, see Sprocket. This article is about mechanical gears. For other uses, see Gear (disambiguation). Two meshing gears transmitting rotational motion. Note that the smaller gear is rotating… …   Wikipedia

• Gear shaper — A gear shaper is a machine tool for cutting the teeth of internal or external gears. The name shaper relates to the fact that the cutter engages the part on the forward stroke and pulls away from the part on the return stroke, just like the… …   Wikipedia

• gear cutter — noun 1. : a machine for milling, hobbing, planing, or shaping gear teeth compare gear hobber, gear shaper 2. : a milling cutter especially contoured to cut gear teeth see milling cutter illustration …   Useful english dictionary

• List of gear nomenclature — Gears have a wide range of unique terminology known as gear nomenclature. Many of the terms defined cite the same reference work.[1] Contents 1 Addendum 2 Addendum angle 3 Addendum circle …   Wikipedia

• Herringbone gear — A herringbone gear, also known as a double helical gear,[1] is a special type of gear which is a side to side (not face to face) combination of two helical gears of opposite hands.[2] Un …   Wikipedia

• Cycloid gear — The cycloidal gear profile is a form of toothed gear used in mechanical clocks. The gear tooth profile is based on the epicycloid and hypocycloid curves, which are the curves generated by a circle rolling around the outside and inside of another… …   Wikipedia

• Involute gear — Line of Action) runs along a tangent common to both base circles. (In this situation, there is no force, and no contact needed, along the opposite common tangent not shown.) The involutes here are traced out in converse fashion: points (of… …   Wikipedia

• machine tool — machine tooled, adj. a power operated machine, as a lathe, used for general cutting and shaping of metal and other substances. [1860 65] * * * Stationary, power driven machine used to cut, shape, or form materials such as metal and wood. Machine… …   Universalium