hob cutting

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• hob — hob1 [häb] n. [? var. of HUB] 1. a projecting ledge at the back or side of a fireplace, used for keeping a kettle, saucepan, etc. warm 2. a peg used as a target in quoits, etc. 3. a device for cutting teeth in a gear blank, etc. hob2 [häb] n. [ME …   English World dictionary

• hob — ► NOUN Brit. 1) the flat top part of a cooker, with hotplates or burners. 2) a flat metal shelf at the side of a fireplace, used for heating pans. 3) a machine tool for cutting gears or screw threads. ORIGIN alteration of HUB(Cf. ↑hub) …   English terms dictionary

• hob — 1. noun /hɒb/ a) A kind of cutting tool, used to cut the teeth of a gear. b) The top cooking surface on a cooker. It typically comprises several cooking elements (often four), also known as rings. Syn: stovetop, stove top 2. verb /hɒb/ …   Wiktionary

• hob — I. noun Etymology: Middle English hobbe, from Hobbe, nickname for Robert Date: 15th century 1. dialect England hobgoblin, elf 2. mischief, trouble used with play and raise < always raising hob > …   New Collegiate Dictionary

• hob — hob1 noun 1》 Brit. a cooking appliance, or the flat top part of a cooker, with hotplates or burners.     ↘a flat metal shelf at the side of a fireplace, used for heating pans. 2》 a machine tool for cutting gears or screw threads. 3》 a peg or pin… …   English new terms dictionary

• hob — 1. n. 1 a a flat heating surface for a pan on a cooker. b a flat metal shelf at the side of a fireplace, having its surface level with the top of the grate, used esp. for heating a pan etc. 2 a tool used for cutting gear teeth etc. 3 a peg or pin …   Useful english dictionary

• 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

• worm-wheel hob thread — noun : the thread form on hobs used for cutting worm wheel teeth or worm threads …   Useful english dictionary

• Milling cutter — Milling cutters are cutting tools typically used in milling machines or machining centres (and occasionally in other machine tools). They remove material by their movement within the machine (e.g., a ball nose mill) or directly from the cutter s… …   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

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium