نمایش نتیجه 1 تا 10 از 48 نتیجه یافت شده برای groove:
n: the part of a groove on the drawworks drum that changes direction. Grooves run parallel to each other, except in the angle-control section, where each groove is machined at a slight angle. This angled part of the groove causes the wire rope being spooled onto the drum to change direction so that the next wrap of rope on the drum lies in between the wraps of rope already on the drum. Also called a crossover section.
n: a bearing in which a finely machined shaft (a journal) turns on freely rotating hardened-steel spheres that roll easily within a groove or track (a race) and thus convert sliding friction into rolling friction. See ball race.
n: Composed by a set of hardened ball, inside race and outside race. Because the ball can roll flexibly in the race, the bearing journal can revolve freely in the bearing.
n: a track, channel, or groove in which ball bearings turn.
n: old-style tap with longitudinal grooves across the threads. See tap, taper tap.
n: A usual fishing tool for fishing tubular goods dropping in the wellbore. There are thread and coning in the inner surface.
another name for a tapered tap. Used to screw into boxed of connections.
a ring groove lined with material resistant to metal-loss corrosion.
n: an action of wire rope during loose drum spooling in which a layer of rope spreads apart so that the next layer travels in the groove produced. Crushing, flattening, or distorting of the rope results.
n: The arching, acclive and cavernous surface of whipstock.
n: refer toelveator recess
n: the worked bowl on the surface of drum which is convenient to arrange the rope
n: refer toelevator recess
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