Y3150 цепное колесо/червячный зубчатый станок/прямой/Спиральный

Описание и отзывы

Характеристики

Y3150 chain wheel gear/worm gear hobber machine/spur straight/helical hobbing machine

     Gear 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 blank and the cutter (called a hob) at the same time with a fixed gearing ratio between hob and blank. The hob has a profile given in cross-section by the fundamental rack for the gear tooth profile and is in the form of a helix so that the sides of the teeth on the hob generate the curve on the gear. The helix has a number of cuts parallel to the axis to form the cutting teeth and the profile is suitably relieved to provide cutting clearance.

Application of the gear hobbing machine

   Gear-hobbing machines use a rotating, multiple-tooth cutting tool called a hob for generating teeth on spur gears, worm gears, helical gears, splines, and sprockets. More gears are cut by hobbing than by other methods because the hobbing cutter cuts continuously and produces accurate gears at high production rates. 

    Hobbing is a machining process for making gears, splines, and sprockets on ahobbing machine, which is a special type of milling machine. The teeth or splines are progressively cut into the workpiece by a series of cuts made by a cutting tool called a hob. Compared to other gear forming processes it is relatively inexpensive but still quite accurate, thus it is used for a broad range of parts and quantities.

    It is the most widely used gear cutting process for creating spur and helical gears and more gears are cut by hobbing than any other process since it is relatively quick and inexpensive.

Feature of the gear hobbing machine

1. The machine is suitable for large batch and single production of cylindrical spur and helical gears, worm gears, sprocket, chain wheel gears, straight tooth gear.
2. The machine is characterized by good rigidity, high strength, high working accuracy, and easy in operation and maintain.
3. The machine can be operated not only with forward and backward cutting, but also with axial or radial feed.

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