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Classification Of Gears.
Gears are commonly used components in mechanical transmission and play an important role in different types of mechanical equipment. Gears can be classified based on characteristics such as tooth shape, gear profile, tooth line shape, surface on which the gear teeth are located, and manufacturing method.
The first is classification by tooth shape, including tooth profile curve, pressure angle, tooth height and displacement. Common tooth shapes include involute gears, cycloidal gears, and arc gears. Involute gears occupy the vast majority of modern applications because they are relatively easy to manufacture. The size of the pressure angle is directly related to the load-bearing capacity of the gear. Generally speaking, gears with a small pressure angle have a smaller load-bearing capacity, while gears with a large pressure angle have a higher load-bearing capacity but a higher load. The tooth height has been standardized and standard tooth height is generally used. Variable gears are widely used in various mechanical equipment due to their many advantages.
Secondly, it is classified by appearance, including cylindrical gears, bevel gears, non-circular gears, racks, and worm gears. Different shapes are suitable for different mechanical structures and working scenarios, and can be selected according to specific needs.
Furthermore, they are classified according to tooth line shape, including spur gears, helical gears, herringbone gears and curved gears. Each tooth line shape has its applicable scenarios and characteristics, and can meet different mechanical movement requirements.
In addition, they are classified according to the surface on which the gear teeth are located, including external gears and internal gears. External gears and internal gears are used in different mechanical systems according to specific transmission methods and structural requirements.
Finally, it is classified by manufacturing method, including cast gears, cut gears, rolled gears and sintered gears. Different manufacturing methods will affect the material properties and manufacturing costs of the gear, and the appropriate method can be selected according to specific requirements.
In addition, the material and heat treatment process of the gear will also have an important impact on its performance. Hard-tooth surface gears have a higher load-bearing capacity, while soft-tooth surface gears are relatively easy to manufacture and are often used in general machinery where transmission size and weight are not strictly limited, and in small-volume production.
In summary, classification based on various characteristics such as tooth shape, gear shape, tooth line shape, tooth surface and manufacturing method can help engineers and designers better select and design suitable gears.
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Gearboxes are those designed for a specific application or industry. They are usually customized or modified versions of standard gearbox models optimized for specific performance requirements, environmental conditions or operating constraints. Other gearboxes are available in a wide variety and can be found in various industries including automotive,
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