Gearbox is a kind of transmission which is used widely, it is used to transmit power and movement, and used to change the speed and turn, it can be found in almost all kinds of mechanical drive systems, from the vehicles such as ships, automobiles, motorcycles, heavy-duty tools for construction, tools and machinery used in industrial processing of automated production equipment, electrical household appliances and so on.

The application of reducer gearbox can been seen from power transmission, low load, accurate application of angle transmission, and in industrial applications, gearbox has the function of decelerating and increasing torque capabilities. So the gearbox is widely used in the speed and torque changing.

The mainly effect of speed reducer is:

First, slow down at the same time improve the output torque, torque output ratio changes according to the motor output by reduction ratio, but can't exceed the speed reducer rated torque.

Second, slow down and reduce the load moment of inertia, moment of inertia of the reduce is the reduction ratio of the square. We know at almost all motors has a inertia value.

Speed reducer is generally used in low speed high torque transmission device, the electric motor, the internal combustion engine or other high speed operating of power on the input shaft of the reducer gear of big gear on the output shaft to the less gear mesh to achieve the purpose of deceleration, ordinary has the same principle of gear reducer and achieve ideal reduction effect, the size of the ratio of the number of teeth on the gears is transmission ratio.

Speed reducer is the mechanical transmission device in a lot of national economy, industry involving product categories include all kinds of gear reducer, planetary gear reducer, worm reducer, also includes a variety of special transmission device, such as growth device, speed regulating device, and including flexible transmission device, all kinds of compound gear, etc. Products are involved in the service of metallurgy, non-ferrous, coal, building materials, shipping, water conservancy, electric power, engineering machinery, petrochemical industry, etc.

Reducer industry development in our country history is nearly 40 years, in the various fields of national economy and national defense industry, reducer products have a wide range of applications. Food, electricity, machinery, construction machinery, metallurgy, machinery, cement machinery, environmental protection machinery, electronic appliances, machinery, water conservancy machinery, chemical machinery, mining machinery, transportation machinery, building materials machinery, rubber machinery, petroleum machinery and other industries for reducer product has a strong demand.

Huge potential market has given a rise to competition in the industry. Because of the cruel market competition, the reducer industry enterprises must speed up eliminating backward production capacity, develop the high efficiency and energy saving products, make full use of the national energy-saving products engineering policy opportunities, increase the intensity of product updates, adjust product structure, pay close attention to national industrial policies, to cope with the complex economic environment, maintain a good momentum of development.

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