Principle, type and calculation method of reducer
reducer is a relatively precise machine. The purpose of using it is to reduce speed and increase torque. In some places, it is also used to increase speed, which is called speed increaser. It is generally used for transmission equipment with low speed and high torque. The motor, internal combustion engine or other high-speed power is meshed with the large gear on the output shaft through the gear with less teeth on the input shaft of the reducer. The ordinary reducer will also have several pairs of gears with the same principle to achieve the ideal deceleration effect. The ratio of the number of teeth of large and small gears is the transmission ratio. There are many types, varieties and types of reducers, and there are more than 40 kinds of reducers that have been formulated as industrial (National) standards. The category of reducer is divided according to the adopted gear tooth profile and tooth profile curve; The variety of reducer is the reducer with different structure designed according to the needs of utilization; The type of reducer is a reducer with different characteristics designed on the basis of basic structure according to factors such as tooth surface hardness, transmission stage, shaft outlet type, assembly type, installation type, connection type and so on. Speed ratio = motor output revolutions ÷ reducer output revolutions (“speed ratio” also known as “transmission ratio”) 1. Know the motor power, speed ratio and service coefficient, and calculate the reducer torque as follows: reducer torque = 9550 × Motor power ÷ motor power input revolutions × speed ratio × Service factor 2. Know the torque, output revolutions and service factor of the reducer, and calculate the motor power required by the reducer as follows: motor power = torque ÷ 9550 × Motor power input revolutions ÷ speed ratio ÷ service coefficient. It has a wide variety and different models, and different types have different purposes. There are many kinds of reducers, which can be divided into gear reducer, worm gear reducer and planetary gear reducer according to the transmission type; According to different transmission stages, it can be divided into single-stage and multi-stage reducers; According to the gear shape, it can be divided into cylindrical gear reducer, conical gear reducer and conical cylindrical gear reducer; According to the arrangement of transmission, it can be divided into deployable, shunt and coaxial reducers. The following are the commonly used reducer categories: 1. Cycloid reducer 2. Hard tooth cylindrical gear reducer 3. Planetary gear reducer. 4. Soft gear reducer 5, three ring reducer 6, crane reducer 7, worm gear reducer 8, hard gear reducer 9,
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