A design that combines two mechanisms - an electric motor (motor) and a gearbox - is called a gearbox motor. The electric motor is selected depending on the rated voltage (220W, 220 /380W, 380W), and with a network frequency of 50-60Hz. As a rule, a cylindrical, worm, or planetary gearbox is used to create a monoblock. Thanks to these distinctive features, the geared motor is a versatile and adaptable device.
For the correct choice of an electric gearing device, it is necessary to know how the gearbox is loaded, the output speed, the required torque, the required operating factor. Based on these data, the gear ratio of the motor and its power are determined.
Motor gearboxes are divided into several types depending on the type of gears used, the number of stages, the type of gear used, speed, characteristics of the kinematic scheme. Mechanisms are distinguished by the position of the shafts (horizontal and vertical), the value of the efficiency, the load capacity.
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Motor gearboxes are divided into several types:
1. Planetary type devices. They are the most demanded and widespread among similar products. Can be combined with worm gear types. The following subspecies are produced: conical-cylindrical, cylindrical-worm, coaxial-cylindrical devices, cylindrical with parallel shafts. The principle of operation is based on a cylindrical transmission - the intersection of the axis and the rotation of the toothed ears (gears) around the gear.
2. Electric worm gear devices. They are produced in two types - worm gear with two output shafts and special motor gearboxes. The mechanism of operation is based on the principle of converting the angular speed and torque of an electric motor.
3. Crane gearboxes. They are used, as a rule, in construction for lifting loads. The principle of operation is to increase the torque and decrease the speed.
4. Wave reducers. Monoblock consisting of a wave reducer and an electric motor.
5. Angle motor gearboxes.
A geared motor is much more compact than a geared drive. Due to the combination of the two mechanisms into a single block, the material consumption of the main body and the installation of the installation have significantly decreased. In addition, the flanged mechanism does not require a special frame structure. All these advantages allow you to reduce the cost of the device and reduce the cost of its maintenance.
The versatility of electrical gearing devices has made it possible to widely use them in almost all areas of industry, and a huge and varied choice - to supply production with mechanisms of various capacities, sizes and purposes.
