The use of DC motors has become very common, and the use of this equipment is good, and it is favored by many manufacturers. In the use of geared motors, the torque of DC motors is the key to operation. Next, the calculation method will be introduced. .
Calculation method of DC motor torque:
1. Knowing the power, speed ratio and use coefficient of the geared motor, find the torque of the geared motor as follows:
Reducer torque = 9550 × motor power ÷ motor power input revolutions × speed ratio × use coefficient.
2. Knowing the torque, the output revolutions of the reducer and the use coefficient, the following formula is used to find the motor power required by the DC motor:
Motor power = torque ÷ 9550 × motor power input revolutions ÷ speed ratio ÷ use coefficient.
Regarding the torque calculation method of this DC gear motor, the explanation in the article has been relatively clear. In the future operation and use, you can carry out the actual operation and practice application according to the content explained in the article, so as to effectively meet the specified use requirements.
With the rapid development of industry, DC geared motors are widely used in various fields, basically including all mechanical industries. In the process of use, the speed measurement of the DC gear motor is very important. Generally, there are two main methods for measuring the speed of the DC gear motor:
1. Hall effect principle velocimetry
The shaft of the DC motor drives the magnetic steel on the shaft to rotate, thereby changing the size of the magnetic field. The change of the magnetic field is converted into a pulse signal through the Hall circuit, which is amplified and shaped to output a rectangular pulse signal. When the rotational speed changes, the frequency of the output pulse will change. Thereby, the speed of rotation of the DC geared motor is obtained.
2. Photoelectric tachymetry
Use grid discs and photogates to form a speed measurement system. When the DC motor drives the grid disc to rotate through the transmission part, the tachometer photoelectric gate obtains a series of pulse signals. These pulse signals are coordinated by two timers/counters of the microcontroller, one for counting and one for timing. Calculate the number of pulses m per unit time, and after unit conversion, you can calculate the rotation speed of the DC geared motor.
