12 Volt Motor With Gearbox
Geared motor is a kind of open loop control motor, it converts electrical pulses to angular displacement or linear displacement. In the case of no step loss, the motor speed and stop position only depends on the pulse signal frequency and pulse number, not influenced by load.
When the gear reduction motor receives the pulse signal, 12 Volt Motor With Gearbox the influence of the change, the motor set along the direction of fixed point of view, known as the step Angle, and by controlling the pulse number and pulse frequency to control motor angular displacement and speed of the motor, so as to realize the open loop control.
In addition, the gear reduction motor interval between each rotation Angle and the theory, there are always some error in one step after step, there is always a certain error but geared motor steps per revolution of the same, and step into the cumulative error doesn't grow on time without loss of steps.
If you want to avoid the gear reduction motor out of step, only choose correct and appropriate stepper drive, gear reduction motor to take advantage of its precise control. Choose the appropriate drive needs according to the motor current matching High Torque 12v Dc Motor a greater than or equal to the current drive. When need low vibration or high precision subdivision drive may be used. For high torque motor, use high voltage driver as far as possible in order to obtain good performance at a high speed. For the gear reduction motor driving power, can use a conventional toroidal drive or R type transformer or transformer DC power supply.
In order to improve the efficiency, worm gear reducer is generally adopt nonferrous metal worm gear, worm, the use of the hard steel. Is due to sliding friction transmission, generates more heat in operating, decelerate machine thermal expansion Vending Machine Motor differences between the parts and seal in the mating surface form clearance, lubricating oil, due to the rise of temperature is thinning is easy to cause leakage. Cause there are four main reasons for this, it is material collocation is not reasonable; Second, the poor quality of mesh on the surface of the friction surface; 3 it is to select the amount of lubricating oil added is not correct; Four is the difference in assembly quality and the use of the environment.
Tin bronze commonly used worm gear, worm pairs, the materials with hardening of 45 steel to HRC4555, or 40 cr hardened HRC5055 via worm grinder grinding to roughness Ra0.8 microns. Reducer running wear very slow, some reducer can be used more than 10 years. If wear faster, consider selection is correct, whether the overload operation, as well as the material of worm gear and worm, assembly quality and using the environment.
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