1, B3 foot installation; B5 Flange mounting.
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2, the B5 vertical motor is a vertical installation, the frame does not have a foot, the end cover has a flange (with a screw hole), the shaft extends down the motor. B3 horizontal motor is a motor with base foot and no flange on the end cover.
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Electric machinery (commonly known as \"motor\") is an electromagnetic device that converts or transmits electrical energy according to the law of electromagnetic induction. The motor in the circuit is expressed by the letter M (the old standard is D), its main role is to produce driving torque, as a power source for electrical appliances or various machinery, the generator in the circuit is expressed by the letter G, its main role is to use mechanical energy to convert into electrical energy. The working principle of the DC generator is that the alternating electromotive force induced in the armature coil depends on the commutator with the commutation of the brush, so that it becomes a direct current electromotive force when it is drawn from the end of the brush. The direction of the induced electromotive force is determined according to the right hand rule (the magnetic induction line points to the palm, the thumb points to the direction of the conductor, and the other four fingers point to the direction of the induced electromotive force in the conductor).
The difference is as follows:
Installation methods are different, B3 (ordinary horizontal installation) has a base, no directly connected installation flanges (default) : Identification method: only the foot, the shaft extension side no flanges extended
B5 (ordinary vertical installation) no base, with a directly connected mounting flange (default vertical installation) : Identification method: there is no foot, the shaft extension side of the flange extends, and the flange is larger than the outer diameter of the motor as a whole (i.e. large flange)