There are a lot of reasons to generate sparking on commutator.We must find the main reason so that clear and improve this trouble.When some reversing troubles happened at D.C. motors,the most frequently thing we do is checking and...
1.Bracelets with coin motor moulded and installed by injection moulding. BVM0834、0827-BHZ coin motor After the motor is assembled, injection molding is carried out in the mold. 2.Watches with coreless motor through lead wire. The motor is welded directly on PCB, and BL3DB1-X10A...
In fact, Taptic Engine is not only the vibration feedback of 3D touch. Maybe it will become the focus of Apple's mobile experience for a long time in the future. Even if its application on the iPhone 6S...
Analysis and comparison of brush materials 1. Conventional brush materials for cylindrical motors：AgPd50/GMX215 High performance heat-resistant elastic material GMX215 NGK copper nickel tin GMX215 is a kind of age hardening copper alloy with nickel and tin added and metastable decomposition. It has...
Core motor components Section view of motor assembly: Working principle： According to the schematic diagram, the iron-core motor is in radial XY rotational vibration mode. Motor components： Problems and countermeasures: Noise 1.Poor roundnessof bearing and damage ——Select the right pin, adjust the riveting equipment of...
Resonance concept Like swinging 1.A push is hard to swing high. 2.The best way is to push in the same direction as the swing moves;That's the frequency of the push and the swingThe same frequency.A swing has its own natural frequency,...
Motor：Because the first mobile phone vibrator was a small motor belt moving eccentric block, so the popular vibrator is also called the motor. A vibrator is a device that provides vibration in a mobile phone. With the exception of...
Part construction drawing of coreless motor Operating principle of coreless motor 1.The motor rotates by virtue of the "electromagnetic force" on the coil. 2.Electromagnetic force: when an electric current passes through a coil in a magnetic field, the coil is forced...
1.Basic theory of electromagnetic compatibility ·Electromagnetic compatibility In the same electromagnetic environment, the equipment can work properly under the interference of other equipment, and at the same time, it does not interfere with other equipment. Electro Magnetic Compatibility (EMC)。 ·Three Elements of...
