Ni Plated ERM Vibration Motor Magnet in Mobile Phones / Controllers

/Ni Plated ERM Vibration Motor Magnet in Mobile Phones / Controllers
  • Ni Plated ERM Vibration Motor Magnet in Mobile Phones Controllers
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    Ni Plated ERM Vibration Motor Magnet in Mobile Phones / Controllers  Technical Specifications:
    Item:     MP-NDN40SH -109
    Grade: N40SH
    Material: Neodymium (NdFeB)
    Plating:    Zinc / Nickel
    Shape:    Ring, Botton, Coin
    Dimension: Customer Design Drawing
    Tolerance: ±0.05 mm
    Magnetisation Direction: Axial / Radial
    Residual Magnetic Flux Density (Br): 1280-1320 mT (12.8-13.2 kGs)
    Energy Density (BH)max: 318-342 KJ/m³ (40-43 MGOe)
    Coercivity Force (Hcb): ≥ 915 kA/m ( ≥ 11.5 kOe)
    Intrinsic Coercivity Force (Hcj): ≥ 955 kA/m ( ≥ 12 kOe)
    Maximum Operation Temperature: 80 °C- 200°C
    Delivery Time: 14-35 days

    The demand for smart wearables is being driven by several factors, including the growing health consciousness among consumers, increasing technological advancements, and changing consumer preferences for convenient and easily accessible devices. The adoption of smart wearables has been particularly strong among millennials and Gen Z consumers, who are increasingly relying on these devices to track their fitness levels and monitor their overall health in the global linear vibration motor market.

    The difference between the two motors is how the movement of a mass is displaced. LRA vibration motors require an AC signal, driving a sine waveform that is modulated to get multiple effects. ERM vibration motors use a DC motor with a counter weight attached. The DC voltage controls the speed of the motor.  Linear Resonant Actuator LRA Motor Magnets Neo N45

    The ERM has an off-centre load, when it rotates the centripetal force causes the motor to move. The rotation is created by applying a current to the armature windings attached to the motor shaft. As these are inside a magnetic field created by the permanent magnets on the inside of the motor’s body, a force is created causing the shaft to rotate. To ensure the rotation continues in the same direction, the current in the windings is reversed. This is achieved by using static metal brushes at the motor terminals, which connect to a commutator that rotates with the shaft and windings. The different segments of the commutator connect to the brushes during rotation and the current is reversed, maintaining the direction of rotation. N45 Neodymium Ring Small Vibration Device Magnet

    In a similar method, LRAs use magnetic fields and electrical currents to create a force. One major difference is the voice coil (equivalent of the armature windings) remains stationary and the magnetic mass moves instead. The mass is also attached to a spring, which helps it return to the centre. Driving the magnetic mass up and down causes the displacement of the LRA and thereby the vibration force.

    With the increasing popularity of smart wearables, linear vibration motors have become a key component in these devices. These motors provide users with haptic feedback, which helps to enhance their overall user experience. The use of linear vibration motors in smartwatches, fitness bands, and VR headsets has become more common, as they are more efficient and provide better haptic performance characteristics compared to eccentric rotating mass vibration motors.

    As the demand for smart wearables continues to grow, the linear vibration motor market is expected to witness significant growth in the coming years. Manufacturers of linear vibration motors are investing heavily in research and development activities to develop more efficient and advanced products to meet the increasing demand from the market.

    Linear vibration motors are becoming increasingly popular for haptic applications due to their better haptic performance characteristics compared to their counterparts. When compared to eccentric rotating mass (ERM) vibration motors, linear vibration motors offer several distinct advantages. Linear resonant actuators (LRAs) are known for producing an oscillating force across a single axis, which results in higher vibration frequency and lower energy consumption compared to ERM motors. Additionally, LRAs are known for their better frequency response and higher acceleration, making them more efficient.

    Furthermore, linear vibration motor market is majorly driven by its large scale application across many handheld and touchscreen devices such as smartphones, tablets, and gaming controllers, among others. The ability to provide precise and subtle tactile feedback to the user enhances the overall user experience, leading to higher customer satisfaction and brand loyalty. In addition to consumer electronics, linear vibration motors are also used in industrial applications, such as robotics, automation, and machine tools.

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