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The spindle motors of hard disc drives (HDDs) are what move the discs inside HDDs. These motors’ accuracy determines the HDDs’ capacity and speed, making them essential to HDD performance.
Therefore, these motors need to have high rotational speed and low Non-Repeatable Run Out performance (NRRO). The rotor of these motors is a permanent magnet, and as current flows through the stator windings, the rotor rotates.
The current that flows through the stator coils governs the inverter, which took the role of the traditional commutator. Data is normally stored on both sides of each disc, which consists of one to five platters stacked on a central spindle.
Each plate is constructed from pottery, glass, or aluminium. All types of HDDs, including the following, employ spindle motors: – 3.5″ HDDs for computers, servers (commercial storage systems), and consumer gadgets including gaming consoles and digital video recorders.
The Global HDD Spindle motor market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
The precision of HDD spindle motors depends on bearings. The precision and dependability of MinebeaMitsumi’s HDD spindle motors are enhanced using internal-produced bearings.
MinebeaMitsumi offers HDD spindle motors using fluid dynamic bearings (FDBs) in addition to models with ball bearings, providing it a distinct competitive advantage in this industry.
Except for wrap lines and lead lines, most of the parts utilised in these motors are created in-house, offering MinebeaMitsumi an unrivalled edge in terms of quality, supply capabilities, manufacturing prices, and speed of delivery.
