该盘是装在主轴是把由驱动马达。
The platters are mounted on the spindle which is turned by the drive motor.
现今光盘驱动器主轴马达的最高转速约为每分钟12000转。
The fastest rotated speed of principal axis motor of optical disc driver has reached about 12000rpm nowadays.
可调节的偏心重锤经马达驱动传达到主轴中心线，在不平稳状态下，产生离心力，使物料强度改变在筛内形成轨道旋涡。
The adjustable eccentric weight can drive to the Central Line of main shaft through motor. Under the unstable state, it produces centrifugal force that makes raw material form vortex in the sieve.
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