— 6-3 —
6.3. Motor Mounting
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The high acceleration/deceleration characteristic of a direct drive mechanism requires the system
to have high mechanical rigidity. Therefore, it is essential to maximize rigidity of the Motor and the
load system.
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The Motor will work best if all of the elements have a natural frequency between them of at least
100 Hz, and preferably more than 200 Hz.
Warning : • Fully fasten all the mounting holes (mounting tap holes) of the Motor.
• Fasten a work to the attachment using all of the tapped holes of the rotor.
• Eliminate play between the load and the rotor.
• Eliminate play in the mechanism as much as possible.
Warning : The flatness of the surface where the Motor is mounted affects Motor
operation. Approximately 0.02 mm flatness is needed for smooth operation.
When mounting, minimize the looseness between Motor and the mounting
surface.
Figure 6-2 : Motor Mounting
Load Mounting
Motor Mounting
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