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THEORY
BASIC STRUCTURE DIAGRAM OF
ROLADRIVE® REDUCER AS FIGURE
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Internal rollers on sturdy ring gear housing.
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External rollers on precision planetary disc.
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Input shaft turns clockwise to synchrony drive eccentric cam turning clockwise.
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Planetary disc turns counter clockwise eccentrically driven by the eccentric cam.
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External rollers turn counter clockwise accompany with planetary disc.
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While external rollers turning counter clockwise accompany with planetary disc,
the external rollers of the disc engages progressively with the internal rollers of the ring gear housing.
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Cause the internal/external rollers can turn freely around their center, we call Such a transmission mode "Arroundable Tooth From" transmission.
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Output shaft pins moving with planetary disc will turn counter clockwise; output shaft connected with output shaft pins also turns counter clockwise.
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As figure A to D, input shaft truns for one cycle, external rollers turn for one tooth in reverse direction.
As a result, the number of teeth of external rollers is equal to the reduction ratio.
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(A)
