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Herringbone gear (herringbone gear machining) to the left, the right-handed helix footholds may constitute a number of planes, usually symmetrical in herringbone gear end of the central plane. Conditions restricted gear structure and meet gear usual engaging drive, herringbone gear shaft helical gear (herringbone gear machining) in the assembly must gracefully position, position error word center plane must be controlled assembly adjustment within the allowed range.
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