Spur Gear

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spur gear


spur gears or straight-cut gears simplest type of gear. consist of cylinder or disk teeth projecting radially. though teeth not straight-sided (but of special form achieve constant drive ratio, involute less commonly cycloidal), edge of each tooth straight , aligned parallel axis of rotation. these gears mesh correctly if fitted parallel shafts. no axial thrust created tooth loads. spur gears excellent @ moderate speeds tend noisy @ high speeds.









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