Information about Spur Gears

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About Spur Gears

Spur gears are straight-toothed gears with radial teeth that transmit power and motion between parallel axes. They are widely used for speed reduction or increase, torque multiplication, resolution, and accuracy enhancement for positioning systems. Gear types available for spur gears and straight tooth gears, metric include spur or pinion gears, change gears, cluster gears, internal gears, differential end gears, and racks. Straight tooth gears contain teeth that run parallel to the axis of the gear. Racks and pinions, and spur, internal, and cluster gears are included in this grouping. Metric gears have a millimeter-based module designation. Other gears may have curved or helical tooth paths or teeth on a conical surface, and are covered on other search forms.

Products & Services Related to Spur Gears

Bevel and Miter Gears

Bevel and miter gears have conical faces that operate on intersecting axes. Miter gears are bevel gears with a 1:1 ratio operating on right axes.

Gears

Gears are mechanical devices that transmit power and motion between axes.

Helical Gears

Helical gears transmit power and motion between parallel axes (opposite hand) or right-angle axes (same-hand).

Hypoid Gears

Hypoid gears have specially formed teeth on a circular face that are driven by a worm-like drive on non-intersecting axes.

Metric Gears

Metric gears are defined by module, which designates the center-to-center distance between successive teeth.

Rack and Pinion Gears

Rack and pinion gears are used to convert rotation into linear motion.

Worms and Worm Gears

Worm gears are cylindrical gears with a spiral thread that drive mating worm wheels in high-reduction gearset applications. They operate on non-intersecting perpendicular axes.

Engineering Web: Spur Gears - Machine Design

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Spur versus planetary gearheads for dc servomotors \| Machine... Servomotors from Pittman (www.pittmannet.com) are available with integrated spur or planetary gearboxes in single and multistage models.
Spur Gearhead \| Machine Design Spur Gearhead May 19, 2005 Staff The SI Series spur gearhead features a one-piece gear cluster, input pinion with balanced clamp collar,
Motion Control Monthly ? Helical gears differ from spur gears by having teeth angled with respect to the shaft axis.

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