Information about Metric Gears

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About Metric Gears

Metric gears are defined by module, which designates the center-to-center distance between successive teeth. There are many different types of products. Examples include spur gears, change gears, cluster gears, helical gears, herringbone gears, miter or bevel gears, hypoid gears, differential end gears, worm gears, worm wheels, gear stock or pinion wire, racks, and pinions. Miter or bevel gear sets and gear stock or pinion wire are also available. Some metric gears are made of metals such as aluminum, brass, bronze, cast iron, carbon, hardened steel or stainless steel. Other metric gears are made of plastics such as acetal, delrin, nylon, or polycarbonate. Combination gears combine the strength and good-fit properties of a metal hub with the quiet-running, closer-fitting tolerances of plastic teeth.

Products & Services Related to Metric 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.

Rack and Pinion Gears

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

Spur Gears

Spur gears are straight-toothed gears with radial teeth that transmit power and motion between parallel axes.

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: Metric Gears - Machine Design

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