INTERNAL & EXTERNAL SPUR GEARS
Robust Gear specializes in the custom design and manufacturing of both internal and external spur gears. We are committed to manufacturing gears that meet the highest standards of quality and excellence in the industry while satisfying your specific needs and requirements.

We specialize particularly in OEM spur gear manufacturing, specifically customized to accommodate your design needs. These gears may be manufactured utilizing a variety of materials. Specifically, low carbon steels, alloy steels, stainless steel, cast iron, bronze, plastic, Delrin™, AVC™ and nylon may be used. Spur gears that are manufactured by us are tested to comply with AGMA™ standard 8-10 and your specific precision tolerances. We can provide measurements in either the North American or the Metric system. Flame Hardening, Heat treating, Induction Hardening, Carburizing, and Nitriding are optional services available upon request for increased strength and durability.

ENGINEERING CAPACITY SPECIFICATIONS OF SPUR GEARS
Number of teeth- up to a maximum of 400 teeth.
Pressure angle - all standard North American and European pressure angles plus.
Diametrical pitch - from 96DP up to 1.5DP.
Outside diameter - 0.25inches up to a maximum of 48inches.
Face width - up to a maximum of 36inches.
Tolerances - we strive to retain close tolerances on all small spur gear designs, i.e., ± .0005 inch tooth thickness.

Robust Gear and Industries

From its beginnings in 1972 in Trois-Rivières, Quebec, Marmen, a family-run business, has experienced tremendous expansion and has propelled itself into international markets, carving out a place among the greats. The manufacturing company is known for its high-precision machining, fabrication, mechanical assembly and design & engineering of parts of all sizes. Marmen is also one of the largest manufacturers of wind towers in North America.

For more than 50 years, we have been serving multiple markets, including aviation, oil and gas, hydropower, steam and gas turbines, nuclear power, mining and steel mills, wind power, infrastructure, space, defense and military and many more.

Marmen’s facilities are located in Canada and the United States, serving the entire globe.
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Depuis son ouverture en 1972 à Trois-Rivières au Québec, Marmen, entreprise familiale, a connu une expansion fulgurante et a su se propulser sur les marchés internationaux, se taillant une place parmi les plus grands. L’entreprise manufacturière est reconnue pour ses services d’usinage de haute précision, de fabrication, d’assemblage mécanique et de conception & d'ingénierie de pièce de toute taille et est l’un des plus importants fabricants de tours d’éoliennes en Amérique du Nord.

Depuis plus de 50 ans, Marmen dessert de nombreux marchés, notamment ceux de l’aviation, du pétrole et gaz, de l'hydroélectricité, des turbines à vapeur et à gaz, des mines et aciéries, de l’énergie éolienne, de l’infrastructure, de l'énergie nucléaire, du spatial, défense et militaire et plusieurs autres.

Marmen possède des installations au Canada et aux États-Unis.

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Specialized solutions and distribution

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Suppliers with ISO 9001 and Controlled goods program Certification for Aerospace, Hydraulic Components, Medical Equipment, and Naval located in (Canada)

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