Alloy Steel Gear Assembly with Helical Gear With Hub and Annular Tooth Ring

In electric motors, industrial gearboxes, and automation drives, a helical gear with hub must maintain tooth lead accuracy and bore concentricity simultaneously; runout between the bore and pitch cylinder directly affects noise and load distribution across the tooth face. SYGO machines alloy steel helical gears in Pinghu using turning, milling, and external cylindrical grinding on both bore and OD to meet your tolerance callouts. IATF 16949 and ISO 9001 certification at SYGO's Zhejiang facility governs gear machining qualification, in-process inspection, and production traceability for each production order; documentation consistent with automotive and bearing industry supplier requirements. Our facility handles helical gears for electric motors, hydraulic, robotics, and transmission applications from our 4,000 m² of production area plant. Submit your gear drawing with module, helix angle, tolerance class, and bore fit for a quotation. Clients include aerospace, medical equipment, and military buyers.