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Star SU’s complete line of involute gear hobs is engineered to deliver maximum productivity by increasing tool life and reducing the need for secondary finishing operations, ultimately lowering both cost and cycle time. We offer a full range of involute gear hobs to meet all your hobbing requirements. Explore our hob types below to find the best solution for your application.
Involute Spline Hobs have straight sides teeth like a gear hob, and are usually of stub tooth depth. They are made in single or multiple thread designs, with diametral pitches ranged from 2.5/5 to 128/256 and pressure angles of 30°, 37.5°, or 45°.
Designed to Increase Productivity:
Advancements in hob manufacturing has improved the quality to allow finish hobbing with a multiple thread hob. Depending on the lead angle, they will be either straight or spiral gashed.
Single Thread Involute Hobs feature straight angled cutting edges that generate gears with exceptional accuracy on modern gear hobbing machines.
A single thread involute hob is typically recommended for:
Worm Gear Hobs are part of specific tools that match the worm shaft with sharpening allowance. This plunge cutting tool is manufactured in shell or shank designs with straight or spiral gash. Lead angles up to 45° are available.
Solid carbide hobs can be used in shell or shank design to cut gears with or without coolant, and are available in shell style with keyway or end drives, and various shank designs to fit most hobbing machines. Both “K” and “P” grade material is offered depending on application.
Star SU delivers world-class gear cutting tools, advanced coating technologies, and engineering expertise that help manufacturers improve precision, productivity, and performance. Driven by decades of innovation and global expertise, we engineer complete solutions that support the evolving demands of gear manufacturing worldwide.