Sunnen is the worldwide technological leader for the high precision honing of all types of gears, including helical, pinion, worm, spline, sprocket, and spur gears. The Sunnen solution generates gear tooth profiles from a more accurate bore, resulting in smoother, quieter running gears that can transfer more power.

Our advanced, precision bore machining technology:

• Delivers improved bore geometry in the gear blank, resulting in a higher quality finished gear
• Provides improved process control and greater accuracy, resulting in gear drives that run smoother, quieter, and more efficiently
• Results in fewer burrs in bores and keyways, providing more accurate location on hobbing arbors
• Creates a crosshatch surface finish that permits better oil retention in rotating gears for longer life

We can build a system for virtually any gear honing application, including:

• Gears of all types, including helical, pinion, worm, spline, sprocket, and spur
• Virtually any material from powdered metal to hardened steel
• Gears with keyways and cross holes
• A wide range of bore diameters, lengths, and surface finishes

Only Sunnen offers all three types of honing technologies - conventional, single-pass or KROSSGRINDING®. We also offer the industry's largest choice of machines - horizontal or vertical, single or multi-spindle, automated or manual, standard or customized.

We'll engineer a precision honing system, including spindle configuration, tooling style, fixture design, and automation and gauging packages to create a complete Sunnen Solution to fit your exact requirements.

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