Product Announcements:
Honing, Lapping, and Super-finishing Machines

Designed to solve the challenge of honing large heavy cast iron hydraulic valve blocks and bolted valve assemblies weighing over 450 lbs (200-300 kg), common to heavy duty machinery used in the mining, off-road, and construction industries. The SV-2010AXYS vertical honing machine automatically finds the centerline of each bore and hones all bores in sequence. Read more...

We’re excited to introduce you to the next generation of the legendary Sunnen Cylinder King® line of honing machines. The SV-35 is Sunnen’s latest cylinder hone, built for precise bore geometry and optimum ring sealing. With the SV-35 you can improve precision, reduce your production time and pocket the profits. Read more...

For over 70 years, Hommel Präzision has been a successful, reliable and exclusive Sunnen distribution partner for the German market. In 2023, this partnership will enter a new era. Read more...

Sunnen offers a leading line of honing equipment to accommodate the demanding needs of the medical industry. When lives are on the line, manufacturers trust that our honing equipment will provide the extreme levels of precision and reliability to make the difference.

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For years, automotive manufacturers and component suppliers have trusted Sunnen to deliver complete honing solutions that generate higher performance and greater reliability to their most critical parts. Precision components, working in combination, make for safer, more reliable automobiles, and Sunnen is happy to do our part.

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Sunnen’s high-precision honing and lapping systems meet even the most advanced aerospace component requirements. With nearly 100 years of experience setting the standard for reliability, Sunnen is an ideal partner for ultra-precise, machined parts in any aerospace operation. Read more...

Sonic Industries, part of the Sargent Aerospace & Defense Company, uses Sunnen SV-1000 to achieve performance-critical ID tolerances and finishes on life-saving fuse pins, reducing cycle times by 75%. Read more...

Single-Pass Honing Accuracy, Productivity for Cloyes

Process capability exceeds 1.67 Cpk with just once-a-week adjustment, while churning out 4000+ parts per day.

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Sunnen's new SVL-2115 automated lapping machine brings increased productivity and part consistency to what is traditionally a manual process. Based on the same machine platform as the popular SV-2100 honing system, the SVL-2115 provides single setup processing of hydraulic valves, sleeves, fuel system components and other parts that are prone to distortion when honed. The walkaway system... Read more...

Sunnen's new SVL-2115 automated lapping machine brings increased productivity and part consistency to what is traditionally a manual process. Based on the same machine platform as the popular SV-2100 honing system, the SVL-2115 provides single setup processing of hydraulic valves, sleeves, fuel system components and other parts that are prone to distortion when honed. The walkaway system... Read more...