New CNC Honing System with Precise Bore Positioning Accuracy to 0.02 mm

Press Release Summary:

  • Available with vertical honing column with a high-resolution (20 million pixel) industrial camera
  • Can handle parts with bore diameters from 5‐65 mm
  • Ideal for heavy-duty machinery used in the mining, off-road and construction industries

Original Press Release:

New CNC Vertical Honing System Delivers Tight Bore Tolerances and The Lowest Cost Per Honed Part on Large, Heavy Parts

Sunnen's SV-2010AXYS combines the proven performance of its SV2000 series honing column with a heavy-duty i5 CNC controlled servo X-Y table for precise bore positioning under the spindle. Easy to use, intuitive controls reduce setup time and operator training requirements.

NOVEMBER 2022 –The new SunnenSV-2010 AXYS CNC honing system is designed to solve the challenge of honing large, heavy parts such as cast-iron hydraulic valve blocks and bolted assemblies common to heavy-duty machinery used in the mining, off-road, and construction industries. These parts are historically difficult to fixture and hone, and the SV2010 AXYS sets a new industry standard for cost-efficient production of these applications

The machine is built around Sunnen’s field-proven SV-2000 series honing column. The system integrates the vertical honing column with a high-resolution (20 million pixel) industrial camera and a heavy-duty i5 CNC controlled servo X-Y table to facilitate precise bore positioning accuracy to 0.02 mm (0.0008 in).

The operator loads the part, hits the start button, and the system automatically finds the centerline of each bore. The machine then automatically hones each bore to spec, in sequence. The operator is free to complete other tasks while the machine completes the part, exponentially increasing operator efficiency and productivity. Easy to use, intuitive controls reduce setup time and operator training requirements. The advanced,7.5 kw (10 hp) high-torque output servo honing spindle allows the machine to short stroke or dwell in any part of the bore. The system’s automation and precision honing technology deliver the lowest cost per honed part, while hitting tight bore tolerances.

Machine weight is approximately 6350 kg (7 tons) with a rugged, solid cast iron base and honing column, to reduce vibration, increase rigidity and enhance performance. The system handles parts with bore diameters from 5‐65 mm (0.2 to 2.56 in). The part maximum envelope is 600 mm (L) x 300 mm (W) x 300 mm (H), (23.6 in x 11.8 in x 11.8 in) and the maximum part and fixture weight is 800 kg(1764 lbs).

Other features include fully enclosed guarding with a large opening for easy part loading/unloading, “lubed-for-life” over-sized stroke guideways to ensure superior performance and long, trouble-free life, NFPA79 compliant wiring and compliance with the European machinery directive (CE). The machine workspace allows room for expansion and automation, such as optional post-process brush and air-gaging stations. Left and right-side access to the system allows for easy production line automation.

Sunnen also provides the tooling, abrasives and cutting fluids to keep production running smoothly. The SV2010-AXYS uses both Sunnen’s new MC shell type multi‐stone tools developed specifically for larger applications, as well as proven MMT tooling. The tools use CBN or Diamond Metal Bondstones. The team at Sunnen can help determine the optimal tooling and abrasive combination for specific applications.

For additional information on Sunnen honing systems, tools and abrasives, contact: Sunnen Products Company at or visit

Sunnen Contact:
Bob Davis
Global Communications Manager
Sunnen Products Company
Tel: +1-314-781-2100

Editorial Contact:
Jeff Drum (Agency)
Kemble & Drum Communications
Tel: +1-513-616-6804

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