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The SV-560 vertical CNC honing system combines an oil-patch-sized 60in (1524mm) stroke and 20HP (15kW) spindle for bores up to 12in (300mm) diameter or larger, depending on the application.

Capable of using legacy tooling from Sunnen GH-210 and SV-3/SV-4 machines, it is suitable for low to mid-volume machining of oil and gas industry components, such as gas compressors, liner hangers, telemetry units, valves, pump liners and similar parts.

The SV-560 produces high accuracy and surface finish specs, including whole-bore, constant crosshatch, using three-axis servo control of spindle rotation, stroke and tool feed.

The SV-560’s synchronised servo axes eliminate the ‘flattening’ of the crosshatch angle that is inherent at the stroke-reversal points for other honing machines.

The operator also has the option to virtually eliminate crosshatch if required.

An electromechanical design, the SV-560 delivers servo-accurate performance that remains consistent over time, eliminating the drift inherent to hydraulic machines.

Its servo-stroking system brings automation and simplicity to honing complex parts and defects, such as those with interrupted, tandem, blind or geometrically flawed bores.

New capabilities include automatic geometry correction and auto-dwell for bore straightness.

Vertical spindle orientation makes the machine ideal for interrupted bores, where the weight of the tool and drive shaft on a horizontal hone increase the potential for washout around ports.

Equipped with a fast, precise linear tool feed, the SV-560 is designed to automatically correct bore geometry and size, while producing a user-specified crosshatch angle and surface finish, end-to-end, throughout a bore.

Designed for bore diameters up to 12in (300mm) or larger, the SV-560 offers fast throughput, tight process control, and numerous options.

Its 20HP (15kW) spindle permits high stock removal rates on tough materials, such as titanium and compacted-graphite iron.

Standard spindle speed is 0-300rev/min, with options of 0-600 and 0-1,200rev/min, and a maximum stroke rate of 90ft/min (27.4m/min).

The SV-560 comes standard with a malleable-iron T-slot base just above floor level.

It can also be configured with various workholding and table options at waist height.

Sunnen engineers each machine as an optimised processing package, complete with custom guarding, custom risers and fixturing, tooling, abrasives, gauging and coolants, as required by the application.

The open base of the SV-560 allows pass-through of large parts and makes the SV-560 adaptable for parallel manufacturing in a lean environment.

It offers a fast tool changeover time to maximise machine uptime and output; most tools can be changed in a few minutes.

To realise high unmanned processing efficiencies, the SV-560 can be equipped for in-process air gauging with Sunnen’s PH hone head – or with post-process air gauging.

PH tools are designed to produce optimum straightness and roundness with multiple stone configurations.

They are generally designed with diamond or CBN metal-bond abrasives, specifically engineered for a given application.

A plug gauge shut-off is also available for processes that do not require the feed back or precision of air gauging.

Setup is handled from the front of the machine without raising a cover.

A user interface and Windows-based PC control simplifies the honing process to allow anyone with multi-axis experience to run the machine.

The machine measures 87 x 81 x 89.5in (2210 x 2056 x 2275mm) without coolant tank.

A robust cast iron base provides excellent vibration damping and long life.

Sunnen Products Company

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