Vertical CNC Honing System

Sunnen's SV-400 series vertical CNC honing system combines a choice of tooling options, large work envelope, and as much as 1,524-mm (60") stroke for bore sizing of small and medium-sized gas/diesel engine blocks, oil/gas components, hydraulic/pneumatic parts, compressors, bearing sleeves, gear hobs and similar small or large multi-bore parts.

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Sunnen's SV-400 series vertical CNC honing system combines a choice of tooling options, large work envelope, and as much as 1,524-mm (60") stroke for bore sizing of small and medium-sized gas/diesel engine blocks, oil/gas components, hydraulic/pneumatic parts, compressors, bearing sleeves, gear hobs and similar small or large multi-bore parts. A work envelope of 915 mm × 1,015 mm (36" × 40") and weight capacity of as much as 90 kg (2,000 lb) provide versatility for processing a range of parts, the company says. An optional tool-guide assembly and a variety of bore-diameter gaging systems combine with a servo-controlled X-axis travel of 1,143 mm (45") to allow automated honing of multi-bore blocks with high precision. The straightness sensing capability provides a display of the bore profile during the cycle. Combined with a servo stroking system, it allows the SV-400 to auto-dwell in any part of the bore to correct straightness automatically in the shortest cycle time. The SV-400 can be used to hone parts with inside diameters from 19 to 200 mm (0.75” to 8.00"), or diesel liners as long as 150 mm (6"), depending on the tool options selected.

Designed from the ground up for automated processing of mid to high part volumes, the honing system features full-height access doors and enclosure preconfigured for use with robotic part loading systems, while the CNC control includes a built-in automation interface. A 20-amp power supply and multiple E-stop contacts add versatility and allow convenient automation control, according to the company. Setup is simplified with a multi-axis hand wheel for fine-tuning vertical stroke, tool feed, column position (SV-410 only) and optional cradle position. Automatic tool feed can be selected for constant load or constant rate.

The PC-based, color touchscreen control features multi-language capability, pull-down menus, unlimited capacity for job setups and programmable custom tools. In addition to optional in-process air gaging, a variety of optional post-process air-gage systems can integrate with the control for SPC data collection, as well as automatic compensation of size, taper and straightness. The control allows easy programming of multiple bore positions.