Winbro machine accelerates EDM drilling

For manufacturers that need to produce holes and features in challenging materials and components, EDM drilling is often the only feasible solution when precision and workpiece integrity is critical. The Engineering Technology Group (ETG) is introducing the Winbro HSD6-GT high-speed EDM drilling system to accommodate such exacting demands on large components.

Winbro’s HSD6-GT has been developed from the original Winbro HSD6 platform to take advantage of the latest design, control and process concepts employed in high-speed EDM for large annular components with a weight capacity of up to 500 kg. To accommodate heavy-duty parts, the Winbro HSD6-GT provides travels of 1050 x 540 x 720 mm in the X, Y and Z linear axes. To enable single-set up and drilling on all faces of the component, the machine also has a rotary A axis of +210°/-60°, a B axis of +100°/-200° and a continuous C axis.

The next-generation Winbro HSD6-GT demonstrates linear and rotary accuracy of 0.015 mm and 0.007° respectively, while linear repeatability is 0.01 mm and rotary repeatability is 0.003°. This level of precision is courtesy of several integrated innovations, such as the patented six-point probing system and optical on-machine inspection.

The six-point probing system ensures accurate positioning of the component before drilling and allows precision positioning using simple fixtures. Complementing this feature is a laser opticator that provides complete optical on-machine inspection to guarantee accurate hole positioning. Whilst the laser opticator and six-point probing system underpins the precision performance of the Winbro HSD6-GT, the integrated signature analysis system monitors drilling performance in real-time to reduce the requirement for manual inspection.

Winbro’s HSD6-GT can create holes from 0.3 to 25 mm diameter, and up to 100 mm deep.

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