Drilling New Winbro machine speeds-up EDM drilling on large components

Source: Press release

The Engineering Technology Group (ETG) introduces the Winbro HSD6-GT High-Speed EDM Drilling System from Winbro Group Technologies to accommodate drilling tasks on large components.

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The work envelope of the Winbro HSD6-GT.
The work envelope of the Winbro HSD6-GT.
(Source: Winbro)

The Winbro 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 parts with a weight capacity of up to 500 kg. To accommodate heavy-duty parts, the Winbro HSD6-GT provides a spacious work envelope with 1050 by 540 by 720 mm of travel 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 for high flexibility.

The next-generation Winbro HSD6-GT demonstrates precision and repeatability with a linear and rotary accuracy of 0.015 mm and 0.007° respectively. It offers a linear repeatability of 0.010 mm and rotary repeatability of 0.003°. This level of precision can be credited to several integrated innovations such as the patented 6-point probing system and optical on-machine inspection, the company states.

The patented 6-point probing system ensures accurate positioning of the component before drilling and allows precision positioning using simple fixturing systems. Complementing this is a laser opticator that provides complete optical on-machine inspection to guarantee accurate hole positioning. Whilst the laser opticator and 6-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. The culmination of these exciting innovations provides complete process control and confidence for the end-user.

The Winbro HSD6-GT machine.
The Winbro HSD6-GT machine.
(Source: Winbro)

Ideal for the production of round holes, shaped oval holes and seal slots up to five times faster than conventional EDM machines, the Winbro HSD6-GT can precisely and efficiently create holes from 0.3 mm to 25 mm diameter and up to 100 mm deep. Furthermore, with its shaped hole generation technology, the HSD6-GT can generate complex 2D and 3D diffuser holes that are commonplace in the production of aerospace combustor components and large IGT blades and vanes.

The tooling system on this new machine incorporates a single-point Automatic Electrode Change (AEC) system that can accommodate up to twelve electrodes. This works in conjunction with the multi-tool configuration that can support up to 45 individually-sensed tools. Additionally, the tooling system supports single-point rotating or static electrodes.

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