EDM Sink EDM machines with high surface finish capabilities

From MA Alexander Stark

UK — The Engineering Technology Group (ETG) has now introduced a new addition to the Gantry Eagle series of die sink EDM machines with the arrival of the Eagle G50 and G80 Competition from OPS Ingersoll. The machines are available in the UK from ETG.

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The G50 Competition incorporates the new Eagle Powerspark One control system.
The G50 Competition incorporates the new Eagle Powerspark One control system.
(Source: OPS Ingersoll)

In its new Eagle G50 and G80 Competition EDM machines from OPS Ingersoll has taken the ergonomics and bridge design of the Gantry Eagle platform and combined it with the generator and programming of the G5 Precision.

With the new Eagle G50 and G80 gantry concept with three open sides and its programmable rise and fall four sided tank that arrives full of dielectric, OPS Ingersoll introduces a production technology with astounding electrode usage even in graphite to VDI 8.

In developing the new Eagle G50 and G80, the aim was to create a machine to deliver a high surface finish capability and remove many of the known issues in graphite usage with low surface class finishes that start to introduce electrode wear and uneven textures. The Eagle G50 and G80 now provide multi-cavity low wear machining that was not available in this class of machine until now.

From a specification perspective, the Eagle G50 has a 750 by 650 mm table with work tank dimensions of 770 by 670 by 440 mm (W/D/H) and a dielectric level height of 450 mm. Within this envelope, the new machine offers 525 by 400 by 450 mm of travel in X, Y and Z axes with a distance from the head to the table ranging from 135 to 585 mm. According to the company, no other machine can offer this “Useable Volume” within these movements allowing small and larger workpieces to be machined from one reference. Capable of workpiece loads of 1000 kg. The G80 has a work tank of 800 by 1100 mm and maintains the same useable field philosophy as the G50. The new machines provide sufficient space and capacity for all differing EDM processing requirements.

The G50 and G80 Competition both incorporate the new Eagle Powerspark One control system and part of this control is the programming software Eagle Powerspark Editor (PSE). With this, OPS-Ingersoll combines user-friendliness with complex eroding tasks. By applying just a few simple steps, the number of inserts of each electrode and a wear compensation can be configured and realised in the electrode manager. Achieving low surface class and electrode wear combinations never seen before with Graphite electrodes.

OPS Ingersoll also offers automation solutions that on one hand offers a wide range of retrofittable solutions from 70 electrodes and ten workpiece pallets (other variants possible), place coded or chipped (IMC LIGHT) and this ranges through to multiple linked machines and workflow management. This allows the user to grow with the technology and future proof the investment..