Ricardo has invested in CNC machine tools from GF AgieCharmilles

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Automotive engineering specialist Ricardo UK has invested in a Mikron HSM 600U ProdMod (5-axis machining centre), and a FI 440CC (wire EDM machine with CleanCut generator), for its Midland Technical Centre (High Performance Transmission Products) facility in Leamington Spa.

The Company is responsible for the design and development of the state-of-the-art 7-speed dual clutch transmission system of the Bugatti Veyron, the 16 cylinder, 4-wheel drive, super sports car that goes from 0 to 100 km/h in 2.5 s, with a top speed of 400 km/h. "Due to the complexity of the Bugatti Veyron's gearbox we knew that from a technical, quality and commercial perspective that 5-axis machining would deliver the best results," said Pieter Roos, a manufacturing engineer at Ricardo. "The decision to go with the Mikron machine followed an extensive trial period where we invited a number of 5-axis machine tool manufacturers/suppliers to help us with the project. In these trials accuracy and repeatability were the most important factors." "The HSM 600U ProdMod with its high speed and high torque spindle technology (32 kW/36,000 rpm/20N m); integrated workpiece pallet changer (7-station), and large capacity tool changer (220-position) provided us with the best immediate and long-term solution." The further decision, by Ricardo, to invest in a new FI 440CC (CleanCut) machine was made to increase the company's wire EDM capabilities and capacity. The EDM operates 24/7 and is being used to manufacture a range of complex motorsport parts (i.e. splines, gears etc.) from a variety of materials that include carburised steel, aluminium, titanium and inconel. The machine is equipped with a CleanCut generator which does not leave a re-cast layer on machined parts hence the FI 440CC is also being used to machine specific aerospace components.