The toolpath reaches the full area with a single path, offering two types of cut pattern.
It meant constructing everything on the chamber side, and then the other side.”Įdgecam 2015 R2’s new port machining module comprises both roughing and finishing strategies. This was particularly long winded when we had six cylinders and going in from both sides. “We’d have to pick each surface within the port, drive curves, and any splines had to be constructed before we could start. Paul Bumfrey, CNC programmer at Crosthwaite And Gardiner, says even using Edgecam’s powerful Advanced 5-axis strategies, the highly specialised nature of the Jaguar ports meant the task was still time consuming until they installed the new porting module. We use a lollipop cutter on a 5-axis machine to get inside successfully, and because of the depth of the port, we machine from both sides.” “Most ports are short and straight, but Jaguar’s are very long with a lot of curve.
“If anyone wants to win an E-Type Jaguar race, they won’t do it without our engines.” He says the main issue with porting Jaguar cylinder heads is their depth and the amount of shape in the port. He was referring to the difference Edgecam’s new port machining module makes to producing cylinder heads for historic Jaguar racing cars. What used to take a week, now takes a day.” Those are the words of Ollie Crosthwaite, Managing Director of a specialist manufacturer of engines and components for historic racing cars.
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