Hey Delw,We have a vf4 and I can tell you there is no problem with doing any kind of metals on them,(all though can't say any thing about Inconel never ran any).We do mostly alum castings,mild steels,and stainless,but then again every thing is relative to how you cut it,as in light shallow cuts,or taking heavy deep cuts.I personaly try to stay on the light side,no need to beat the crap out of the machine.As far as the 4th axis we do alot of jobs with a hrt210 indexer,and have had no problems with rigidaty.We allso are looking into new hmc,but for the pallet changer part of it,some of are run times on parts are in the hours on vmc,so i'm looking into hmc to go lights out,hell with 2 tombstones on pallets it can run all night with no operator
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Ps hey Geof did you now here the increase to from your hfo?