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Surface grinder....

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rotorhead:
Hi Ade,

If you haven't already got a bit bigger milling machine, why not try for one with at least a 4ft table, it'll come in handy for other jobs too.

I've machined no end of heads on my Elliot Rapidmil, like others have said Aluminium really is easier done with a cutter, a bit of WD40 helps aswell.

I can post pics if so desired, but don't want to appear to have taken over your posting.

vtsteam:
I made a big steel disk single insert fly cutter to do the Ford 850 tractor head, which allowed me to just catch the ends with one side of the cutter on my round column mill drill. Not suggesting the same if you can afford a bigger mill -- that would be much better.



But it just got me thinking -- I have a pretty big compound slide mill/drill table that I've never used -- purchased long ago when I had considered making my own mill. I was just wondering, now though, if I put that on top of my present mill table, could I do longer work? Well probably, assuming one had enough head adjustment height.

It's not much different than mounting a rotary table on the mill..Again, not sayin it's preferable to a larger machine of any sort. But seems like I might be able to extend capacity on occasion that way. Possibly for width as well.

Jonny:
Personally I would go for a larger manual mill such as a 942 with suitable tooling and power feed.
When you go to rebuild places aluminium heads on the floor freshly done with nothing more than a fly cutter and rough. Spin it up with slower feed rate can see colours.

Surface grinders do take up masses of room and none better than Snow.
Been out of precision grinding for 20yrs family ex biz, all our machines were Snows and we did have some large ones you climbed three steps with remote pedestal controls, scared the crap out of me ground used to shake 20 yards outside when changing direction. Machine to handle length of V12, bed would be minimum 10foot long plus the swing with working area circa 3ft to 4ft.

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