An interesting project
Urs?Didn't know there was such a thing
Urs ?
Yes... now I need a good shed.Ur new toys
I’m looking at a big old Cincinnati mill, I need to bore through some fairly big components to rebush them. Is the mill suitable for taking out bores of say right through 30ton digger hitch in one go?Used the old Cincinnati today for first time in a long while!!
Cut a slot in some old rusty 30mm square bar then cleaned all four faces up. Cut them up then into 50mm pieces.
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Any guesses what they will be?
I’m looking at a big old Cincinnati mill, I need to bore through some fairly big components to rebush them. Is the mill suitable for taking out bores of say right through 30ton digger hitch in one go?
I’m looking at a big old Cincinnati mill, I need to bore through some fairly big components to rebush them. Is the mill suitable for taking out bores of say right through 30ton digger hitch in one go?
I’m going to try get hold of a big Cincinnati mill at some point.I’m looking at a big old Cincinnati mill, I need to bore through some fairly big components to rebush them. Is the mill suitable for taking out bores of say right through 30ton digger hitch in one go?
It’sAs @Karliboy says, need a bit more info. Which model of Cincinnati mill is it, and what's the rough dimensions of the hitch? That way I can work out if the mill has enough space between spindle and table to take the boring head, boring bar, and the part itself.
Have to admit that I'd be looking for a HBM to do that kind of thing.
it’s a 210-14- vt.. looks to be fairly big but after some measurements it can go up to 430mm so over 100mm less than my biggest part. But should manage the other jobs that need to be line bored. Am I better with a proper boring machine? And it has to be cheap! And accurate!!As @Karliboy says, need a bit more info. Which model of Cincinnati mill is it, and what's the rough dimensions of the hitch? That way I can work out if the mill has enough space between spindle and table to take the boring head, boring bar, and the part itself.
Have to admit that I'd be looking for a HBM to do that kind of thing.
My pal recommended that.. holding the bottom of the boring bar with a bearing. Should work?Would a radial arm drill not be more suitable?
My pal recommended that.. holding the bottom of the boring bar with a bearing. Should work?Would a radial arm drill not be more suitable?
got a big old lathe and I like the idea of supporting the boring bar at each end but bolting the parts to the saddle sounds difficult or impossible . Is a mill suitable For taking out bores? The problem is I need a massive one to get these parts in.Yeah, that's not going to do what you want of it. You'd need at least 750mm between spindle and table to allow enough clearance for part, boring bar, and boring head. It really is the kind of job that HBM's excel at, though finding one - especially an accurate one - that's cheap would be quite a challenge.
A possible alternative is to use a between-centres boring bar on a lathe. That's assuming you've got access to a big 'ole lathe with enough swing and a saddle that's amenable to being bodged around with in order to clamp the part down. Setup time would be a nightmare, but it's an old trick that does work in a pinch.