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Any idea why this lathe is chattering? Spindle bearings?

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loply:
Believe it or not I used a 14lb sledge hammer to remove the spindle on this lathe last time.

That sounds brutal but it's actually not - Rest the smooth head of a smaller hammer against the spindle's rear, and a very slow swing of the 14lber just nudges the spindle out. It's more like a push than a sharp blow.

This is done with the head off the bed of course. Whacking it hard with a light hammer wouldn't work and feels more likely to do damage, but a slow moving unstoppable weight gets it out fairly easily.

Tried a 3 leg puller but I couldn't get the legs to hold on well enough. Obviously a proper press would be better, but needs must...

John Rudd:
Respect to you Loply.... :bow:

I think most folk would have gone ahead and used brute force after attempts with a puller....
Its far easier just to bray something rather than sit down and take stock and think.....

Just to add, my comments re the tightness of the bearings werent meant as a criticism or a ' told you so...' But more to be helpful with constructive comment.... :beer:

sparky961:
I hate to admit this, for fear of looking less impressive next time I do it... but cleanly cutting one piece of metal off another is easier than it looks. The secret? Get in quick, get lots of localized heat QUICK and as soon as its hot enough, hit it with the O2. Get out as quick as you got in. Takes some balls on really expensive stuff though.

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