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Thread: 40 taper tooling confusion
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19th February 2019, 12:40 PM #1Most Valued Member
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40 taper tooling confusion
I've just entered the world of 40 taper tooling with an old TOS mill and I'm trying to work out whether I should standardise on a particular type or set the mill up to easily swap between types with different drawbars etc.
Its ISO40 natively, so has the parallel section above the taper and M16 thread. The drawbar is retained somehow - haven't investigated how as yet.
Ideally it would be nicer to just have all ISO40, but the likes of BT40 seems to be more common in industry here down under, so more likely I can pick those up used for a reasonable price.
I've got all the original ISO40 horizontal arbors, but for the vertical spindle I've only got a small mix. Couple of original ISO40 shell mill ones, a new ISO40 collet holder and collets (something uncommon - not ER) and a couple of others - one has the parallel bit above the taper but not M16 (possibly NT40), and one with just the taper so the ISO drawbar won't reach it.
Any sage advice from those of you who have already been down this road?
Steve
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