Thread: Lathe ATC Options?
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09-08-2018 #21
Pneumatic turrets using a hirth or curvic coupling are far sturdier, but as you're aware, they are far more complex (and good hirth/curvic couplings are not cheap!).
They have the benefit that the tool disc gets clamped firmly in place with lots of mating surfaces, whereas on a ratchet and pawl setup, not only do you have flex due to the shaft needing to be able to rotate, you're relying on a single point of contact to resist cutting forces.
And as already mentioned, parting is where you're most likely to notice any play/flex on a lathe.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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