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Already have a ShopHardinge. Reset Your Password. Shop All Products. Rotary Products Shop All. Exit Navigation. Repair Parts Shop All. Kellenberger Tschudin Voumard Hauser Usach. Robotic Cells. Rotary Tables. High Pressure Coolant. Coolant Filtration. Fluid Chillers. Hand loading it is annoying though. If I did it again I might get a true length one for better flexibility. All in all it is not a bad piece of kit for the money. Originally Posted by csharp. Anyone have any suggestions or experience with ATS collet chucks?
Originally Posted by obars. I have 6 of the ATS true length collet chucks I only need 4 S20 - 3 jaw type pads, my spindles are A - I would be willing to part with one and save you some cash - send me a PM if interested. I like them both - the ATS is nice because it comes apart and you can replace just the nose for different types of collet although it's so expensive to do so that you'd be better just buying a whole new chuck.
The ATS is nice and light. My Royal chuck is heavy as hell but both of them hold great tolerances. I try to only buy Hardinge collets now I also had Lyndex and some no-name imports from US Shop Tools and I find the Hardinge brand collets have a lot more spring and will take larger stock.
You can also buy collets in 64ths which lets you run stock that's 30 over. As for dead length, I think you really only need it for subspindle work. The pullback on the non-dead length collets is repeatable within several thou, although it can change maybe 20 or 30 thou if you have one bar that is - say 1.
It's not a problem for 2nd op work when I am using a stop - it's perfectly repeatable there. Well you can put me down as yet another ATS collet chuck owner who's very happy with his. I have a 16C for my Haas SL It's a pull back style.
Holding lengths with it isn't too much of a problem as long as the diameter you're chucking on is consistent from part to part. That's not an ATS chuck problem, it's more a chuck style problem So when you're pushing hard on the part in Z , the forces are trying to open the chuck.
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