High Feeds I'd go with Solid Tool Holders and End Mills with a Weldon Shank. ETM (AKA ISCAR) make some good ones for CAT40 and 50 Taper Machines at a reasonable price. T.I.R. depending on how good the Tool Shank, Spindle Taper, and Tool Holder should be around .00025 to .0005.
Seco Carboloy, Iscar, Kennametal, and Sandvik have a lot of Indexable Insert ToolHolders that really rip down material fast. TIR on those tools depending on the same conditions above should be around .0001-.0003 maximum.
The more Accurately a Tool is Held in the Spindle the Longer Tool Life you will get, granted....... Feeds, Speeds, Material, Machine Rigitity, and Set Up also play their roll in the art of Machining.
Cheers!!!!!!!
Toby D.
"Imagination and Memory are but one thing, but for divers considerations have divers names"
Schwarzwald
(Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)
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