ER32 or TG100?

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Hello All,

We've got a VF2 coming in 1 weeks time and we need to get some tooling inline for it. We are thinking ~5 collet chucks would be ok for our needs. (Plus a couple shell mill holders/2 end mill holders for indexible end mills)

We did order it with the 10K optional spindle.

Now, what are the prime differences between ER32 and TG100 collets? It looks like ER32 collet chucks are about 30% more expensive then TG100 as well as the individual collets being a few bucks more a piece.

I'm guessing either would be rigid enough for a couple small drills/taps and would probably be fine up to ~1/2 carb end mills. When you get into 3/4" end mills pushing hard through aluminum is it a concern or will either be rigid enough? Either have more problems with tooling pulling out?

Thanks!

[GITRDUN]

I used 3/4" end mills running 80 IPM feedrate with ER32 collets and had no problems. Ran that way for about two years. I dont run any low tolerence parts or extremely high RPM however. Usually run around 4500 - 5000 RPM.

[bremenrules]

I use a combination of TG50 (yeah...don't ask why I got such a hard-to-get size) and ER32. I'm switching over to ER32 completely as time goes by mostly because collets are easy to obtain. Both are as accurate as one would expect and can be and can run at 15k all day. Slippage is generally not a problem with the small diameter tools my shop uses, although there was a case a couple of days ago where a 9/16" drill packed up with chips and ended up spinning in its ER32 collet. The way I see it...something's gotta give when a tool stops cutting. I have no experience with TG100, specifically, but can tell you from my own usage of the above systems that quality chucks (Parlec) and collets - clean and in good condition - are more important considerations than whatever abbreviation manufacturers try to peddle. Nevertheless, in your case I would probably go with ER32. They're not too expensive if you know where to look (~$13 from usst.com) and can 'spring' to handle odd sizes.

My $0.02...

[Mickey_D]

I have ER 32 and TG 75 and they both grip well but the TG collets seem to stick a LOT more often. I keep everything really clean but I don't think that the TG collets have enough taper. The ER collets are also a lot cheaper.