Thread: Lathe collet chuck.

Where do you get such fine reading dial indicators,and how much do you pay for them.

Looks good R.C!

Looks good RC, will be very usefull as well.
I only have the ER32 to MT 3 adaptor myself but have been thinking of getting the ER40s.

Pipeclay
I think he added an extra 0 by mistake as it's posted here as well
"http://bbs.homeshopmachinist.net/showthread.php?t=39822"
another one of my daily fixes
Dave

Nah I typed the 0.002mm deliberately...

I know you cannot accurately measure 0.002mm run out with a 0.01mm dial indicator, but the dial indicator actually did not move at all, or a very very small amount..It was more of a gloat then anything else....But since the ER40 nose was machined while fitted to the D1-6 backplate it had to come out with close to 0 run out...

BTW you can by dial indicators that measure in microns quite easily..

RC,
I think you would get flex in that thin bar over that length and the dial indicator is probably pushing on it as well. If you want to measure 0.002 you usually need ten times the resolution to be accurate. That would mean a 0.0001mm or at least a 0.001mm indicator.
Pipeclay,
If your after prices, I bought a really nice Mitutoyo 0.0001 (0.00254 mm) dial indicator off Ebay and paid $34.00 including postage for it. I also bought 2 dial test indicators both Swiss made, one 0.0001 (0.00254 mm) Girod-Tast and one 0.0001 (0.00254 mm) Testatast for $67.00 each posted.
They stay in the draw most of the time, as I just use the china 0.01 mm dial indicator and the 0.01mm dial test indicator for general work.
I would love to get a 0.001 mm test indicator (just to have one) but they are too expensive for me at the moment.
Dave

Good price on the Mitutoyo,Im selling one at the moment but Im hoping for a bit more than $34.

Yes I was lucky with that one. I bought it a couple of years ago of a bloke that had a lot of engineering stuff from an auction.
Dave

Ebay does cough up some great deals from time to time. My silly* resolution indicators are from Cary (another of Tesa's many sister companies) and Carl Mahr. I don't think I paid more than $40 new old stock.

The 10 micron or 0.0005" indicators see more frequent use though.

*1 micron or less. Silly only in the regard that at the micron level most of stuff is as smooth as the surface of the moon.