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  1. #1
    Join Date
    Mar 2009
    Posts
    1863

    Re: More accurate Z axis needed

    Quote Originally Posted by tmarks11 View Post
    Which is why you use a micrometer and a telescoping hole gage. A granite surface plate, a height gage, a set of gage blocks, and a 0-4-0 DTI also allow measurements in the tenths range without too much work.

    Not too hard to get tenths accuracy in measurement. All things that should be in your toolbox.

    Some day I will stumble across a set of hole micrometers on craigslist and I can throw the telescoping gage in the bottom drawer. I don't like them, but not to the tune of dropping $600++.
    Check with Shars. They have a .2 to 1.2 inside mic for $41.95, 1-2 for $50.95, 2-3 for $69.95 and a 4-3 for $79.95.

    I have 3 inside mics ranging from .2 to 3.0. and I have less than $100.00 in them, but I bought them about 10 years ago. Yes, they are Chinese, but for what I do with them, they work just fine.
    You can buy GOOD PARTS or you can buy CHEAP PARTS, but you can't buy GOOD CHEAP PARTS.

  2. #2
    Join Date
    Jul 2004
    Posts
    1424

    Re: More accurate Z axis needed

    Quote Originally Posted by Steve Seebold View Post
    Check with Shars. They have a .2 to 1.2 inside mic for $41.95, 1-2 for $50.95, 2-3 for $69.95 and a 4-3 for $79.95.
    Thanks, I will give those a try. They gotta be better than me with a telescoping hole gage and a mic. I worked long and hard to get a good feel for the process, but if I haven't touched them for 6 months, I lose the feel.

    I would like a set of internal 3 pt hole micrometers, but that is way done the list of "wants", not even close to the "must have" category.
    Tim
    Tormach 1100-3, Grizzly G0709 lathe, Clausing 8520 mill, SolidWorks, HSMWorks.

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