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IndustryArena Forum > General Manufacturing Processes > Chucking and Measuring > Rods and adapters to hold dial indicators?
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  1. #1
    Junior Member
    Join Date
    Aug 2012
    Posts
    182

    Rods and adapters to hold dial indicators?

    Have just a bit of experience with milling and started a class at a local community college in the precision machining program to learn some more.

    For a lab fee we got some tools: Magnetic bases, center finder, dial caliper, dial indicators, etc. Given a few basics and more or less turned loose doing some simple projects. Seems like most of the other students have a bit of experience too although it's the first class of the program. One remarked that it seemed like they assumed we already knew a little about the material.

    Anyway, I am looking at the mag bases and dial indicators and thinking I really need a few more parts to connect the two to be able to really use them all.

    Bases:
    Mighty Mag indicator base: Has holes for 3/8" and about 5/16" (v hole would work with smaller). Comes with nothing else.
    Dasqua switchable magnet base with multi-joint arm with clamp for 3/8" and 0.315" (8mm) rods and dovetail of dial indicator. Comes with a short 0.315" pin in the clamp.
    arm threads into base.

    Dial indicators:
    Mitutoyo TI-115TX with dovetails. Also 3/8" round to dovetail, 0.157" (4mm) round to dovetail, and 0.25 x 0.5" BAR TO DOVETAIL, 3/8" or 0.157 rounds.
    H&Hip 7121-0025 0-1" with 0.25" hole in tab on the back. Stem is 3/8".

    I see how I can use the first indicator with the second base and put it in whatever position I need. Also see how I could put it in the mill spindle with the 3/8" round adapter although checking concentricity of a round part or hole will be limited to small parts/holes.

    I see how to use the second indicator with the second base using the 3/8" stem but have nothing obvious to use the tab hole mounting.

    I don't see how to use the Mighty Mag base. I could put the 3/8" pin in the hole but that would give no adjustment to the position.

    I seem to be missing some bars or adapters. Where would I use the 0.25 x 0.5" bar mount? What's the purpose of the 0.315" dowel pin? Seems to be just for shipment.

  2. #2
    Member
    Join Date
    Jun 2015
    Posts
    3442

    Re: Rods and adapters to hold dial indicators?

    hy i use noga products ( Noga Engineering ), and i have ordered separately the base, the articulations and the clamp

    i decided to go that way, after i noticed that i could built a tough one, by choosing proper subcomponents

    rods/adapters, thus accesories, i have almost all variants (as shiping cost was high, it is more economical to buy as many accesories as possible, so to trigger only one shipment), but, in the end, i sticked to the most simple, yet rigid one; after a while, i simply machined a few magnetic bases, cutting threads, so to mount on them custom chucks, etc

    whenever needed, i refresh the magnetic base, by grinding

    pls check attached, so to have a clue / kindly

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