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BIG digital caliper

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Joules:
I've seen a lot of guys fitting digital calipers to lathes and mills, thanks for the inspiration.  I needed to measure a large item accurately, my height gauge is the largest digital measuring device I have at 300mm. OK I could use it over the side of the bench, but the lathe has DRO.



Meet my new 650mm digital caliper.  The DTI ensures you always have the same pressure on the part so you don't distort it.  Zero off the block (anvil) in the chuck.  It's a new way of measuring for me, so that lathe or mill DRO can also double duty as a massive caliper.  It's sure a lot more stable than my 150mm hand held version.

awemawson:
A nice bit of lateral thinking Joules  :bow: :bow:

(How critical IS this bicycle rim  :lol: )

Joules:
The cycle rim came to a sudden stop.  I had a go at making it round again, but failed.   :scratch:   Should have bid on your power hammer.

Joules:
Taking this a little further.  The DRO is switchable between lathe and mill, this means I can switch to mill and use the DRO for setting out work, bolt patterns, scribed lines etc. A cross drilled bar can be held in the tool post and scribe point lowered to the work surface for marking.   I wasn't expecting to make any use of the DRO's mill features....   BONUS 

jim:
Excellent use of the DRO :nrocks:

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