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Can You Use a Dial Caliper as a Non-Digital "DRO?" (was "Re: LittleMachines DROs and dials")

 

I just bought a Shars 6" dial caliper after admiring one belonging to a friend.? It's probably the best and most durable dial caliper I've ever had.? But I also have a Chinese dial caliper that's cheap and less solid-feeling than the Shars.? So would it be practical to turn this cheapo dial caliper into the equivalent of a DRO to measure tailstock extension?? This would have disadvantages compared with using a digital caliper for this, because you can't change from metric to Imperial and you couldn't hit a button to zero it.? But a major advantage is that the batteries would never die.? Has anybody tried this?

Mike Taglieri

On Tue, Feb 20, 2024 at 7:31?PM davesmith1800 <davesmith1@...> wrote:

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I think someone mentioned that ya can get battery holder's with a switch , some double sided tape to hold the battery holder on the tailstock . Or ya can add yer own switch to one .

I'm sure there's a couple kazillion of them on the big A also .

animal

On 2/22/24 7:32 PM, Miket_NYC wrote:

I just bought a Shars 6" dial caliper after admiring one belonging to a friend.? It's probably the best and most durable dial caliper I've ever had.? But I also have a Chinese dial caliper that's cheap and less solid-feeling than the Shars.? So would it be practical to turn this cheapo dial caliper into the equivalent of a DRO to measure tailstock extension?? This would have disadvantages compared with using a digital caliper for this, because you can't change from metric to Imperial and you couldn't hit a button to zero it.? But a major advantage is that the batteries would never die.? Has anybody tried this?

Mike Taglieri

On Tue, Feb 20, 2024 at 7:31?PM davesmith1800 <davesmith1@...> wrote:

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This what did on my mill.
?Dave??
 

I like dial indicator only on the cross slide because will not skip on 0.001 or greater.

The rest of time digital read out if skips 0.001 or .002 I still have a good part.

Dave?
 

Rather than a dial caliper I used a 2" long travel indicator as seen here:


This uses a plastic flag on the tailstock and a magnetic base to hold the indicator on the tailstock.? Easily removed when not needed.? Large dial is easy on old eyes ;-)

John
 

I have dial indicator that has 3?" face.
But use a very large vertical boring mill and 10 feet from dial indicator.?
Works great

On tail stock I never need a that a digital or dial for drill bits but but used large drills.?

Dave?

GadgetBuilder 7:03am? ?
Rather than a dial caliper I used a 2" long travel indicator as seen here:
https://gadgetbuilder.com/TailFlag.jpg
This uses a plastic flag on the tailstock and a magnetic base to hold the indicator on the tailstock. Easily removed when not needed. Large dial is easy on old eyes ;-)
 

I was happy with numbers on quill.
My SB had no marks.?
My mini lathe has both inch and monkey ? marks. Happy days.

On SB I used tape on drill bit for depth.?

Dave?

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