deljr15
Cast Iron
- Joined
- Aug 6, 2013
- Location
- Duluth, Mn
As the title says anyone know of a way to do this with any common caliper?
So when closed it would read some positive value.
So when closed it would read some positive value.
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As the title says anyone know of a way to do this with any common caliper?
So when closed it would read some positive value.
Right I get the whole it reads incrementally part. I was just hoping that maybe there was a hidden way. This would be a really handy feature. When checking holes to edge of part to have it auto add a value set to be the radius of the hole.
I feel like there is a missed opportunity for caliper makers here.
So back to the OP. No?
This is a case where a company like Mitutoyo could make a little software update to give their calipers more functionally.
*sigh* They DO...
And they expect to get PAID for it.
As the title says anyone know of a way to do this with any common caliper?
So when closed it would read some positive value.
What about using a pin (perfect fit with the hole) in the hole and either a gauge block or, if you have one, a Moore-style edge finder? At that point you have both rather reliable references for your measurement and you need to subtract a positive value (i.e. half of pin diameter and the whole gauge block).
Paolo
The problem with this is the same as measuring from the near edge of the hold...What about using a pin (perfect fit with the hole) in the hole and either a gauge block or, if you have one, a Moore-style edge finder?
Convincing an undersize pin to remain rigidly and accurately in position while you make a measurement by applying pressure against it laterally would be a significant accomplishment indeed.How about using a pin of the diameter of the radius of the hole. That way there's no addition required and the measurement is more accurate.
Sigh, here we go. Why would you want to do that? There are 3 common caliper types - vernier, dial and digital. What you want to do is impossible with a vernier unless you have gorilla like strength. With a dial rotate the dial to something other than zero. With a digital you have 2 options. Either the "gorilla solution" or simply buy a digital caliper that can be PRESET (not reset as they all have that) and you get it to show just about any number you want. I have in fact a couple of digital calipers that can be PRESET and find them useful for my special purpose.
I believe I can post this link to show what I mean as I have no idea who they are. It's the text that's interesting IMO.
Exactools - 216.126.P
To speed up program prooveout/inspection it would be nice to zero a caliper to half the slot width. Operator then uses this "special" caliper to measure and note the locations without doing any math.
Dunno the sizes you are faced with, but for a rather broad range of 'em, I could reach for my Flexbar Indical, select tips and DI to suit, and HAVE such a hasty gage - cheaply - in a lot less time than this thread has been running...
Bill
A hasty fix is to use a bit of tape and stick a gauge block stack to the jaw of a caliper. In doing so it seemed this was something the caliper could do without the hokey workaround. Hence asking a simple question.
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