O-Ring Groove Measurement Method in CNC Machined Parts

C

chandaraasekar

We are using CNC lathe for machining a internal O-Ring groove. Can any one help me proposing inspection method other than digital groove caliper prior to removing the part from lathe. Size 3mmX42mm.
 
Would it be possible to use a probe head combined with a disc stylus in your machine? That would solve the problem, but may be a bit expensive unless you already have a probe head for it.
 

Eredhel

Quality Manager
At the machine we use Bryant Gages a lot, ID bore gages, and ID mics. On the cheap we'll occasionally use telescoping gauges & ID calipers with a mic when we can't get a size and have to check it now. You can get ID bore gages custom made for larger IDs.
 
J

Jake in WI

Several manufacturers come to mind. Try Dyer, Dorsey, Mueller, Starrett; look for I.D groove gages and you will find various configurations. There is also a device usually named "Indicating groove caliper"; some of these have contact points that can vary the range.
 

Michael_M

Trusted Information Resource
Depending on the tolerances of the groove; if you would normally be able to measure with digital calipers, can you use something like: Groove Masters

I pulled the image from MSC, depending on where you live, you would have to order from someone else but....
 
G

gaugestools

you can make one tool, U-style steel plate to check the groove, I know the supplier to produce this tool, if you need, you can message me
 

howste

Thaumaturge
Trusted Information Resource
you can make one tool, U-style steel plate to check the groove, I know the supplier to produce this tool, if you need, you can message me
As long as the supplier isn't your company, why not just post the name here?
 
G

gaugestools

the supplier don't have website, it is a very small tool supplier
 
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