Measuring an internal groove for a snap ring suggestions

Brizilla

Quite Involved in Discussions
#21
Does the snap ring protrude into the bore after assembly?
If so, scribe a line across it, and document the Id to OD dim., pop it in the part and measure the ID. add the the two ring wall thickness (Id to OD dims) and that should be your snap groove dia. You could also have a functional gage made to do the same thing that could be checked with a CMM or even plug gages for in-process.
 
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Jim Wynne

Staff member
Admin
#22
Does the snap ring protrude into the bore after assembly?
If so, scribe a line across it, and document the Id to OD dim., pop it in the part and measure the ID. add the the two ring wall thickness (Id to OD dims) and that should be your snap groove dia. You could also have a functional gage made to do the same thing that could be checked with a CMM or even plug gages for in-process.
There might be any number of ways to measure the feature; the problem is the tolerance.
 
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