[Ja...] Posted March 23, 2023 Share Posted March 23, 2023 So we have a couple of parts that we are getting, and they have an internal spherical diameter of Ø.873-.874 (finishes at Ø.8755/.8758). What are the best options for inspecting this diameter with the part still loaded in the cnc machine, not on the CMM? Link to comment Share on other sites More sharing options...
[Da...] Posted March 27, 2023 Share Posted March 27, 2023 This might work..Screenshot 2023 new.png Link to comment Share on other sites More sharing options...
[Ja...] Posted March 27, 2023 Author Share Posted March 27, 2023 We have one of those, except the tolerance for the spherical diameter is .0003". The Dial caliper gage is in .0005" increments. Link to comment Share on other sites More sharing options...
[Da...] Posted March 27, 2023 Share Posted March 27, 2023 not that exact model perhaps, but something similar. Link to comment Share on other sites More sharing options...
[Da...] Posted March 27, 2023 Share Posted March 27, 2023 You'll probably have to master a part before it gets into size. Then use the master to set the gage. We do it quite frequently. I don't think you'll find a gage capable of holding .0003 in the machine.dyn-groove-gage(1).png Link to comment Share on other sites More sharing options...
[Da...] Posted March 27, 2023 Share Posted March 27, 2023 Sorry , that's a Dorsey gage pictured. DYN Groove gage. Supplied with a .0005 res indicator. Link to comment Share on other sites More sharing options...
[Da...] Posted March 27, 2023 Share Posted March 27, 2023 Hey Jake, if you figure out a way, please post your solution. We get into similar problems all the time. Link to comment Share on other sites More sharing options...
[Ja...] Posted March 27, 2023 Author Share Posted March 27, 2023 Will do. Link to comment Share on other sites More sharing options...
[Jo...] Posted March 27, 2023 Share Posted March 27, 2023 Please sign in to view this quote. Avoid this p.o.s if possible. The accuracy of .0015" is being generous. Repeatablity is worse. They also need "zero" at the range you are measuring. Link to comment Share on other sites More sharing options...
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