How piston rings are made

Awesome company, the builders also need to have a profilometer to get the exact finish in the bore for the ring to seal also. :encourage:
 
I went thru Kaydon up here in Baltimore a few years ago while searching jobs . They had quite an operation producing rings and seals working in the light beam tolerance . This was the old Koppers plant . They ended up moving up to Hanover Pa . to their bearing plant which went south . Cool operations .

 
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