David P Best:
Original Shaper Ring for Profil 45
David P Best:
Centering the ring in the lathe chuck
David P Best:
Mounted on lathe for ID size increase
David P Best:
Machining the ID to larger size
David P Best:
Bringing to final size
David P Best:
Finished ring - testing fit
David P Best:
Final result
David P Best:
Checking ID size is 180mm