Mike thanks for the suggestion. To clarify, the parts are being assembled vertically. The round part is the base to other parts being assembled on top. My idea was to use something similar to a 3 jaw chuck to prevent the part from moving while its being assembled.
Iam tasked with designing a fixture to hold a Hollow round part 16 ga steel ( various diameter 1"-7"). Is there something off the shelf that does a 3 jaw chuck going outside. My thought is to place the round part and then depending on the diameter expand the jaw chuck to hold the part from...
