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Boring the hole round, maybe while clamped down on the mill table with a sacrificial wood or aluminum block under it, would let you do an arbor. An expanding arbor is easy to make and lets you turn right to the hole.
Quote from: crueby on November 25, 2020, 09:05:19 PMBoring the hole round, maybe while clamped down on the mill table with a sacrificial wood or aluminum block under it, would let you do an arbor. An expanding arbor is easy to make and lets you turn right to the hole.Thanks Chris, I like your idea. I remember you using an expanding arbor on your project a while back. Jim
Thanks for the tip Chris.My next task is to figure out how to hold the Eccentric in order to flatten the sides and mill to the proper thickness. I guess one option would be to bore it (maybe not to final size) and then make an arbor to hold it for turning the sides.Jim
Quote from: Flyboy Jim on November 25, 2020, 08:43:08 PMThanks for the tip Chris.My next task is to figure out how to hold the Eccentric in order to flatten the sides and mill to the proper thickness. I guess one option would be to bore it (maybe not to final size) and then make an arbor to hold it for turning the sides.JimI did mine in the 4 jaw chuck. I used the boring tool to face the sides.Eric