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Re: RE: Centering pepper grinder

Posted: Mon Jan 22, 2018 7:29 pm
by Skizzity
marklaf wrote:I have four a jaw Barracuda chuck that I use to make pepper grinders. I can't center the stock in the chuck. When I back the head stock away from the tail stock the grinder wobbles in the chuck as it spins.
Find center on your stock and use a woodworm screw in your jaws.

Re: Centering pepper grinder

Posted: Tue Jan 23, 2018 6:47 pm
by STB
Recently I made some Kururin figit sticks. To get the thruhole centered I turned jam chucks insearted them at each end and finished turning the figit sticks. This procedure can be used for pepper grinders.
Picture 1 shows turning the jam chucks.
Picture 2 shows drilling the thru hole in the rough turning. As the picture shows I used a chuck mounted in the tail stock. But with the SS a horizontal boring setup would work well.
Picture 3 shows how the jam chucks are assembled for finish turning.
Picture 4 is the finished turning still mounted on the lathe.
k1 (800x598).jpg
k1 (800x598).jpg (344.26 KiB) Viewed 3231 times
k2 (800x516).jpg
k2 (800x516).jpg (339.09 KiB) Viewed 3231 times
k3 (800x594).jpg
k3 (800x594).jpg (254.44 KiB) Viewed 3231 times
k4 (800x581).jpg
k4 (800x581).jpg (320.27 KiB) Viewed 3231 times