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Thread: Need Suggestions for re-crowning an octagon barrel, in center rest

  1. #1
    Boolit Master
    Chill Wills's Avatar
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    Need Suggestions for re-crowning an octagon barrel, in center rest

    Wanting to re-crown an octagon barrel out on the right side of the lathe bed.

    Need Suggestions for holding the 7/8" octagon barrel in a center rest that is not too hard to set up.
    I have some ideas but they turn into elaborate and cost problems.

    I have my fathers post WWII era home machine shop and my lathe is a South Bend 9A with 54 inch bed. These nice old hobby lathes Achilles Heels is the 0.750" headstock.

    Often, you seasoned machine shop types, have "forehead slap" solutions to my problems.

    Thanks in advance for any help.
    Last edited by Chill Wills; 08-10-2017 at 10:10 PM.
    Chill Wills

  2. #2
    Boolit Buddy
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    Use a cathead in a steady rest.

    http://www.homemadetools.net/homemade-lathe-cathead

  3. #3
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    leebuilder's Avatar
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    Cat head is the only way to run it in a lathe unless you turn a spot round. I would use a hand crowning tool and pilot.
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  4. #4
    Cast an approximately cylindrical plug of cerrosafe, hard lead alloy or liquid plastic around it. A piece of cardboard tube will do for the low-temperature options. Then turn it truly concentric between centres. Or if the barrel is tapered you could do the same with a piece of thick-walled brass or aluminium tubing, tapped down until the corners of the barrel dig in firmly.

  5. #5
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    Ditto the Cathead. If you don't have one you need it anyway and it is a very simple, straight forward project.
    Dave

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  6. #6
    Boolit Master
    Chill Wills's Avatar
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    Quote Originally Posted by drhall762 View Post
    Ditto the Cathead. If you don't have one you need it anyway and it is a very simple, straight forward project.
    Yup. I agree with your logic. I will use it more in the future so I might as well just make one. I have been looking at samples to copy.

    Thanks!
    Chill Wills

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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check