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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dialing in bore for threading and chamber?
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<blockquote data-quote="Alex Wheeler" data-source="post: 1366702" data-attributes="member: 101859"><p>My chuck threads on the spindle, so it is about as close to the front bearing as I can get it. The bearings stay put with a dab of grease on them. The point of this setup is a bind free way to hold something round that wont move. We do not need or want sacrificial metal in the mix anymore. Soft metal allows the barrel to shift during the chambering process as its fighting that bend thats probably induced in the barrel. Use all steel and you will be able to chamber a barrel and the indicator will still read the same in the bore as it did before you started. Thats what led to me make this thing in the first place, checking my work, I couldn't eliminate small movements during the machining process. This style chuck solved all my problems. This is after the work is done, bore in front of the chamber, freebore of the chamber and the back of the chamber are all concentric.[MEDIA=facebook]476613546070914[/MEDIA]</p></blockquote><p></p>
[QUOTE="Alex Wheeler, post: 1366702, member: 101859"] My chuck threads on the spindle, so it is about as close to the front bearing as I can get it. The bearings stay put with a dab of grease on them. The point of this setup is a bind free way to hold something round that wont move. We do not need or want sacrificial metal in the mix anymore. Soft metal allows the barrel to shift during the chambering process as its fighting that bend thats probably induced in the barrel. Use all steel and you will be able to chamber a barrel and the indicator will still read the same in the bore as it did before you started. Thats what led to me make this thing in the first place, checking my work, I couldn't eliminate small movements during the machining process. This style chuck solved all my problems. This is after the work is done, bore in front of the chamber, freebore of the chamber and the back of the chamber are all concentric.[MEDIA=facebook]476613546070914[/MEDIA] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Dialing in bore for threading and chamber?
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