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Rifles, Reloading, Optics, Equipment
Gunsmithing
!!! I think I got a ruined action !!!
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<blockquote data-quote="James Jones" data-source="post: 185875" data-attributes="member: 8843"><p>I Set up the old barrel in a lathe and adjusted the tool post to fit the threads correctly and they are 60 deg threads its just that they are cut crooked. I have talked to asveral other guys that have a good idea about what can be done to the action as I'd rather fix the problem that just adapt to the screw up , I think that I can straiten out the bad threads now that I know what the actual thread angle is. Its just gnna be hard to find the actual bottom of the thread as a 60 deg insert won't fit into the current threads , I think if I set up enough dial indicators I can either fix it or ruin it. The current thickness of the actiuon walls from the peak of the threads to the out side of the action is .178" , I think that I can probably go safely to .150" being that this is a cromemoly action.</p><p> </p><p>I might get hold to some egg head parts orders at work (engineers) and have them run some numers for me to see what kind of stress that thick of action can take.</p><p> </p><p>Hell If all else fails I can make a shrink fit sleeve for it out of 17-4 , make it .003" smaller than the action , bake the sleeve and freeze the action then press them together and hope for the best.</p><p> </p><p>Who knows whats gonna happen , the worst case is that I wreck the action and I'm out a few hundred buck with a very expensive lesson , at least its my action.</p><p> </p><p>I just hope that this was a simple mistake of the first builders part and not a stupid attempt to make their work specific so that it has to come back to them.</p></blockquote><p></p>
[QUOTE="James Jones, post: 185875, member: 8843"] I Set up the old barrel in a lathe and adjusted the tool post to fit the threads correctly and they are 60 deg threads its just that they are cut crooked. I have talked to asveral other guys that have a good idea about what can be done to the action as I'd rather fix the problem that just adapt to the screw up , I think that I can straiten out the bad threads now that I know what the actual thread angle is. Its just gnna be hard to find the actual bottom of the thread as a 60 deg insert won't fit into the current threads , I think if I set up enough dial indicators I can either fix it or ruin it. The current thickness of the actiuon walls from the peak of the threads to the out side of the action is .178" , I think that I can probably go safely to .150" being that this is a cromemoly action. I might get hold to some egg head parts orders at work (engineers) and have them run some numers for me to see what kind of stress that thick of action can take. Hell If all else fails I can make a shrink fit sleeve for it out of 17-4 , make it .003" smaller than the action , bake the sleeve and freeze the action then press them together and hope for the best. Who knows whats gonna happen , the worst case is that I wreck the action and I'm out a few hundred buck with a very expensive lesson , at least its my action. I just hope that this was a simple mistake of the first builders part and not a stupid attempt to make their work specific so that it has to come back to them. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
!!! I think I got a ruined action !!!
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