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Rifles, Reloading, Optics, Equipment
Gunsmithing
How do you hold the chamber reamer?
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<blockquote data-quote="J E Custom" data-source="post: 818024" data-attributes="member: 2736"><p>To save you a lot of grief .</p><p>I will try to step by step the/a process that will keep you out of trouble.</p><p></p><p>The best advice is to do an apprentice ship under an instructor or a good Smith. That being said !</p><p></p><p>The first step is to place the barrel between centers to check for straightness. (Lots of custom barrels</p><p>are not perfectly strait).</p><p></p><p>Next place it in your lathe with about 2'' of shank sticking out of your 4 jaw chuck.</p><p></p><p>Then using a spider or some other device align the muzzle end of the barrel in the lathe using a range </p><p>rod in the bore of the barrel. THE BARREL MUST BE PERFECTLY CENTERED WITH THE BORE !!!</p><p></p><p>Before going any further check the tail stock for axial alignment with the bore.</p><p></p><p>If everything is near perfect you can use the reamer holder with good results and start chambering.</p><p>(Setup is everything. Crap in crap out)</p><p></p><p>Reamer chatter is caused by to fast spindle speed or something that is loose. (Start with spindle speed </p><p>between 50 and 80 rpm) clean the reamer every .020 to .030 thousandths of cut if you don't have a </p><p>pressure lube system.</p><p></p><p>Take your time , It will probably take you 6 to 8 hours the first time you cut a chamber "CORRECTLY".</p><p></p><p>There are other ways of cutting a good chamber and this is just the safest way I know for a beginner.</p><p></p><p>Craftsmanship is learned not born. Don't take shortcuts.</p><p></p><p>Just some advice for what its worth.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 818024, member: 2736"] To save you a lot of grief . I will try to step by step the/a process that will keep you out of trouble. The best advice is to do an apprentice ship under an instructor or a good Smith. That being said ! The first step is to place the barrel between centers to check for straightness. (Lots of custom barrels are not perfectly strait). Next place it in your lathe with about 2'' of shank sticking out of your 4 jaw chuck. Then using a spider or some other device align the muzzle end of the barrel in the lathe using a range rod in the bore of the barrel. THE BARREL MUST BE PERFECTLY CENTERED WITH THE BORE !!! Before going any further check the tail stock for axial alignment with the bore. If everything is near perfect you can use the reamer holder with good results and start chambering. (Setup is everything. Crap in crap out) Reamer chatter is caused by to fast spindle speed or something that is loose. (Start with spindle speed between 50 and 80 rpm) clean the reamer every .020 to .030 thousandths of cut if you don't have a pressure lube system. Take your time , It will probably take you 6 to 8 hours the first time you cut a chamber "CORRECTLY". There are other ways of cutting a good chamber and this is just the safest way I know for a beginner. Craftsmanship is learned not born. Don't take shortcuts. Just some advice for what its worth. J E CUSTOM [/QUOTE]
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How do you hold the chamber reamer?
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