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Rifles, Reloading, Optics, Equipment
Gunsmithing
Slick way to cut a picatinni blank to fit the action?
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<blockquote data-quote="concordshooter" data-source="post: 1345681" data-attributes="member: 36331"><p>large radius cutter calculation</p><p></p><p>sin C = D/2Rc</p><p></p><p>where C = angle of cutter with axis of work surface</p><p>D = cutter dia</p><p>Rc = desired radius of surface</p><p></p><p>std flat btm end mill can be woodruff cutter or carbide router bit</p><p>obviously cutter must be larger than radius desired </p><p>Bridgeport mill angle head 90deg -"C" --- c is angle from work piece not angle from vertical of head</p><p></p><p>been a while since I've done it and takes some trial and error to get figured out but does work, mauser's tend to be off slightly anyway so best to cut close and plan on bedding base to action for best fit. I believe EGW makes a small ring mauser base, undrilled best bet if allready been drilled, unless factory or your sure holes will match.</p></blockquote><p></p>
[QUOTE="concordshooter, post: 1345681, member: 36331"] large radius cutter calculation sin C = D/2Rc where C = angle of cutter with axis of work surface D = cutter dia Rc = desired radius of surface std flat btm end mill can be woodruff cutter or carbide router bit obviously cutter must be larger than radius desired Bridgeport mill angle head 90deg -"C" --- c is angle from work piece not angle from vertical of head been a while since I've done it and takes some trial and error to get figured out but does work, mauser's tend to be off slightly anyway so best to cut close and plan on bedding base to action for best fit. I believe EGW makes a small ring mauser base, undrilled best bet if allready been drilled, unless factory or your sure holes will match. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Slick way to cut a picatinni blank to fit the action?
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