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Rifles, Reloading, Optics, Equipment
Gunsmithing
Cutting dovetails, how hard can it be...
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<blockquote data-quote="Trickymissfit" data-source="post: 632128" data-attributes="member: 25383"><p>That's the one advantage of cutting dovetails with a reworked end mill. Unless I was going to scrape the dovetails (usually cast iron), I always put a small relief in the large flat surface. (not much, and usually under cut by about .003" - .005") The .06" relief in the corner will really help you out in getting the angles to come out right due to the loss of tool pressure in that corner. I did try to cut some dovetails with the ram attachment for a Bridgeport, and trust me they are not good for much of anything in my book. Still nothing cuts dovetails as well as a shaper. I also seriously recommend you trying 8620 hot rolled steel next time. It cuts much better than CRS, and certain lots come with a high sulphur content that will also aid in cutting the stuff. You really didn't do all that bad for cutting CRS</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 632128, member: 25383"] That's the one advantage of cutting dovetails with a reworked end mill. Unless I was going to scrape the dovetails (usually cast iron), I always put a small relief in the large flat surface. (not much, and usually under cut by about .003" - .005") The .06" relief in the corner will really help you out in getting the angles to come out right due to the loss of tool pressure in that corner. I did try to cut some dovetails with the ram attachment for a Bridgeport, and trust me they are not good for much of anything in my book. Still nothing cuts dovetails as well as a shaper. I also seriously recommend you trying 8620 hot rolled steel next time. It cuts much better than CRS, and certain lots come with a high sulphur content that will also aid in cutting the stuff. You really didn't do all that bad for cutting CRS gary [/QUOTE]
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Cutting dovetails, how hard can it be...
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