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Rifles, Reloading, Optics, Equipment
Gunsmithing
Cutting dovetails, how hard can it be...
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<blockquote data-quote="Jinx-)" data-source="post: 632498" data-attributes="member: 19791"><p>About climb milling, here is what I found about dovetail cutting from that article I listed before.</p><p></p><p><strong>5. Failure to climb mill.</strong> Although conventional milling has the benefit of gradually loading the tool, in low-chip-load applications (as dictated by a dovetail cutter's small neck diameter) the tool has a tendency to rub or push the workpiece as it enters the cut, creating chatter, deflection and premature cutting edge failure. The dovetail has a long cutting surface and tooth pressure becomes increasingly critical with each pass. Due to the low chip loads encountered in micromachining, this approach is even more critical to avoid rubbing. Although climb milling loads the tool faster than conventional milling, it allows the tool to cut more freely, providing less deflection, finer finish and longer cutting-edge life. As a result, climb milling is recommended when dovetailing.</p></blockquote><p></p>
[QUOTE="Jinx-), post: 632498, member: 19791"] About climb milling, here is what I found about dovetail cutting from that article I listed before. [B]5. Failure to climb mill.[/B] Although conventional milling has the benefit of gradually loading the tool, in low-chip-load applications (as dictated by a dovetail cutter’s small neck diameter) the tool has a tendency to rub or push the workpiece as it enters the cut, creating chatter, deflection and premature cutting edge failure. The dovetail has a long cutting surface and tooth pressure becomes increasingly critical with each pass. Due to the low chip loads encountered in micromachining, this approach is even more critical to avoid rubbing. Although climb milling loads the tool faster than conventional milling, it allows the tool to cut more freely, providing less deflection, finer finish and longer cutting-edge life. As a result, climb milling is recommended when dovetailing. [/QUOTE]
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Cutting dovetails, how hard can it be...
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