Feeds and Speeds - Shopbot Bitraf
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Bit sourceMill shapeFlutes Knife length (mm)Spindle speed (RPM)StockFinishDiameter (mm)Width of cut (stepover) (mm)Max pass depth at this feed (mm)Feed (mm/s)Material removal rate mm^3/sMoment arm"Tool strain"Comment
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Bitraf VHFEnd mill12018000Birch plywoodDecent6618.634379415.759572
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Bitraf VHFEnd mill12018000ValchromatDecent6619.629341015.251838
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Bitraf VHFEnd mill12018000Birch plywoodDecent66104325802051600
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Bitraf VHFEnd mill12018000ValchromatDecent66103822802045600
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Bitraf VHFEnd mill11018000ValchromatDecent338.613335
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Bitraf VHFEnd mill12018000Birch plywoodDecent6354872022.516200
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Bitraf VHFEnd mill12018000ValchromatDecent6354364522.514513
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Bitraf VHFEnd mill12018000Birch plywoodGood6158140522.59113
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Bitraf VHFEnd mill11018000ValchromatDecent33515225
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Bitraf VHFEnd mill1518000ValchromatDecent6357110657.57988
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Bitraf VHFEnd mill12018000ValchromatGood6157135522.57988
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Bitraf VHFEnd mill1518000ValchromatGood6151195957.54463
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Bitraf VHFEnd mill11018000ValchromatDecent31.531777
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Bitraf VHFEnd mill11018000ValchromatGood30.5328.543
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Instructions:
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Use the filters to find the bit diameter you want and the material you will mill
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Valchromat settings will work fine for Birch plywood
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It is risk free to use a lower pass depth than the max specified here.
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The max feed possible with the shopbot is 300 mm/s (18000mm/min)
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