Milling formulas
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Description |
Formula |
Definition |
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Chip volumes over time |
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Dc= Cutting diameter ae= Radial cutting width ap= Axial cutting depth fz= Tooth feed rate De= Effective cutting diameter vc= Cutting speed Q = Chip volumes over time I = Working length Vf= Feed rate speed hm= Average chip thickness kr= cut entering angle Pa= Driving power kc= Specific cutting force ηmt = Level of efficiency Tc= Processing time |
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Average chip thickness (Face and step milling) when ae / Dc ≤ 0.1 |
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Driving power |
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Average chip thickness when ae / Dc ≥ 0.1 |
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Processing time |
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