Common Formulas for Milling Operations Speed Feed
Speed – Surface Feet per Minute SFM Feed – Inches per Minute IPM Feed per Tooth FPT Adjusted Feed per Tooth – Chip Thinning AFPT Feed per Revolution FPR Depth of Cut DOC Width of Cut WOC Tool Diameter D of Teeth in Cutter Z Metal Removal Rate – Cubic Inches per Minute MRR
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