Page 382 - Carmex - Inch Catalog 2022
P. 382

®
                                                          Mill-Thread Technical Section


            Conversion of Cutting Speed to

            Rotational Speed





            Conversion of  selected cutting speed to rotational                        Example:  V=400 ft/min
            speed is calculated by the following  formula:                                        D=1.25


                     12     400  12
                                       1222
                                1.25                                                        D=Cutting diameter





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