562 Каталог SUMITOMO 2018 Инструмент металлорежущий Пластины Резцы Фрезы Сверла Стр.N6

Каталог SUMITOMO 2018 Инструмент металлорежущий Стр. N6 0562 Lab2u

Technical Guidance Technical Guidance Basics of Milling Parts of a Milling Cutter Power Requirement Calculating cutting force doc . woc . Vf . Kc Pc = 60 x 106 x n - (kW) Horsepower Pc H = - 0,75 Chip removal amount Q = doc x w„o x Vf (Cm3/min) 1.000 Pc H Q woc Vf doc n Kc Relation between feed rate, work material, specific cutting force Net power requirement (kW) Horsepower requirement (HP) Chip removal amount (cm3/min) Cutting width (mm) Feed speed (mm/min) Depth of cut (mm) Machine efficiency (0,70 0,85) Specific cutting forrce (N/mm2) Eg. rough value / Steel : 2.500 3.000\ \ Cast iron : 1.500 J \ Workpiece Na''\ s o- - x Alloy steel Carbon steel Cast iron Aluminum alloy 1.800 800 200 - k 1.400 600 160 - 1.000 400 120 - Values in the table show the following properties: - Tensile strength (N/mm2) for alloy steel and carbon steel - Hardness (Hb) for cast iron O 0,1 0,2 0,4 0,6 0,8 1,0 n,u Feed rate (mm/tooth) Calculating cutting speed n x D x n Vc = - 1.000 Vc n Calculating feed rate Vf = ft x z x n Vf ft Vf ft = - z z x n Cutting speed (m/min) 3,14 Cutter diameter (mm) Rotation speed (rpm) Feed speed (mm/min) Feed rate (mm/tooth) Number of teeth N6