Technological 1. Cutting speed (V<) Ve(m/min) = Gimm) Data 3. Calculation of feed On the COMPACT mm/min x_g x S(rev./min) 5 PC you program the feed in 1000 V;= d = S = Cutting speed _._—iODia. of workpiece Speed of main spindie F (mm/min) F (mm/min) - Material of workpiece The higher the strength lower the cutting speed. of the material, = Feed inmm per minute S = Speed of main spindle F (mm/rev.) = Feed in mm per revolution The max. acceptable cutting speed depends on: - = 5 (rev/min) x F (mm/rev.) the Material of tool: Carbide tools allow for a higher cutting speed than HSS tools. - Feed: The larger the feed the lower Depth of cut: The larger the cutting speed.
depth of cut the cutting speed. the smaller the The charts on the calculation work. Cutting speed for programming COMPACT 5 PC exercises on the Workpiece material: automatic aluminium Tool: carbide tips Cutting speed for turning: 150-200 m/min Cutting speed for parting off: 60-80 m/min Feed size for turning: 0,02 - 0,1 mm/rev. Feed size for parting off: 0,01 - 0,02 mm/rev. 2. Spindle speed (S) The cutting speed and the workpiece dia. enable you to calculate the speed of the main spindle. S (rev./min) = Vs (mm/min) x 1000 d(mm)x 7 19 following page save the