Modular Head Series Tooling by DIJET S-Head SMSATYPE ■ RECOMMENDED CUTTING CONDITIONS ● SMSA type + MSN Carbide Shank Holder (1) Shoulder Milling Tool dia. (mm) Work Type of 16 20 Materials Machining ℓ n Vf ℓ n Vf (mm) (min-1) (mm/min) (mm) (min-1) (mm/min) ae 70 2,000 500 75 1,600 400 Carbon & Alloy steelS50C, SCM440(C50, 1.7223)ap110 1,800 400 125 1,400 300 Below 250HB ap≦Dc ae≦0.03Dc 150 1,600 300 175 1,200 250 ae 70 2,000 500 75 1,600 400 Stainless steelSUS304 ap 110 1,800 400 125 1,400 300 Below 250HB ap≦Dcae≦0.03Dc 150 1,600 300 175 1,200 250 ae 70 1,400 300 75 1,100 280 Mold steel HPM7, PX5, NAK80, P20(1.2311, P20)ap 110 1,200 240 125 950 200 30-43HRC ap≦Dc ae≦0.03Dc 150 1,000 180 175 800 150 ae 70 800 200 75 600 150 Heat resistant alloyInco718 ap 110 700 150 125 550 120 35-43HRC ap≦Dc ae≦0.03Dc 150 600 120 175 500 100 ae 70 1,400 300 75 1,100 280 Titanium alloyTi-6AL-4V ap 110 1,200 240 125 950 200 35-43HRC ap≦Dc ae≦0.03Dc 150 1,000 180 175 800 150 ae 70 4,000 900 75 3,200 800 Aluminium alloy ap A5052, A7075 110 3,600 800 125 2,800 600 50-110HB ap≦Dc ae≦0.03Dc 150 3,200 700 175 2,500 500 ℓ: Overhung length, ap: Depth of cut, ae: width of cut, n: Spindle speed, Vf: Feed speed ■NOTE 1) In case of side face finishing for improved productivity & efficiency, please increase ap and reduce ae. This will also help to reduce the heat generation. 2) In case of bottom face finishing for improved productivity & efficiency, recommended to use lower (shallow) depth of cut and increase feed speed. 3) Recommend to use internal coolant supply to reduce cutting heat and built up edge problem. B183