Modular Head Series Tooling by DIJET S-Head SMSATYPE ■ RECOMMENDED CUTTING CONDITIONS ● SMSA type + MSN Carbide Shank Holder (2) Bottom Face Milling Tool dia. (mm) Work Type ofMaterialsMachining 25 30/32 ℓ n Vf ℓ Vf (mm) (min-1) (mm/min) (mm) (min-1) (mm/min) 100 1,300 1,000 110 1,000 800 Carbon & Alloy steel S50C, SCM440(C50, 1.7223) 150 1,150 900 160 900 700 Below 250HB 200 1,000 800 210 800 600 100 1,300 1,000 110 1,000 800 Stainless steel SUS304 150 1,150 900 160 900 700 Below 250HB 200 1,000 800 210 800 600 100 900 700 110 700 550 Mold steel HPM7, PX5, NAK80, P20(1.2311, P20) 150 800 600 160 600 500 30-43HRC 200 600 500 210 500 400 100 500 400 110 400 320 Heat resistant alloy Inco718 150 450 360 160 380 300 35-43HRC 200 400 320 210 360 280 100 900 700 110 700 550 Titanium alloy Ti-6AL-4V 150 800 600 160 600 500 35-43HRC 200 600 500 210 500 400 100 2,600 2,000 110 2,000 1,600 Aluminium alloy A5052, A7075 150 2,300 1,800 160 1,800 1,400 50-110HB 200 2,000 1,600 210 1,600 1,200 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. B186 3) Recommend to use internal coolant supply to reduce cutting heat and built up edge problem.