Общий каталог Dijet 2018 - страница 24

Modular Head Series Tooling by DIJET Tuff Modular Head System Performance comparison test MSN carbide shank VS Steel shank ■ CUTTINGCONDITIONS ● Tool: Steelshank: SKS-2020-130-S20 ● Depthofcut: ap=0.3mm Carbide shank MSN-M10-140-S20C + MSH-2020-M10 ● Pickfeed: ae=12mm ● InsertNo.: WDMW050316ZTR (JC5040) ● Coolant: Air blow ● Workmaterial: S55C ● Machine: Vertical MC ● Hardness: 201HB ● Overhunglength: 190mm ● Downcutting Lowspeed Highspeed Cuttingspeed Vc= 80m/min Vc= 150m/min Spindlespeed n= 1,270min-1 n= 2,390min-1 Feedspeed Vf= 2,000mm/min Vf= 4,800mm/min Feedperrevolution f= 1.6mm/rev f= 2.0mm/rev ■ CUTTINGREGION’SCOMPARISON feedrate mm/t 1.2 ▲ ● ● Steelshankbody : SKS-2020-130-S20S20 (○,△,×) 1.0 △ △ ● △ × ● ● ● 0.8 △ △ ● △ △ ● × ● ▲ Carbideshankbody : MSN-M10-140-S20C+MSH-2020-M10(●,▲,×) 0.6 △ △ ● △ △ ● × × × ○,● : No chatter △,▲ : Small chatter × : Bigchatter 60 80 100 120 150 180 Cutting Speed (m/min) Improved efficiency by 3 times! ■ VIBRATIONS COMPARISON Low cutting speed (Vc=80m/min) High cutting speed (Vc=150m/min) Steelshank Steelshank Y:975N Actualstep: 0.300–0.320mm Y:1075N Actualstep: 0.302–0.327mm X:720N X:575N Z:500N Carbideshank Carbideshank Actualstep: 0.300–0.305mmY:725N Y:800N Actualstep: 0.300–0.305mm X:410N X:430N Z:420N Z:470N ■ TOOL LIFE COMPARISON ■ CONDITION OF THE INSERTS AFTER ABOVE TESTS 〈No.1〉 〈No.2〉 Observation:VBMAX>0.2mm Steel shank body Steelshankbody 25 Chipping JC5040After 25m (5.2 min) 21 times better Carbideshankbody 525 Carbide shank body JC 5040 After 525m (109min) 100 200 300 400 500 600 Q=1890cc/corner Cutting length (m) VBMAX=0.202mm ■OBSERVATIONS • Tool life was highly improved with MSN carbide shank.• No chatter in low speed and high speed conditions. B008