Общий каталог Dijet 2018 - страница 24

Tooling by DIJET Modular Head Series 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 △ △ ● △ × ● ● ● Carbideshankbody : MSN-M10-140-S20C+MSH-2020-M10(●,▲,×) 0.8 △ △ ● △ △ ● × ● ▲ ○,● : No chatter △,▲ : Small chatter × : Bigchatter 0.6 △ △ ● △ △ ● × × × 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: 0.300–0.305mm Y:800N Actualstep: 0.300–0.305mm Y:725N 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 Steel JC5040 shankbody 25 Chipping After 25m (5.2 min) 21 tim es be tter Carbide shankbody 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