Общий каталог Dijet 2018 - страница 542

Tooling by DIJET Sigma Drill Hard DZ-DHSTYPE ■ RECOMMENDED CUTTING CONDITIONS Work SKT, SKD61 SKD11, SKH SKD11, SKH Materials (48~56HRC) (57~62HRC) (63~70HRC) Spindle speed Feed speed Spindle speed Feed speed Spindle speed Feed speed Drill dia. n (min-1) Vf (mm/min) n (min-1) Vf (mm/min) n (min-1) Vf (mm/min) (mm) Cutting speed Feed rate Cutting speed Feed rate Cutting speed Feed rate Vc (m/min) f (mm/rev) Vc (m/min) f (mm/rev) Vc (m/min) f (mm/rev) 2,860 115 2,070 83 1,270 38 2 15~20 0.03~0.05 10~15 0.03~0.05 5~10 0.02~0.04 2,550 102 1,660 66 1,270 38 2.5 15~25 0.03~0.05 10~15 0.03~0.05 7~12 0.02~0.04 2,100 84 1,380 55 1,060 31 3 15~25 0.03~0.05 10~15 0.03~0.05 7~12 0.02~0.04 1,590 63 1,035 41 795 23 4 15~25 0.03~0.05 10~15 0.03~0.05 7~12 0.02~0.04 1,270 62 830 41 635 25 5 15~25 0.04~0.06 10~15 0.04~0.06 7~12 0.03~0.05 1,060 74 690 41 530 26 6 15~25 0.06~0.08 10~15 0.05~0.07 7~12 0.04~0.06 910 63 590 35 455 22 7 15~25 0.06~0.08 10~15 0.05~0.07 7~12 0.04~0.06 795 60 520 34 400 20 8 15~25 0.06~0.09 10~15 0.05~0.08 7~12 0.04~0.06 ■ NOTE 1) Use water soluble coolant. 2) Not recommended todrilling for general steel. 3) Recommend to use under the conditions of high accurate and rigid machine and rigid work. 4) The cutting parameters is for drilling depth 3 x Dc. Incase of drilling dept hover 3 x Dc, step feed is recommended. 5) To prevent breakage of drill, not recommend to making through hole. Please se tplanking. 6) Recommend to making center hole. 1~1.5 mm Center hole E012