Общий каталог Dijet 2018 - страница 543

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) 9 710 53 460 30 355 18 15~25 0.06~0.09 10~15 0.05~0.08 7~12 0.04~0.06 10 640 51 415 29 320 17 15~25 0.06~0.1 10~15 0.05~0.09 7~12 0.04~0.07 11 580 46 375 26 290 15 15~25 0.06~0.1 10~15 0.05~0.09 7~12 0.04~0.07 12 530 47 345 25 265 15 15~25 0.06~0.12 10~15 0.05~0.1 7~12 0.04~0.08 ■ 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 E013