1039 Каталог KYOCERA 2017 Инструмент сборный и монолитный для станков Стр.R34

Каталог KYOCERA 2017 Инструмент режущий Стр. R34 1039 Lab2u

Technical Information Basic Formulas Turning Cutting speed Vc= n x Dm x n 1,000 Vc : Cutting speed m/min Dm : Workpiece Dia. mm n : Spindle Revolution min-1 Power Requirement Ks x Vc x apx f Pc = P HP = 6,120 x n Ks x Vcxapxf 4,500 x n Pc : Power Requirement kW Ks Figure kgf/mm2 Low Carbon Steel 190 Php : Power Requirement (Horse Power) HP Medium Carbon Steel 210 Vc : : Cutting speed m/min High Carbon Steel 240 ap : : Depth of Cut mm Low Alloy Steel 190 f: : Feed Rate mm/rev High Alloy Steel 245 Ks : Specific Cutting Force kgf/mm2 Cast Iron Malleable Cast Iron 93 120 n : Mechanical Efficiency (0.7 0.8) Bronze, Brass 70 Theoretical Surface Roughness Rz(h) = f2 8 x R(re) x 1,000 Rz(h): Theoretical Surface Roughness pm f : Feed Rate mm/rev R(re): Corner Radius of Insert mm \ f cc Chip Removal Volume Q=Vc xapxf Q : Chip Removal Volume cm3/min=cc/min Vc : Cutting speed m/min ap : Depth of Cut mm f : Feed Rate mm/rev Edge Position Compensation X=(R-R')x Z=(R-R')x X : X-axis Direction Edge Position Compensation A2. : Z-axis Direction Edge Position Compensation R : Corner-R before Change mm R' : Corner-R after Change mm a : Insert Corner Angle ° P : Toolholder's Cutting Edge Angle ° mm mm Toolholder Type Insert Corner Angle Cutting Edge Angle AX AZ DCLN/PCLN 80° 95° 0.100x(R-R’) 0.100x(R-R’) DTGN/PTGN 60° 91° 0.714x(R-R’) 0.030x(R-R’) DDJN/PDJN 55° 93° 0.866x(R-R’) 0.099x(R-R’) DDHN/PDHN 55° 107.5° 0.531x(R-R’) 0.531x(R-R’) DVLN/PVLN 35° 95° 2.072x(R-R’) 0.273x(R-R’) DVPN/PVPN 35° 117.5° 1.351x(R-R’) 1.351x(R-R’) DSBN/PSBN 90° 75° 0.225x(R-R’) -0.293x(R-R’) Example: Compensation when changing corner-R from 0.8 to 0.4, using PCLN type toolholder, AX=0.100x(0.8-0.4) = 0.04(mm) AZ=0.100x(0.8-0.4) = 0.04(mm) R34