BIG DAISHOWA BIG-PLUS Dual Contact

Application Examples BIG-PLUS and Standard Tool Holder Comparison Tool Holder: Hi-Power Milling Chuck Workpiece Material: 4140 Steel

STANDARD CAT40

CV40-HMC.750-3.5 End Mill Diameter: ø.472" (12mm) 4-flute Cutting Depth: .157” (4mm) Cutting Speed: 321.5 SFM (98m/min)

Axial Depth (ap): .157" (4mm) Spindle PRM (n): 2600min -1 Feedrate (f): 20.54in/min (520mm/min) MRR (a e x a p x f): 1.523in Roughness (Ra): 198.0μin (5.030μm)

3 /min (24960mm 3 /min)

Cutting Feed: .002"/t (.05mm/t) Radial Width (a e ): .472" (12mm)

BIG-PLUS CAT40

BCV40-HMC.750S-3.5 End Mill Diameter: ø.472" (12mm) 4-flute Cutting Depth: .157" (4mm) Cutting Speed: 321.5 SFM (98m/min)

Axial Depth (ap): .157" (4mm) Spindle PRM (n): 2600min -1 Feedrate (f): 20.54in/min (520mm/min) MRR (a e x a p x f): 1.523in Roughness (Ra): 35.9μin (.913μm)

3 /min (24960mm 3 /min)

Cutting Feed: .002"/t (.05mm/t) Radial Width (a e ): .472" (12mm)

BIG-PLUS CAT40

BCV40-HMC.750S-3.5 End Mill Diameter: ø.472" (12mm) 4-flute Cutting Depth: .236" (6mm) Cutting Speed: 321.5 SFM (98m/min)

Axial Depth (ap): .236" (6mm) Spindle PRM (n): 2600min -1 Feedrate (f): 30.7in/min (780mm/min) MRR (a e x a p x f): 3.427in Roughness (Ra): 41.0μin (1.042μm)

3 /min (56160mm 3 /min)

Cutting Feed: .003"/t (.075mm/t) Radial Width (a e ): .472" (12mm)