Technology
Die-cut & Punch Model
HAP40 / 65HRC
MRBH230 / Long Neck Ball End Mill
Work size 30x20(mm)(cutting depth: 8mm)
Material : HAP40 65HRC
Cutting time: 9hr 42min.
MUGEN-COATING PREMIUM for hardened steels and unique radius design realize rigidity and shearing ability on high hard metal cutting.
Improve accuracy and surface roughness on side wall by original back-taper design for peripheral flute.
Tool
MRBH230
•MUGEN-COATING PREMIUM for hardened steels and unique new design excel in chipping prevention and resolves chattering to realize excellent finished surface.
•Applicable for hardened steels up to 68HRC.
•Total 190 sizes!
Cutting Condition
| Cutting process | Cutting die part | Punch die part | ||||||
| Roughing | Side finishing | Bottom surface finishing | Roughing | Side finishing | Bottom surface finishing | Radius Finishing | ||
| Tool | MRBH230 R1×4 | MRBH230 R1x8 | ||||||
| Spindle speed (min-1) |
20,000 | 20,000 | 20,000 | 12,000 | 12,000 | 12,000 | 12,000 | |
| Feed （mm/min） |
2,000 | 1,200 | 1,200 | 900 | 550 | 550 | 550 | |
| Depth of cut ap×ae(mm) |
0.15×0.3 | 0.02×0.03 | 0.01x0.02 | 0.1×0.02 | 0.02x0.03 | 0.01x0.02 | 0.01x0.2 | |
| Coolant | Oil mist | |||||||
| Cutting time | 45min | 2hr45min | 47min | 5hr25min | ||||
Comment
Realized high quality surface roughness on cutting die face Rz0.744μm, punch die face Rz0.712μm and punch die side Rz0.699μm even after long time direct cutting for HAP40 65HRC.