Technology

Reflector Model
ELMAX / 60HRC
SFB200 / CBN Super Finish Ball End Mill

Work size: 20×20(mm)

Material: ELMAX 60HRC
Cutting time: 19 hr 10 min

Sharpened edge at R-center improves shearing ability!
Save significant time at finishing process.

Tool


SFB200


•Sharpened edge at R-center improves shearing ability.
•Continuous 10 hours machining on hardened steel of 60HRC.
•Long-lasting high surface accuracy Rz1.0um.
•Save significant time at polishing process.

For product details For size variation

SSBL200


•Lineup of CBN tool with long neck applicable to deep milling, available 25 sizes in total.
•Enables milling more deeply by long effective length up 10mm comparing with conventional CBN tools.
•Enables wider application for milling by long neck in addition to long life and accurate finishing.
•Standardized in R0.05 at smallest.
•Unique flute design with R-accuracy ±0.003 prevents chipping!

For product details For size variation

MSBH230


•Standard ball end mill for hardened steels and suitable for finishing process.
•Applicable for hardened steels up to 68HRC.

For product details For size variation

Cutting Conditions

Cutting process Roughing Semi-finishing Finishing
Tool MSBH230
R0.2
SSBL200
R0.2×1.2
SFB200
R0.2×1
Spindle speed
(min-1)
40,000
Feed
(mm/min)
800 700 400
Depth of cut
ap×ae(mm)
0.015×0.05 0.005×0.01 0.004×0.002
Cutting length
(m)
119 61 268
Coolant Oil mist
Cutting time 3 hr 23 min 2 hr 10 min 13 hr 37 min

Comment

CBN-utilized design realized more than 10 hours of continuous finishing process to high hard material as 60HRC.
Surface roughness was Rz 79.6 nm and Ra 13.1 nm.