Technology

Mouse Cavity Model
STAVAX / 52HRC
MSBH230 and MRBH230 / Ball End Mill and Long Neck Ball End Mill for Hardened Steels

Work size: 135×95(mm)

Material: STAVAX 52HRC
Cutting time: 13 hr 17 min (except roughing)

MSBH230/MRBH230, small diameter end mills, obtained a stable cutting surface even if processing to high hardness materials for a long time, at slotting also.

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!

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 Parting face part finishing 1st Main part finishing 2nd Main part finishing Slot finishing
Tool MSBH230
R3
MRBH230
R1×6
MRBH230
R0.5×6
MRBH230
R0.3×4
Spindle speed
(min-1)
12,000 18,000 18,000 18,000
Feed
(mm/min)
1,120 720 720 300
Depth of cut
Rmax(mm)
pf 0.12 pf 0.05 pf 0.02 ap0.01
Stock
(mm)
0.05 0.03 0.025 0.015
Coolant Oil mist
Cutting time 2 hr 20 min 6 hr 4 min 2 hr 43 min 2 hr 10 min

pf: pick feed.

Comment

* Parting line part finishing
Surface roughness: Rz 0.909 μm
Wear of MSBH230 R3: 0.008 mm.

* 1st Main part finishing
Surface roughness: Rz 1.492 μm
Wear of MRBH230 R1 × 6: 0.008 mm.

* 2nd Main part finishing
Surface roughness: Rz 0.607μm
Wear of MRBH230 R0.5 × 6: 0.01 mm.

* Slot finishing
Incline 1° and depth 4 mm.
Wear of MRBH230 R0.3 × 4: 0.008 mm.
Realized stable milling at small diameter rib slotting of L/D=6.6