Technology

Hot Forging Mold
YXR3 / 60 HRC
SSPBL220 / CBN Long Neck Ball End Mill

Work size : 50x50x18.2mm

Material : YXR3 60HRC
Cutting time: 4hr (only finishing)

Realized high quality surface by adopting spiral ball shape which improves sharpness of cutting edge and by strong back-taper shape to reduce chattering.

Tool

SSPBL220
R1×14


•Added longer effective length type to SSPB220 series.
•Realized deeper milling by adoption of spiral ball shape and strong back taper shape to improve both sharpness and the chipping resistance of cutting edges.

Cutting Condition

Cutting process Finishing
Tool SSPBL220
R1×14
Spindle Speed
(min-1)		 6,000
Feed
（mm/min）		 500
Depth of cut
ap×ae(mm) 		0.03×0.03
Stock
(mm) 		0.01
Coolant Oil mist
Cutting Time 4hr

Comment

Roughness on top surface is Rz1.36μm and on side surface is Rz1.20μm.
Diameter recession amount after finishing is only 2μm.