Page 1265 - Master Catalog 2017, Inch

High-Speed Steel ER Rougher
• Achieve outstanding tool life results due to unequal fl ute spacing and eccentric relief reinforcing the cutting edge.
• Benefi t from proprietary chipbreaker pattern for improved chip formation.
• Apply at highest feed rates in full slotting, ramping, and side milling due to proprietary core design.

620E Series
• Highest metal removal rates
and tool life in:
— Titanium
— Stainless steels
• Corner radii.
• Various lengths-of-cut.

Application Example
Roughing a forged landing gear link.
. Gantry-type vertical milling machine.

Workpiece material: Titanium 6Al-4V
Tool: D = 1 1/2"
Cutting data: ap = 3"
ae = 1/4"
vc = 60 SFM
fz = .006 IPT
Result: 20% higher cutting speed and more than
70% higher feed per tooth. 110% higher
tool life compared to previous competitive tool.

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