Light-Cutting Geometries for Radius Inserts Extend Application Range
New geometry inserts are introduced for the CoroMill 311 from Sandvik Coromant. The latest additions will benefit the automotive, aerospace, and oil and gas sectors.
Posted: January 29, 2020
CoroMill 331 application picture with brake caliper. Half side cutter with radius inserts. Grade GC1020 and -M30 geometry
Two light-cutting, periphery-ground geometries for radius inserts for Sandvik Coromant’s (Schaumburg, IL) CoroMill 331 expand the milling cutter’s list of suitable applications to the automotive and aerospace sectors:
- -M30 geometry optimizes groove milling of steel and cast iron automotive parts. Available for size 11 inserts with radius dimensions from 0.059 in to 0.118 in (1.5 mm to 3 mm), it’s characterized by its light-cutting action. This tough geometry boosts security in weak setups or long overhang applications, providing reliability and increased competitiveness. Grade availability includes GC1130, GC1020, GC3040, and GC4330 steel milling grade.
- -L50 geometry is intended for aerospace and oil-and-gas component machining. Offered for size 11 inserts with radius dimensions from 0.118 in to 0.248 in (3 mm to 6.3 mm), the geometry’s light-cutting action is suitable for stainless steel, nickel-based super alloys, and titanium. Grade options are GC1040, GC2040, and S30T.
In addition, size 8, 11, and 14 inserts with a 0.157-in (4-mm) radius are being made available in -WM geometry. Intended to improve automotive parts milling, grade options include GC1130, GC1020, GC3040, and GC4330.
Sandvik Coromant, 17-02 Nevins Road, Fair Lawn, NJ 07410, 201-794-5000, www.sandvik.coromant.com.
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