Page 32 - Cobra-Carbide-2020-Catalog

TAPER

Speeds & Feeds

TECHNICAL DATA ENDMILLS

MICRO GRAIN SOLID CARBIDE
SPEEDS & FEEDS - GENERAL ENDMILLS

TAPER ENDMILLS - SQUARE & BALL
Material Group Material Type Cutting Speed (Vc) m/min
Steel Structural Steel 50-70
Free Cutting Steel 50-70
Unalloyed Heat Treatable Steel 40-60
Unalloyed Case Hardened Steel 40-50

Alloyed Case Hardened Steel 30-40
Nitriding Steel 30-45
Acid Resistant / Stainless Steel, Sulphured 20-30
Stainless Steel Austenitic Steel, Martensitic
High Tensile Steel Low Carbon Steel 80-100
Medium Carbon Steel 75-90
Alloyed Heat Treatable Steel 50-70
Tool Steel 20-35
High Speed Steel 30-40
ENDMILL Cast Materials Spheroidal Graphite & Malleable CI 90-100
Spring Steel
Cast Iron
60-80

50-75
Aluminium
Aluminium & Chilled CI 150-180
Aluminium Alloys Al Wrought Alloys 120-120
Al Cast Alloys < 10%Si 150-180
Al Cast Alloys > 10%Si 100-130
Special Alloys Special Alloys
Ti Alloys 20-30
Non ferrous Metals Copper Low Alloyed 100-120
Brass 100-120
Bronze 130-150
Plastics Duro Plastics
Thermoplastics
Magnesium Alloys Mg Alloys 120-140

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