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Type 7 (Double Recessed Side) Grinding Wheels

Country/Region china
Company afisco company
Categories Resin Bonded Diamond Grinding Wheels
Telephone (817) 640-7901
ICP License Issued by the Chinese Ministry
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Type 7 (Double Recessed Side) Grinding Wheels

Type 7 wheels have a recess on both sides. The recesses are measured by the diameter x depth of the recess
Abrasive Grain Types
  • A - Dark Aluminum Oxide
    • The most common of all grains. This grain is used for heaby-duty general purpose applications
  • 94A - Semi-Friable Aluminum Oxide
    • Used mainly in cylindrical and centerless grinding wheels. This grain can be used to grind steels in either soft or hard state
  • AS3 - Ceramic Aluminum Oxide
    • 20% Ceramic Aluminum Oxide, 30% Pink Grain, and 50% White Grain creates a wheel with maximum grinding performance and life. Excellent for form and corner holding and down feed of .0005-.002 per pass
  • 32A - Mono-Crystalline Aluminum Oxide
    • Ideal for medium to heavy stock removal; outstanding form holding and free cutting grain. Provides maximum versatility
  • AZ - Blue Aluminum Oxide
    • Excellent at grinding HSS over 55 RC. Grinds with an exceptionally cool, fast cutting action and requires minimal dressing
  • RA - Red Aluminum Oxide (Ruby)
    • This grain is harder and sharper than PA and AZ. Good for steels with a high level of chromium
  • PA - Pink Aluminum Oxide
    • Good general purpose grain that is tough, but friable. Excellent for tool room sharpening applications
  • 83A/WA - White Aluminum Oxide
    • Highly friable grain for fast, cool cutting. Good for light grinding of all kinds of steels, particularly on tool and dies steels
  • 91A - White and Regular Aluminum Oxide
    • Combination of dark and white aluminum oxide for general purpose work and light stock removal
  • GC - Green Silicon Carbide
    • More friable than 72C; for carbide grinding applications
  • 72C - Black Silicon Carbide
    • Sharper than aluminum oxide and therefore more effective grinding low tensile materials and non-ferrous metals
Hardness
  • Refers to how rigid the bond holding the abrasive grain together is. This is rated on a scale that follows the alphabet - the further along in the alphabet you go, the harder the wheel. Harder wheels have a slower cut rate, but longer life; while softer wheels have a higher cut rate, but shorter work life.
  • A wheel that is too hard for the application will not be able to break down efficiently and load up quickly. If the wheel is too soft for the application it will break down too quickly and not last very long.
Don't see the wheel you're looking for? Just tell us what you need and we will get you a custom quote! You can reach us at sales@afisco.com or 817-640-7901
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