12А2-20 dish grinding wheels 150x10x2x18x32 P B2-01 100% ACH M 16

$31.36
In stock
SKU
7426952028042
5-0014 150x10x2x18x32 P B2-01 100% ACH M 16

The 12A2-20 dish grinding wheel is a high-precision superabrasive tool designed for surface grinding, tool sharpening, and relief grinding. With a dish-shaped profile and a 20° angle, this wheel is specifically optimized for high-accuracy tool grinding, precision sharpening of cutting tools, and fine finishing of hard materials.

Constructed with diamond or cubic boron nitride (CBN) abrasives, the 12A2-20 wheel ensures exceptional cutting efficiency, extended tool life, and superior heat dissipation, making it ideal for use on CNC tool grinders, manual tool grinding machines, and high-precision machining centers.


Key Features & Benefits

  • Dish-Shaped Profile with a 20° Angle for Precision Grinding

    • The shallow dish angle enables precise grinding of clearance angles and fine surface finishing.
    • Enhanced wheel stability reduces vibration, ensuring superior accuracy and repeatable results.
  • Optimized for Tool & Cutter Sharpening

    • Designed for resharpening carbide and HSS tools, including end mills, drills, and inserts.
    • Maintains sharp cutting edges, increasing tool performance and longevity.
  • High Abrasive Efficiency & Edge Retention

    • Available in diamond and CBN variants, providing superior wear resistance and self-sharpening properties.
    • Extended grinding performance reduces downtime and improves machining consistency.
  • Minimal Heat Generation & Improved Surface Finish

    • Advanced bond formulations enhance coolant penetration, reducing thermal damage, burns, and microcracks in the workpiece.
    • Achieves ultra-smooth surface finishes for high-precision machining applications.
  • Long Tool Life & Cost Efficiency

    • Highly durable bond structures extend tool lifespan, lowering replacement costs.
    • Supports high-speed grinding while maintaining precise control over material removal.

Material Compatibility

The 12A2-20 dish grinding wheel is engineered for high-precision machining of ultra-hard materials, ensuring optimal cutting performance in industrial tooling, aerospace, and high-tech engineering applications.

Diamond Bond (for Non-Ferrous & Hard Non-Metallic Materials)

  • Tungsten carbide tools and wear-resistant components
  • Ceramics (Alumina, Zirconia, Silicon Carbide, etc.)
  • Glass and optical components
  • Composites and carbon fiber-reinforced materials
  • Semiconductor substrates (silicon wafers, quartz, sapphire, etc.)

CBN Bond (for Ferrous Materials & Hardened Steels)

  • High-speed steel (HSS) and tool steels
  • Powder metallurgy components
  • Superalloys (Inconel, titanium alloys, cobalt-based alloys, hardened stainless steel)
  • Hardened cast iron and high-carbon steels

Applications

  • Tool & Cutter Grinding

    • Used in CNC and manual tool grinders for sharpening drills, end mills, reamers, and carbide inserts.
    • Ensures sharp, precise relief angles, improving cutting tool efficiency and lifespan.
  • Surface Grinding & Profile Grinding

    • Ideal for grinding flat surfaces and profiles in mold, die, and high-precision machining applications.
    • Delivers smooth, chip-free finishes on hard materials.
  • Automotive & Aerospace Component Grinding

    • Used for precision grinding of hardened steels and superalloy components such as engine parts, gears, and turbine blades.
    • Ensures tight tolerances and high dimensional accuracy.
  • Glass, Optical & Semiconductor Processing

    • Provides fine, mirror-like finishes in optical lenses and semiconductor wafer grinding.

Available Bond Types & Their Applications

  • Resin Bond

    • Best for precision grinding, tool sharpening, and finishing operations.
    • Provides self-sharpening properties, reducing grinding forces and improving efficiency.
  • Metal Bond

    • Highly durable and wear-resistant, ideal for profile retention and high-stock removal applications.
    • Used for grinding carbide, ceramics, and glass in demanding environments.
  • Vitrified Bond

    • Offers high porosity for better coolant flow, improving heat dissipation and preventing workpiece burns.
    • Ideal for cylindrical and surface grinding of hardened steels and superalloys.
  • Electroplated Bond

    • Provides sharp cutting action and aggressive material removal, making it suitable for high-speed precision grinding and intricate profile shaping.

Recommended Operating Parameters

  • Grinding Speed – Typically 20–35 m/s, depending on bond type and workpiece material.
  • Coolant Use – Strongly recommended (oil-based for carbide tool grinding, water-based for glass and ceramics) to extend tool life and enhance grinding performance.
  • Feed Rate – Adjusted for high-precision, low-damage material removal.
  • Dressing RequirementsMinimal dressing needed, thanks to the self-sharpening properties of superabrasive grains.

Conclusion

The 12A2-20 dish grinding wheel is a high-performance, precision grinding tool optimized for tool sharpening, surface finishing, and profile grinding applications. Its dish-shaped profile with a 20° angle ensures superior control, accuracy, and stability, making it an essential tool in CNC tool grinding, aerospace, automotive, and high-tech industries.

With exceptional cutting performance, extended tool life, and high-quality surface finishes, the 12A2-20 grinding wheel is a top choice for professionals seeking efficiency, durability, and precision in their grinding operations.

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