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Radiac Vitrified Bond Aluminum Oxide Centerless Wheel

for centerless grinding

Vitrified bond aluminum oxide centerless wheels engineered for stable, high-precision grinding in through-feed, end-feed, and in-feed (plunge) centerless applications.

HSS
HSS
Steel
Steel
Stainless steel
Stainless steel
Titanium/titanium alloys
Titanium/titanium alloys
Tungsten carbide
Tungsten carbide
Versatile Across Centerless Processes Optimized to perform reliably in through-feed, end-feed, and plunge grinding without sacrificing stability or finish.
Excellent Size Control and Roundness Vitrified bond stiffness and controlled wear support consistent diameters, roundness, surface finish, and repeatability across long runs.
Predictable Dressing and Process Stability Responds consistently to dressing, allowing operators to maintain wheel condition and reduce scrap caused by drift or wheel loading.
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Variants

· 40 Type numbers

Specification

Description

Vitrified bond aluminum oxide centerless grinding wheels are the workhorse solution for high-volume, high-accuracy centerless grinding of ferrous materials. Designed to perform across through-feed, end-feed, and in-feed (plunge) processes, these wheels deliver the combination of cutting efficiency, form stability, and predictable wear required to maintain tight tolerances over long production runs. Aluminum oxide abrasives offer excellent versatility for carbon steels, alloy steels, and many hardened components, while the vitrified bond provides the rigidity and controlled porosity needed for consistent grinding forces and reliable thermal behavior. This engineered structure supports efficient coolant delivery and chip clearance, helping reduce burn risk and improving surface finish. Whether the goal is continuous production throughput, precise plunge profiles, or stable end-feed control, vitrified aluminum oxide centerless wheels provide dependable performance, repeatable results, and low total grinding cost.

Technical Data

Abrasive grain
Conventional (A+C)
Materials
HSS, Steel, Stainless steel, Titanium/titanium alloys, Tungsten carbide

Features

  • Aluminum Oxide Abrasive Grain for Ferrous Materials—Aluminum oxide provides strong, reliable cutting performance on steels and ferrous alloys. Its balanced fracture behavior supports a steady cut rate while maintaining surface quality in continuous production grinding.
  • Rigid Vitrified Bond for Form Retention—The vitrified bond system offers the stiffness required for centerless grinding, particularly in in-feed and end-feed applications where wheel form directly influences part geometry and profile accuracy.
  • Engineered Porosity for Cool Cutting—Controlled porosity promotes coolant penetration and chip evacuation, improving thermal control and helping prevent burning, glazing, or unstable grinding forces—especially in high-duty cycles.
  • Consistent Dressing Response—Designed for predictable dressing behavior, enabling precise control of wheel sharpness and surface condition. This improves repeatability and makes it easier to maintain tolerances across shifts and production lots.
  • Optimized Wear for Long Production Runs—Wheel specifications can be tuned for the desired balance of cut rate and life, helping reduce wheel changeovers, minimize downtime, and improve overall cost per part.

Application

Application

  • 1

    Through-feed grinding of shafts, pins, and dowels in carbon steel or alloy steel for high-volume production.

  • 2

    In-feed (plunge) grinding of stepped components such as transmission parts, bearing journals, and precision spacers.

  • 3

    End-feed grinding of short cylindrical parts like bushings, rollers, and sleeves requiring controlled length and geometry.

Recommendations

  • Match grain type, grade, and structure to the process—in-feed typically requires stronger form holding, while through-feed often benefits from a freer-cutting structure.
  • Maintain consistent dressing intervals and parameters to stabilize size control, roundness, and surface finish.
  • Ensure proper coolant delivery directly into the grinding zone to take full advantage of vitrified porosity and reduce thermal risk.
  • Monitor wheel condition and grinding forces to prevent glazing and maintain consistent performance as part materials or stock conditions change.
  • Coordinate wheel selection with regulating wheel and setup variables (workrest height, blade condition, and feed rates) to maximize process stability.