3M™ Diamond and CBN Wheels and Tools, 685DC TRIZ DIA PLSNG WHL 1A8, 4X3/8X37/47, 10 MIC, 1 ea/Case

3M has developed and integrated an advanced bonding technology into the 3M™ Trizact™ Diamond Polishing Wheel 685DC, representing a significant innovation in tool finishing. This proprietary "Trizact bond" formulation delivers exceptional surface finishing results while preventing unwanted profile changes or damage to cutting edges, all while preserving the polished surface integrity. The wheel represents a hybrid approach, engineered specifically for polishing the flutes of drills and endmills by merging the superior cutting characteristics of resin-bonded diamond wheels with the controlled aggression and flexibility of non-woven abrasive wheels. This unique combination enables productive polishing operations while maintaining sufficient structural integrity to be precisely trued and dressed, allowing the wheel to faithfully track and conform to the intricate geometries of specialized cutting tools.

The 3M™ Trizact™ Diamond Polishing Wheel 685DC features diamond particles uniformly distributed throughout its entire structure. As the wheel undergoes normal wear during polishing operations, the matrix continuously exposes new, uncontaminated diamond particles to the workpiece surface, thereby maintaining optimal cutting sharpness throughout the tool's service life. This engineering approach translates directly into reliable, repeatable performance metrics that enhance manufacturing productivity, minimize defective parts requiring rework, and elevate the overall quality standards of finished components.

Although this polishing wheel can function with handheld portable grinding equipment, it was fundamentally engineered for integration with CNC grinding machines. This design philosophy enables the 685DC to operate seamlessly within existing automated manufacturing environments and production workflows, minimizing integration challenges and setup complexity.

Achieving a mirror-like surface finish on round cutting tools through precision polishing can substantially extend tool longevity and enhance workpiece quality. Superior surface finishes promote optimal thermal management, keeping tools cooler during operation while maintaining their cutting edge sharpness. When the flute surfaces of drills and endmills are polished to fine tolerances, machined chips generated during cutting operations flow more smoothly through the flute channels with significantly reduced friction and associated heat generation. This improved chip evacuation not only contributes to superior surface finishes on the machined workpiece but also measurably extends the overall service life of the cutting tool.

The 3M™ Trizact™ Diamond Polishing Wheel 685DC functions as a core component within the comprehensive 3M™ Cutting Tool Grinding and Polishing System, which comprises a strategically matched collection of specialized equipment and consumable products engineered to deliver rapid, consistent, and fully automated tool grinding and polishing capabilities. The system's modular architecture permits each component—including the 3M™ Truing and Dressing Machine and various 3M™ Superabrasives—to operate independently or work in concert with other components, enabling users to construct a customized, fully integrated grinding and polishing solution that readily adapts to most established production environments. Furthermore, 3M maintains an extensive portfolio of polishing wheel designs and structural configurations specifically optimized for round tool grinding applications. The company's Superabrasive Wheel lineup encompasses multiple construction types suitable for general-purpose grinding operations and specialized CNC machine applications, available in either CBN (Cubic Boron Nitride) or diamond abrasive formulations to meet diverse manufacturing requirements.