CBN Insert for Precision Cutting
When it comes to achieving superior surface finishes and holding tight tolerances in demanding machining applications, standard tooling often falls short. The answer lies in advanced superabrasive materials specifically engineered for precision. Our High-precision CBN Insert is designed for exactly this purpose, offering exceptional dimensional stability and edge consistency for ultra-fine finishing operations. The core of its performance is the High-hardness CBN Insert structure, which provides the fundamental resistance against abrasive wear, maintaining a sharp cutting edge far longer than conventional carbide. This is further enhanced by a specialized High-temperature Resistant CBN Insert formulation, ensuring the binder matrix retains its integrity and the CBN grains remain securely anchored even under the intense thermal loads generated during high-speed cutting of hardened steels and cast irons. For interrupted cuts or unstable machining conditions, opting for our Impact-resistant CBN Insert grade provides the necessary toughness to withstand mechanical shocks without chipping or premature failure, making it a versatile choice for a wider range of precision cutting tasks.
The CBN Insert for Precision Cutting represents the culmination of advanced material science and precision engineering. It is manufactured to exacting geometric standards, ensuring each insert delivers predictable and repeatable performance. The substrate is meticulously prepared to provide a stable foundation, while the CBN layer is uniformly applied and finished with ultra-precision grinding techniques. This results in inserts with minimal runout and near-perfect edge preparation, which are critical factors for minimizing vibration, improving surface finish quality, and extending tool life. The design also incorporates optimized chipbreaker geometries that effectively control swarf, preventing chip recutting and protecting the workpiece surface. Available in a comprehensive range of standard and custom shapes, sizes, and corner radii, the CBN Insert for Precision Cutting can be seamlessly integrated into your existing toolholding systems to maximize productivity and part quality.
Product Specifications: CBN Insert for Precision Cutting
- Material: Cubic Boron Nitride (CBN) with proprietary ceramic/metallic binder
- Primary Application: Finishing & precision machining of hardened ferrous alloys (>45 HRC), gray & ductile cast irons
- Key Feature: Engineered for ultimate dimensional accuracy and surface finish quality
| Parameter | Specification / Description | Benefit |
|---|---|---|
| CBN Content & Grain Size | High density of fine to medium CBN grains (approx. 2-10 microns) | Provides a perfect balance of keen cutting edge sharpness and wear resistance for fine finishes. |
| Substrate Material | Premium Tungsten Carbide | Offers excellent support and thermal conductivity, reducing thermal stress on the CBN layer. |
| Hardness (HV) | ≥ 4000 HV | Exceptional resistance to abrasive wear, maintaining edge geometry over extended periods. |
| Thermal Stability | Stable up to 1200°C (2192°F) in inert atmosphere | Retains hardness and cutting performance at high operating temperatures. |
| Edge Preparation | Precision honed / chamfered (T-land/K-land) with controlled radius | Enhances edge strength, reduces micro-chipping, and improves surface finish. |
| Geometric Tolerance | ISO Standard S / Precision Grade: ±0.002" on critical dimensions | Ensures consistent performance, predictable tool life, and interchangeability. |
| Coating (Optional) | Specialized PVD TiAlN or similar | Further reduces friction and built-up edge, especially in sticky materials. |
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