Description
Product Information
Our CBN (Cubic Boron Nitride) and CBN-K Series Cutting Tools are premium superhard machining solutions engineered for high-precision, high-efficiency processing of hard-to-cut materials, widely recognized in aerospace, automotive, mold, and energy equipment industries superscript. Crafted from high-quality polycrystalline cubic boron nitride (PCBN) with advanced metal/ceramic binders, these tools deliver exceptional hardness (HV 3000–5000) and heat resistance (up to 1200–1500℃), maintaining stable cutting performance even at extreme temperatures superscript. Compared to traditional carbide tools, they offer 30–50 times longer tool life and 5–10 times higher cutting speeds, significantly reducing tool change frequency and production costs superscript.
The CBN series is specifically designed for machining hardened steels (HRC 45–67), powder metallurgy parts, tungsten carbide hard alloys, and high-temperature superalloys superscript:1superscript. Its fine-grain PCBN structure (1–4μm) and optimized edge design ensure excellent wear resistance and fracture toughness, suitable for both continuous and interrupted cutting operations superscript. It achieves superior surface finish (Ra ≤ 0.2μm) and machining accuracy (IT8–IT10 class), eliminating the need for subsequent grinding processes superscript.
The CBN-K series is tailored for cast iron machining, including common gray cast iron (around HB200) and high-hardness cast iron (HRC 45–64) superscript. With a specialized titanium-based binder system, it balances wear resistance and impact resistance, excelling in high-speed machining of cast iron components such as brake discs, cylinder blocks, and pump bodies superscript:3superscript. Both series support dry cutting, reducing coolant consumption and environmental impact while complying with modern industrial sustainability requirements superscript.
Specifications:
Main technical parameters:
| Tool Material | Application Scope | Recommended Cutting Parameters | ||
|---|---|---|---|---|
| Cutting Speed (m/min) | Feed Rate (mm/rev) | Depth of Cut (mm) | ||
| CBN | Various hardened steels: HRC45–67 | 200–1500 | 0.05–0.12 | 0.1–1.0 |
| Powder metallurgy parts | 70–250 | 0.025–0.2 | 0.05–0.2 | |
| Tungsten carbide hard alloy | 20–40 | 0.1–0.25 | 0.1–0.5 | |
| Other parts (e.g., hard alloys with Co%wt > 15% and HRA=80–88) | 5–40 | 0.05–0.2 | 0.3 | |
| CBN-K | Common gray cast iron: around HB200 | 400–1500 | 0.1–0.8 | 0.5–2.0 |
| High-hardness cast iron: HRC45–64 | 40–100 | 0.1–0.6 | 0.1–2.0 |
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