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Milling of cast iron, stainless steel and hardened steel is a new choice for cost reduction and efficiency improvement

创建于03.22

CIMT2025 (The 19th China International Machine Tool Exhibition) will be held in Beijing from April 21 to 26, 2025, showcasing global top-tier machine tool products and technological achievements. The cutting tool sector will also present remarkable exhibits and innovations.

The milling efficiency and tool costs for materials like cast iron, stainless steel, and hardened steel have become critical for enterprises to reduce costs and improve efficiency. This feature highlights multiple milling tools that achieve high-efficiency machining and extended tool life for steel materials through innovative coatings, specialized groove designs, and cutting-edge geometries.

1. E/F Series End Mills

​E Series End Mills: Offer excellent anti-vibration performance, suitable for machining materials such as carbon steel, alloy steel, pre-hardened steel, cast iron, and stainless steel below approximately 40HRC.

​F Series End Mills: Utilize a novel AlCrN nano-coating combined with fine-grained alloy substrate, delivering superior toughness and wear resistance. Ideal for machining carbon steel, alloy steel, pre-hardened steel, cast iron, and stainless steel below 50HRC.

2. UHE Series Standard Milling Cutters

The UHE series is designed for high-efficiency machining of carbon steel, pre-hardened steel, and stainless steel below 50HRC.

Unique groove design balances rigidity and chip evacuation.

High-rigidity anti-deformation structure ensures workpiece dimensional accuracy during heavy-duty cutting.

Jinzhou's proprietary ​LH High-Toughness Coating provides enhanced resistance to delamination under high-speed impact conditions.

Available in standard flat-end, corner-radius (round nose), and extended-length variants, making it a cost-effective choice for ultra-high-efficiency machining.

3. HSHFR High-Efficiency Roughing Mills for Hard Materials

The HSHFR series features a specialized bottom-edge geometry for high-feed roughing of hardened steels, significantly boosting cutting efficiency—even for small precision molds. Key features include:

​Approximate R-angle and large bottom arc design: Converts radial cutting forces into axial forces, reducing radial resistance.

​Expanded chip pockets at the bottom edge: Enhances chip evacuation during high-efficiency machining.

​Vibration-damping short-edge relief design: Peripheral edges incorporate relief grooves to minimize tool-workpiece contact area, suppressing vibration.

​AHX coating for hardened steel: A TiSiN-based nano-composite coating with exceptional wear resistance, heat resistance, impact resistance, and defect suppression. Ensures extended tool life when machining high-hardness steels above 50HRC.