SDF-T Series Solid Carbide Lollipop End Mill

1. Design Features

The SDF-T Series solid carbide lollipop end mill is manufactured from high-strength hardmetal, ensuring high rigidity, stability, and long tool life. Specific design features include:

• High-Strength Hardmetal Body: Made from premium-grade hardmetal (such as WC-Co), it offers extremely high hardness and wear resistance, maintaining superior cutting performance under high temperatures and heavy loads.
• Special Geometric Shape Design: Combines cylindrical and spherical or hemispherical head features, increasing the contact area at the cutting edge, enhancing machining stability and parallelism. This design is particularly suitable for efficient machining of complex surfaces and 3D contours.
• Open Helix Flute Design: Optimized helix angle and flute width improve chip evacuation efficiency, reduce chip accumulation, and ensure a stable cutting process. The improved helix flute shape enhances coolant flow, lowering cutting temperatures and extending tool life.
• Reinforced Core Structure: The core of the tool undergoes heat treatment and reinforcement, enabling it to handle higher material removal rates (MRR) while maintaining excellent rigidity and vibration resistance, suitable for both roughing and precision finishing.

2. Coating Technology

The SDF-T Series lollipop end mill is equipped with an ALCRONA coating optimized for steel machining, significantly enhancing the tool’s wear resistance and impact strength.

• ALCRONA-Beschichtung: Applied using advanced physical vapor deposition (PVD) technology, forming a uniform, strongly adhered superhard coating. It has extremely high hardness and heat resistance.
• High-Temperature Stability: The ALCRONA coating can maintain its performance at temperatures up to 800°C, preventing peeling and wear, thus extending tool life.
• Low Friction Coefficient: The smooth surface of the coating reduces friction during cutting, minimizes heat buildup, improves machining efficiency and quality. Additionally, it effectively reduces adhesion between the workpiece material and the tool, further enhancing machining accuracy.

3. Milling Methods and Functional Characteristics

The SDF-T Series lollipop end mill features multiple functional advantages, suitable for various milling methods:

• Efficient Chip Evacuation: An optimized helix flute design improves chip evacuation efficiency, reducing chip accumulation and ensuring a stable cutting process.
• Superior Cooling Performance: Improved helix flute and chip gash designs promote better coolant flow, lowering cutting temperatures and extending tool life.
• High-Precision Machining: The special radius design allows the tool to maintain high precision when machining complex surfaces, ensuring smooth and accurate workpiece surfaces.
• Versatile Applications: Capable of both roughing and finishing operations, this end mill can be flexibly applied to various materials, meeting diverse production requirements.
• Deburring Functionality: Unique cutting edge and radius transition zones enable automatic deburring during machining, reducing post-processing time and costs, ensuring a clean, burr-free finish.

Suitable for multiple milling methods:

• Surface Milling: Ideal for machining complex surfaces and 3D models, such as molds and turbine blades.
• Contour Milling: Used for machining intricate 2D and 3D contours, ensuring high precision and surface quality.
• Side and Ramp Milling: Efficiently performs side and ramp milling on complex shapes.
• Deburring Processing: Unique cutting edge design enables effective removal of burrs from edges and corners, reducing post-processing steps.

4. Application Areas

Leveraging its broad applicability and outstanding performance, the SDF-T Series lollipop end mill finds extensive use in multiple industries:

• General Mechanical Machining: Suitable for various machine tools, providing efficient material removal and fine surface finishes.
• Formenbau: Capable of precision-machining complex shapes and contours, ensuring high accuracy and long-lasting molds.
• Automobilherstellung: Used for critical parts such as engine blocks and transmission housings, ensuring geometric precision and surface finish.
• Luft- und Raumfahrt: Suitable for machining key components in aerospace applications, such as turbine blades, wing structures, and engine components, meeting stringent component requirements.
• Power Industry: Appropriate for machining precision components in power equipment, guaranteeing high accuracy and surface quality.