Choosing the right carbide cutter geometry is crucial to improving machining quality, extending tool life and optimizing machining efficiency. Different geometry is suitable for different machining tasks and materials, the following is a simplified tool selection guide:

1. Milling cutter blade number selection

- 2-edge milling cutter: suitable for soft materials such as aluminum and plastic, large chip removal space, suitable for high-speed feed.

- 3-edge milling cutter: widely used in medium and hard materials, taking into account chip removal and strength, suitable for high feed.

- 4-point milling cutter: Suitable for hard materials such as steel and titanium alloys, providing smooth surface quality and suitable for low feeds.

- More than 4 edge milling cutter: For hard material finishing, suitable for light cutting, but poor chip removal capacity.

2. Select spiral Angle

- Low spiral Angle (30° and below) : suitable for hard materials such as steel, small cutting force, suitable for heavy cutting.

- High spiral Angle (45° and above) : suitable for soft materials such as aluminum, smooth cutting, smooth surface.

3. Select front corner

- Positive front Angle: suitable for non-ferrous metals such as aluminum and copper, reducing cutting force and improving surface quality.

- Negative front Angle: Suitable for hard materials, increasing tool strength, reducing cutting force, but increasing friction.

4. Handle design

- Straight shank milling cutter: suitable for general processing, good rigidity, low cost.

- Necked or conical shank milling cutter: suitable for deep hole machining or entering narrow areas, good rigidity, reduce yaw.

5. Coating selection

- TiN coating: Suitable for medium and hard materials to improve tool life.

- TiAlN coating: suitable for high temperature processing, such as hard steel, good heat resistance, suitable for dry cutting.

- Diamond coating: suitable for non-ferrous metals such as aluminum, strong wear resistance, suitable for high-speed finishing.

6. Material matching

Aluminum: Choose a high spiral Angle, 2 or 3-point milling cutter to promote rapid chip removal.

- Steel: 4-point milling cutter, spiral Angle 30° -40 °, negative front Angle, suitable for stable cutting.

- Titanium alloy: Choose high helix Angle and coating cutter to reduce temperature impact.

- Stainless steel: Choose low spiral Angle and coated milling cutter to reduce cutting force.

7. Roughing and finishing options

- Roughing: Choose 2 or 3 edge milling cutter to provide strong cutting capacity, suitable for large feed.

- Finishing: Select 4-edge and above milling cutter to ensure surface quality.

By taking these factors into account, you can choose the most appropriate carbide milling cutter geometry according to the specific processing needs, thereby improving processing efficiency and tool life.