Mitsubishi Milling Inserts - Somt12t308

1. Overview of Mitsubishi SOMT12T308 Milling Inserts

The SOMT12T308 is a square-shaped, positive rake angle insert that is specifically designed for use in face milling, shoulder milling, and light slotting operations. The insert features a 12 mm (or 1.2 cm) size designation, making it ideal for medium to light cutting tasks that require high levels of precision and surface finish.

• Insert Shape: Square shape with a 12 mm edge length.
• Insert Type: Positive rake angle for excellent chip flow and smooth cutting action.
• Size: 12 mm x 12 mm insert with a 3.18 mm thickness.
• Cutting Edges: Typically designed with 4 cutting edges, providing a cost-effective solution by allowing rotation for extended tool life.

2. Key Features of Mitsubishi SOMT12T308 Milling Inserts

• Positive Rake Angle: The positive rake angle of the SOMT12T308 insert ensures minimal cutting force, smooth cutting, and improved surface finish. This characteristic makes it ideal for light to medium cutting applications and provides superior chip control.

• Durability: The insert is made from high-quality carbide, which offers excellent wear resistance and strength, even in challenging machining conditions. The superior material choice contributes to longer tool life, reducing downtime and tool replacement costs.

• Precision: Mitsubishi’s advanced manufacturing techniques ensure that each insert is manufactured to precise tolerances, providing consistent performance and high-quality surface finishes.

• Efficient Chip Evacuation: The positive rake angle and optimized cutting geometry ensure effective chip removal during machining, preventing chip clogging and improving the overall efficiency of the operation.

• Multi-Edge Design: The SOMT12T308 typically features multiple cutting edges (usually four), allowing for extended tool life and a reduction in tool change frequency. This feature makes the insert ideal for high-volume production environments.

3. Applications of Mitsubishi SOMT12T308 Milling Inserts

The SOMT12T308 milling insert is highly versatile and can be used in a variety of milling operations, including:

• Face Milling: Ideal for use in face milling operations, where the insert provides efficient cutting action for creating smooth, flat surfaces.

• Shoulder Milling: Perfect for shoulder milling, where the insert can handle the creation of precise vertical or angled surfaces.

• Slotting and Grooving: SOMT12T308 inserts are also effective in light slotting and grooving operations, ensuring high precision and clean cuts.

• Profile Milling: The insert can be used for profile milling, creating contoured surfaces with tight tolerances and excellent finish quality.

• General Milling Applications: Due to its stability and cutting efficiency, this insert is suitable for general-purpose milling in a variety of materials.

4. Grades and Coatings

Mitsubishi Materials offers a range of cutting grades and coatings for their SOMT12T308 inserts, enabling optimal performance in different materials and cutting conditions.

• Coatings: Common coatings for the SOMT12T308 insert include:

  • TiAlN (Titanium Aluminum Nitride): Offers superior wear resistance and heat resistance, ideal for high-speed cutting and machining hard materials like stainless steel and high-strength alloys.
  • TiN (Titanium Nitride): Provides increased wear resistance and longer tool life, suitable for general-purpose machining.
  • CVD (Chemical Vapor Deposition): CVD coatings enhance the hardness of the insert, making it perfect for heavier cutting operations in tough materials.
  • PVD (Physical Vapor Deposition): PVD coatings provide a smoother surface and greater resistance to wear and heat, ideal for fine finishing cuts.

• Grades: Mitsubishi offers different carbide grades, such as MZ7025, MZ7085, and MZ7105, each designed for specific machining applications:

  • MZ7025: Suitable for general-purpose milling in steels and cast iron.
  • MZ7085: Optimized for high-speed cutting in stainless steels and super alloys.
  • MZ7105: Designed for tougher materials, such as heat-resistant alloys and high-strength steels.

5. Advantages of Mitsubishi SOMT12T308 Milling Inserts

• Long Tool Life: The combination of high-quality carbide material and advanced coatings ensures extended tool life, reducing the need for frequent insert changes and minimizing downtime.

• High Productivity: The insert's multi-edge design and efficient cutting geometry result in faster material removal rates, increasing productivity and reducing cycle times in manufacturing operations.

• Versatility: SOMT12T308 inserts can be used in a wide range of materials, from low-carbon steels to tougher, high-alloy materials, making them versatile and adaptable to different machining needs.

• Superior Surface Finish: Thanks to the positive rake angle and optimized geometry, these inserts deliver high-quality surface finishes, even in demanding applications where precision is essential.

• Cost-Effectiveness: By allowing the use of multiple cutting edges before an insert change is required, Mitsubishi’s SOMT12T308 inserts are highly cost-effective, reducing the total cost of tooling in production environments.

6. Conclusion

Mitsubishi’s SOMT12T308 carbide milling inserts offer a highly effective solution for a wide range of milling applications, from light to medium cutting tasks to more demanding operations in various materials. With their positive rake angle, excellent chip control, and multi-edge design, these inserts deliver superior cutting performance, longer tool life, and high-quality surface finishes.

Whether you're performing face milling, shoulder milling, or light slotting, the SOMT12T308 is a versatile and reliable choice for achieving high productivity and precision in both general-purpose and specialized milling tasks. With Mitsubishi's advanced coating technologies and carbide materials, these inserts offer a cost-effective and durable solution to meet the demands of modern machining.