4 Flute Roughing End Mill

4 Flute Roughing End Mill Specifications

1、4 Flute Roughing End Mill Standard type

Model No.	Flute Diameter (mm)	Flute length (mm)	Shank Diameter (mm)	Overall length (mm)
D4*10*D4*50	4	10	4	50
D6*15*D6*50	6	15	6	50
D8*20*D8*60	8	20	8	60
D10*25*D10*75	10	25	10	75
D12*30*D12*75	12	30	12	75
D14*45*D14*100	14	45	14	100
D16*45*D16*100	16	45	16	100
D18*45*D18*100	18	45	18	100
D20*45*D20*100	20	45	20	100

2、4 Flute Roughing End Mill Extra Length Type

Model No.	Flute Diameter (mm)	Flute length (mm)	Shank Diameter (mm)	Overall length (mm)
D6*15*D6*75	6	15	6	75
D6*15*D6*100	6	15	6	100
D6*15*D6*150	6	15	6	150
D8*20*D8*75	8	20	8	75
D8*20*D8*100	8	20	8	100
D8*20*D8*150	8	20	8	150
D10*25*D10*100	10	25	10	100
D10*25*D10*150	10	25	10	150
D12*30*D12*100	12	30	12	100
D12*30*D12*150	12	30	12	150
D14*45*D14*150	14	45	14	150
D16*50*D16*150	16	50	16	150
D18*55*D18*150	18	55	18	150
D20*60*D20*150	20	60	20	150

4 Flute Roughing End Mill Features

1、Number of Flutes:

The end mill is equipped with four cutting flutes or edges. This increased flute count enhances the tool's ability to remove material quickly, making it well-suited for roughing applications.

2、Coarse Tooth Design:

The cutting edges typically feature a coarse tooth design. This design allows for aggressive cutting and the rapid removal of larger volumes of material, making the tool efficient in roughing operations.

3、High Helix Angle:

A 4-flute roughing end mill often has a high helix angle. This feature helps facilitate effective chip evacuation during machining, preventing chip buildup and promoting a smoother cutting process.

4、Center Cutting Design:

Many 4-flute roughing end mills are designed to be center cutting, allowing them to plunge directly into the workpiece. This versatility is beneficial for various machining operations, including face milling and slotting.

5、Variable Helix or Pitch Options:

Some models of 4-flute roughing end mills may feature variable helix or pitch options. This design helps minimize vibrations and chatter during machining, particularly at high speeds, improving overall cutting performance.

6、Corner Radii for Strength:

The corners of the cutting edges may have radii or corners designed for added strength. This feature helps prevent chipping and wear, enhancing the durability of the tool during rough machining.

7、Weldon Shank or Shank Options:

4-flute roughing end mills are often available with a Weldon shank or other shank options. The type of shank can impact the tool's stability and compatibility with different milling machines.

8、Coatings for Wear Resistance:

Some roughing end mills come with specialized coatings, such as TiAlN (Titanium Aluminum Nitride) or TiCN (Titanium Carbonitride). These coatings enhance wear resistance, reduce friction, and improve the tool's overall performance and lifespan.

9、Versatility Across Materials:

The design of the 4-flute roughing end mill allows it to be versatile across a range of materials, including metals, plastics, and composites. This makes it suitable for various machining applications in different industries.

10、Diverse Machining Applications:

4-flute roughing end mills are suitable for a variety of machining applications, including face milling, slotting, and side milling. Their robust design and efficient material removal capabilities make them versatile in different machining scenarios.

11、Reduced Axial Load:

The multiple flutes distribute cutting forces, reducing the axial load on the tool. This feature helps prevent tool deflection and enhances stability during rough machining operations.

12、Efficient Stock Removal:

The combination of four flutes, a coarse tooth design, and a high helix angle ensures efficient stock removal. This makes the 4-flute roughing end mill well-suited for roughing applications where maximizing material removal rates is crucial.

4 Flute Roughing End Mill Advantages:

1、High Material Removal Rates:

The four cutting flutes of the end mill allow for increased material removal rates. This makes it highly efficient in roughing operations where the goal is to remove material quickly and achieve the desired shape.

2、Aggressive Cutting Action:

The coarse tooth design of the cutting edges enables aggressive cutting action, allowing the tool to take deep and fast cuts. This is advantageous for rapidly removing excess material and achieving the desired rough shape of the workpiece.

3、Reduced Machining Time:

The combination of multiple flutes and aggressive cutting allows for reduced machining time. This is particularly beneficial in applications where productivity and efficiency are critical considerations.

4、Improved Chip Evacuation:

The high helix angle and multiple flutes contribute to effective chip evacuation during machining. This helps prevent chip buildup, reduces the risk of tool damage, and ensures a smoother cutting process.

5、Versatility Across Materials:

4-flute roughing end mills are versatile and suitable for machining a variety of materials, including metals, plastics, and composites. This versatility makes them valuable tools for different industries and applications.

6、Minimized Vibration and Chatter:

The design of the end mill, including the number of flutes and variable helix options, helps minimize vibration and chatter during machining. This is crucial for maintaining stability, especially at high cutting speeds.

7、Suitability for High-Speed Machining:

The robust design and efficient chip evacuation make 4-flute roughing end mills suitable for high-speed machining operations. This capability contributes to increased productivity in manufacturing processes.

8、Extended Tool Life:

The multiple flutes distribute cutting forces, reducing wear on individual cutting edges. This results in extended tool life, providing cost savings by reducing the frequency of tool changes.

9、Adaptability to Various Machining Operations:

4-flute roughing end mills are adaptable to various machining operations, including face milling, slotting, and side milling. Their versatility allows for the efficient removal of material in different scenarios.

10、Reduced Axial Load:

The distribution of cutting forces across multiple flutes reduces the axial load on the tool. This helps prevent tool deflection, ensuring dimensional accuracy and surface finish in the machined part.

11、Weldon Shank Stability:

The availability of a Weldon shank or other shank options enhances stability during machining. The type of shank can influence the tool's compatibility with different milling machines and contribute to overall performance.

12、Cost-Effective Roughing:

The combination of high material removal rates, reduced machining time, and extended tool life makes 4-flute roughing end mills a cost-effective choice for roughing operations. This efficiency contributes to overall cost savings in the machining process.

4 Flute Roughing End Mill Coatings:

The purpose of applying a coating to a carbide 4 Flute Roughing End Mill is to enhance its performance, durability, and overall effectiveness in various machining operations.

1、Titanium Nitride (TiN):

TiN is a popular coating choice for carbide 4 Flute Roughing End Mill. It offers excellent wear resistance and provides a protective layer on the tool's surface, reducing friction and extending tool life. TiN coatings are effective when machining non-ferrous materials and can enhance performance in general-purpose milling applications.

2、Titanium Carbonitride (TiCN):

TiCN coatings offer improved hardness and heat resistance compared to TiN. They are suitable for machining ferrous materials, including steel and cast iron. TiCN coatings provide excellent wear resistance, reduced friction, and increased tool life.

3、Aluminum Titanium Nitride (AlTiN):

AlTiN coatings are known for their exceptional hardness, high-temperature resistance, and excellent wear resistance. They are suitable for machining abrasive materials, such as hardened steels and stainless steels. AlTiN coatings provide extended tool life and enhanced performance in high-speed machining applications.

4、Diamond-Like Carbon (DLC):

DLC coatings offer excellent hardness, low friction, and high lubricity. They are effective when machining aluminum, copper, and non-ferrous materials. DLC coatings can reduce built-up edge and enhance the chip flow, resulting in improved surface finish and reduced cutting forces.

4 Flute Roughing End Mill Applications：

A 4-flute roughing end mill is a cutting tool with four cutting edges designed to remove material quickly and efficiently from a workpiece. It's primarily used for roughing operations, which involve removing larger amounts of material to prepare a workpiece for subsequent finishing operations. Here are some common applications of 4-flute roughing end mills:

1、Heavy Material Removal:

The primary application of a 4-flute roughing end mill is to quickly remove excess material from a workpiece. This is especially useful in situations where a rapid stock removal rate is required, such as when shaping a rough piece of material into a more refined form.

2、Metalworking:

In the metalworking industry, roughing end mills are commonly used to remove material from metal workpieces during the initial stages of machining. This includes tasks such as removing excess material from castings, forgings, and billets before proceeding to finishing operations.

3、Milling of Large Parts:

When working with large workpieces, such as those used in the construction of machinery or structural components, a 4-flute roughing end mill can quickly and efficiently remove the bulk of material, reducing machining time.

4、Die and Mold Manufacturing:

In the production of dies and molds, roughing end mills are used to remove material from the initial block of material, shaping it closer to the desired form. This roughing process helps reduce wear on subsequent finishing tools and increases efficiency.

5、Woodworking:

Roughing end mills are also used in woodworking applications to quickly remove material from wooden workpieces. This is useful for shaping raw lumber or preparing pieces for more detailed woodworking operations.

6、Plastic Machining:

Roughing end mills are effective for removing material from plastic workpieces, such as large blocks or sheets, to achieve the general shape before proceeding to more precise operations.

7、Aerospace Industry:

In the aerospace industry, roughing end mills are used for machining components like aircraft structural parts and engine components. They help to remove excess material and establish the general shape before fine-tuning with finishing tools.

8、Automotive Manufacturing:

Roughing end mills are utilized in the automotive sector for machining components like engine blocks and transmission housings. These tools help with initial material removal and shaping of these large parts.

9、Tool and Die Shops:

Roughing end mills are essential in tool and die shops, where creating prototypes, molds, and dies often involves removing significant amounts of material before final shaping and detailing.

10、Rapid Prototyping:

Roughing end mills are useful in the rapid prototyping process to quickly shape and rough out the initial form of a prototype before using finer tools for the final details.

In summary, the 4-flute roughing end mill is an essential tool for removing material quickly and efficiently during initial machining operations. Its ability to handle heavy stock removal makes it valuable in various industries that deal with metal, plastic, and wood machining, as well as in the production of large components and prototypes.

Video Of 4 Flute Roughing End Mill

FAQs for 4 Flute Roughing End Mill

1、What is a 4 flute roughing end mill?

A 4 flute roughing end mill is a cutting tool used in machining operations. It has four cutting edges or flutes that help remove material quickly and efficiently from a workpiece. This type of end mill is specifically designed for roughing operations, where the goal is to remove large amounts of material at higher feed rates.

2、 What materials can a 4 flute roughing end mill cut?

A 4 flute roughing end mill can cut a wide range of materials, including metals like steel, aluminum, and stainless steel. It's also suitable for cutting some non-metallic materials such as plastics and composites. The choice of material will determine the appropriate cutting parameters and tool coatings to achieve optimal performance.

3、What is the advantage of using a 4 flute design?

The 4 flute design offers several advantages. It provides more cutting edges, distributing the cutting load evenly across the flutes, which can result in smoother cuts and reduced vibrations. This design is well-suited for roughing operations as it helps in efficient material removal and improved chip evacuation.

4、How does a 4 flute roughing end mill differ from other end mills?

Compared to end mills with fewer flutes, a 4 flute roughing end mill is designed to be more aggressive in material removal during roughing operations. The additional flutes enhance the tool's ability to evacuate chips and maintain stability, especially when cutting at higher feed rates.

5、What feed rates and depths of cut are suitable for a 4 flute roughing end mill?

Feed rates and depths of cut will depend on factors like material type, machine capabilities, and the specific application. However, 4 flute roughing end mills are generally capable of handling higher feed rates and deeper cuts compared to end mills with fewer flutes.

6、Can I use a 4 flute roughing end mill for finishing operations?

While a 4 flute roughing end mill is primarily designed for roughing operations, it can also be used for finishing to some extent. However, for achieving fine surface finishes and tight tolerances, a dedicated finishing end mill with fewer flutes is often recommended.

7、What considerations are important when using a 4 flute roughing end mill?

Proper tool selection, suitable cutting parameters, and adequate coolant or lubrication are essential when using a 4 flute roughing end mill. Maintaining the tool's sharpness, avoiding excessive heat buildup, and ensuring proper chip evacuation will contribute to its effective and efficient use.

8、How do I extend the life of my 4 flute roughing end mill?

To extend the tool life, follow proper tool maintenance practices. This includes regular inspection for wear or damage, using the appropriate cutting parameters to avoid excessive wear, and employing the right cutting fluids or lubrication. Additionally, minimizing vibrations and ensuring the workpiece is securely clamped can help prolong the tool's lifespan.

9、Can I use a 4 flute roughing end mill in any type of milling machine?

Yes, a 4 flute roughing end mill can be used in various types of milling machines, including vertical milling machines, horizontal milling machines, and CNC machining centers. However, ensure that the machine's capabilities match the requirements of your specific application to achieve optimal results.

10、How do I select the right 4 flute roughing end mill for my project?

When selecting a 4 flute roughing end mill, consider factors such as the material you're working with, the machine's capabilities, the desired cutting parameters, and the specific roughing operation you're performing.

FAQs for the factory :

1、Who Is RUIYU?

Ruiyu is a manufacturer of Carbide Cutting Tools: End Mills, Drills, Routers, Chamfer Mills and Specials.

2、How do you ensure the quality of the products ?

We have precision detection machine, quality inspectors check cutters every piece to guarantee the quality of the products.

3、Can you design the cutters according to the drawings ?

Yes, we have professional technician with rich experience and will deliver the samples for the approval before bulk production.

4、Can you supply with drawing or on an ODM basis?

Yes, we have professional technician with rich experience and will deliver the samples for the approval before bulk production.We can produce according to your drawings; we can supply goods with medium-sized packaging without our logo, then you can repack at your side with your brand packaging; if volume is big, we can pack at our side with your brand packaging.