A 4-flute solid ball end mill that can handle roughing to finishing of high-hardness materials with a hardness of 70 HRC.
1. High efficiency in processing is possible with a 1.4 blade design. 2. High tool rigidity and the adoption of unequal division reduce chatter. 3. A twist angle of 45° achieves low resistance and excellent cutting performance. 4. A unique blade shape is adopted at the center of the cutting edge, ensuring good chip evacuation and stable processing. 5. New PVD coating "New DH (Dijet Hard) Coat" is adopted for high hardness materials and high-speed processing.
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basic information
1. The R tolerance is ±8μm, providing high precision and capable of handling both roughing and finishing with a single tool. It is a 4-flute solid ball end mill that can also process materials with a hardness of 70 HRC. 2. The 4-flute design enables high efficiency in machining. 3. High tool rigidity and the adoption of uneven division reduce chatter. 4. A twist angle of 45° achieves low resistance and excellent cutting performance. 5. By adopting a unique cutting edge shape at the center of the cutting edge, good chip evacuation is realized even when machining at the tool tip, allowing for stable processing. 6. The new PVD coating "New DH (Dijet Hard) Coat" for high hardness materials, combined with ultra-fine particle carbide for high hardness materials, results in a new material type "DH102" that achieves long tool life.
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Applications/Examples of results
High-efficiency helical machining allows for drilling of high-hardness materials. Compared to conventional drills for high-hardness materials at 60HRC, the results are excellent due to: 1. Reduced processing time, 2. Capability for dry machining, 3. Versatility in hole processing with a single tool, allowing for tool consolidation, 4. Long tool life, 5. No chipping of the cutting edge and good hole accuracy.
Line up（1）
| Model number | overview |
|---|---|
| DH-OCHB | One Cut Ball 70 |
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Company information
Since our founding in 1938, we have recognized the potential of cemented carbide in industry and have independently pioneered innovations in cemented carbide tools and the evolution of processing. Based on the powder metallurgy technology cultivated in cemented carbide manufacturing, we have successively introduced innovative technologies to the market, including the world's first practical application of conventional cermet chips, the development of ball end mills and drills with spiral cutting edges, and end mills with twisted cutting edges. In recent years, we have created highly original new technologies in various fields, such as diamond and cemented carbide integrated sintered products, cemented carbide for irregular gear forming molds, and tool materials made from rare metal-reduced alloys, which we sell worldwide. In addition to developing materials and products, we consistently conduct in-house production from the preparation of raw powders, ensuring stable high-quality products, which we believe has earned us the trust of our customers. Today, there are very few products in the world that do not undergo machining processes such as cutting or plastic processing. Even in the realm of advanced science, the advancement of processing technology is essential for practical application and industrialization. In this era of global competition, we will challenge new fields without being bound by convention, adhering to the philosophy that "management is creation" and "richly creative technology development" to contribute to the world.
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