工研 Product Lineup

The "Koken Comprehensive Catalog ORIGINAL TOOLS" is a comprehensive catalog featuring our original end mills developed with insights from customer feedback. Our processing and management technology, controlled by computers, ensures high precision and stability, offering a wide range of products including "end mills for SUS," "special end mills for difficult-to-machine materials," "roughing end mills for rough machining," and tools with original cutting shapes, as well as many options for high hardness and difficult-to-machine materials. [Contents] ■ End mills for SUS ■ Special end mills for difficult-to-machine materials ■ Roughing end mills for rough machining ■ Highly versatile ball end mills ■ Four-flute ball end mills for difficult-to-machine materials *For more details, please refer to the PDF document or feel free to contact us.

• End Mills
• Processing Contract
• Contract manufacturing

"ZERO BEAT" is a non-coated end mill for aluminum. It adopts our unique blade shape for aluminum, achieving excellent cutting performance and surface finish. It is also compatible with inclined cutting such as helical machining and wrapping processing. Additionally, the DLC (hydrogen-free type) coating can be added for further performance enhancement. 【Processing Example】 ■ Tool Used: ZBT-T Custom (Blade Diameter φ18×R0.2, Blade Length L35, Shank Diameter φ16, Total Length L105) ■ Material Being Processed: A5052 ■ Processing Details: Rough machining ■ Cutting Conditions - Spindle Speed: 20000 min-1 - Cutting Speed: V=1130 m/min - Feed Rate: 10000 mm/min - Depth of Cut: ae=9～12 mm, ap=2 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

"TWIN BEAT" is a special end mill for difficult-to-machine materials with AN coating. It is a finishing product developed for difficult-to-machine materials such as precipitation-hardened stainless steel and titanium alloys. By suppressing vibration, it has achieved improved machining surfaces and longer tool life. 【Machining Example】 ■Tool Used: TWBT-3 ■Material Being Machined: Ti 6AI 4V ■Machining Details: Side finishing ■Cutting Conditions ・Rotational Speed: 700 min-1 ・Cutting Speed: V=35 m/min ・Feed Rate: 210 mm/min ・Depth of Cut: ae=0.2 mm ap=40 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

"ROUGH BEAT" is a roughing end mill with AC coating for rough machining. It is recommended for reviewing machining processes and methods with carbide roughing. It contributes to improving machining efficiency. 【Machining Example】 ■ Tool Used: RBT-8 (coating changed from AC to AN for titanium) ■ Work Material: Ti 6AI 4V ■ Machining Content: Side rough machining ■ Cutting Conditions ・Spindle Speed: 500 min-1 ・Cutting Speed: V=40 m/min ・Feed Rate: 200 mm/min ・Depth of Cut: ae=0.2 mm ap=70 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

The "JMB" is our standard ball end mill with AC coating. It is a product designed for general machining while achieving a higher level of machinability. 【Machining Example】 ■Tool Used: JMB-1 ■Material: NAK55 ■Machining Content: Contour machining ■Cutting Conditions 　・Spindle Speed: 17520 min-1 　・Feed Rate: 1400 mm/min 　・Depth of Cut: ae = 0.03 mm, ap = 0.03 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

The "JMB PLUS-R Series" is a special ball end mill with TN and AN coatings. It can handle SUS and difficult-to-cut materials due to its unequal division and strong twist design. Additionally, since the conditions for difficult-to-cut materials are set low, using a 4-flute cutter is effective in increasing cutting efficiency compared to a 2-flute cutter. 【Processing Example】 ■ Tool Used: JMBPR-1 ■ Work Material: Ti 6AI 4V ■ Processing Content: Finishing ■ Cutting Conditions 　・Spindle Speed: 4780 min-1 　・Cutting Speed: V=150 m/min 　・Feed Rate: 1912 mm/min 　・Depth of Cut: ae=0.2 mm ap=0.2 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

"JMB PLUS" is a ball end mill designed for machining difficult-to-cut materials with PT coating. By giving the R part a slightly stronger twist, it achieves excellent cutting performance near the center. It features a special shape designed for effective chip removal. 【Processing Example】 ■ Tool Used: JMBPR-7 ■ Work Material: SS400, FCD ■ Processing Details: Contour finishing ■ Cutting Conditions ・ Spindle Speed: 5000 min-1 ・ Cutting Speed: V=251 m/min ・ Feed Rate: 2000–2300 mm/min ・ Depth of Cut: ae=0.1–0.15 mm, ap=0.1–0.15 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

"HARD BEAT" is a high-hardness end mill with AD coating. It enhances tool rigidity and is suitable for hardened steel with a hardness of 60HRC or higher. Additionally, it has proven performance not only with high-hardness steel but also with FCD. 【Processing Example】 <Rough Machining> ■ Tool Used: HBT-2 No Radius ■ Work Material: S43CN ■ Machining Details: Side Cutting (Rough Machining) ■ Cutting Conditions - Spindle Speed: 3000 min-1 - Cutting Speed: V=94 m/min - Feed Rate: 450 mm/min - Depth of Cut: ae=15～2.0 mm ap=9 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

The "4BEAT" is our versatile end mill with an AC coating. It adopts an unequal division design, making it suitable for a wide range of materials from general steel to stainless steel. It is a user-friendly product that goes beyond being just a standard tool. 【Processing Example】 ■ Tool Used: 4BT-T Custom (R1 added to 4BT-7) ■ Material: S45C ■ Processing Details: Side cutting (vertical wall) ■ Cutting Conditions 　・Rotational Speed: 1600–1800 min-1 　・Cutting Speed: V=60.2–67.8 m/min 　・Feed Rate: 160–180 mm/min 　・Depth of Cut: ae=0.15 mm ap=7 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

"4BEAT PLUS" is an end mill for SUS with PT coating. It is designed for machining materials such as precipitation-hardened stainless steel, achieving high efficiency and long tool life. It also demonstrates excellent performance on cast materials (FC, AC, etc.). 【Machining Example】 ■Tool Used: 4BTP-5 ■Work Material: ADC12 ■Machining Content: Side Cutting ■Cutting Conditions ・Spindle Speed: 2500 min-1 ・Cutting Speed: V=78.5 m/min ・Feed Rate: 300 mm/min ・Depth of Cut: ae=0.15 mm ap=10–20 mm *For more details, please refer to the PDF document or feel free to contact us.

• End Mills

Koken Co., Ltd. manufactures and regrinds industrial cutting tools and special-shaped tools. Additionally, with our excellent technical staff and world-class ultra-precision CNC tool grinding machines, we are capable of total planning and production from tool materials to design and commercialization. We promise high precision and stable product supply through computer-controlled processing and management technology. 【Features】 ■ Regrinding services available for even one piece ■ New tool manufacturing also available for one piece ■ Rush orders are welcome ■ Various coatings are available ■ Tools with original blade shapes, high hardness, and difficult-to-cut materials are also supported *For more details, please download the PDF or contact us.

• Wafer processing/polishing equipment
• Processing Contract