High-Feed Milling Cutter Resists Vibration
The MFH-Raptor high-feed milling cutter from Kyocera Industrial Ceramics features a vibration-resistant design for increased productivity in ramping and helical milling at high speeds. The cutting tool has a convex helical edge design to reduce cutting forces during initial workpiece contact, and offers coolant holes for machining high-temperature alloys or improving surface roughness. Inserts are available for general milling, large depth-of-cut operations ranging to 5 mm, and wiper edges for roughing and finishing, even in low-horsepower operations. The cutter is suitable for applications such as face milling, shouldering, slotting, ramping, helical milling and plunging.
Inserts are available in various grades for difficult-to-cut materials and provide stability to help prevent insert fracturing and promote high-efficiency machining. For example, the CA6535 insert is intended for Ni-base heat-resistant alloys and martensitic stainless steel, and is coated with Kyocera’s thin-film CVD coating for high heat- and wear-resistance. The PR1535 insert for titanium alloys and precipitation-hardened stainless steel uses the company’s Megacoat Nano coating for improved stability and longer tool life in milling applications.
The more common twist drill point geometries often are not the best for the job at hand. By choosing the best point for the material being drilled, it is possible to achieve better tool life, hole geometry, precision, and productivity.
Economic efficiency is an important consideration when choosing tools for challenging metals.
Liquid coolant offers advantages unrelated to temperature. Forced air is the fluid of choice in this shop...but even so, conventional coolant can't be eliminated entirely.