Milling Precision milling cutters for high-tech materials

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Jongen Werkzeugtechnik GmbH

Ramada Acos

Tool manufacturer Inovatools introduces the Fightmax mill series, a lineup of end mills designed to optimise the machining of high-tech materials. The series includes the HPC-VHM Fightmax Titan, Fightmax Inox, and Fightmax Steel, each engineered for high performance and durability.

With the Fightmax mill series, the tool manufacturer Inovatools from Germany is sending a versatile “fighter” into the ring for the cost-effective processing of a range of high-tech materials. Thanks to their unique design features, the HPC-VHM Fightmax Titan, Fightmax Inox and Fightmax Steel end mills achieve extreme cutting volumes and impressive surface quality with high cutting values and feed rates as well as long service lives. A special high-gloss finish enhances the performance and productivity of Inovatools’ high-end milling cutters and drills. One example is the Inovatools First Choice recommendation Fightmax Steel, a HPC roughing and finishing milling cutter, that achieves double-digit percentage increases in the service lives of these specially treated tools compared to standard equipment in a variety of applications with their ultra-smooth functional and secondary surfaces.

Special, tough, extremely fine-grain carbide mixed in a balanced ratio forms the basis of the tool design in order to compensate in the best possible way for the high and varying loads to which it will be exposed in later use. The special design of the Fightmax Steel, with its unevenly split cutting and unequal spiral pitch (35°/38°), is a recipe for success for quiet, vibration-free operation and a high cutting volume. Another performance factor is the precisely defined rounding of the cutting edges. Thanks to the edge preparation, tiny nicks and irregularities are eliminated, even on a µm scale. This makes the cutting edges of the Fightmax Steel more resistant to premature wear as a result of edge chipping and micro-chipping.

Thanks to the possible steep plunging angle of up to 45°, enormous quantities of material can be removed during pocket milling, for example. With its lower process temperature and excellent chip evacuation with helical milling, Fightmax Steel scores points with its very high material removal rate. The special, smooth Varocon Plus coating not only aids the swift removal of chips but also makes the high-performance milling cutter highly resistant to temperature and wear. This is a prerequisite for a long service life.

Extra performance with high-gloss finish

Generally speaking, the smoother the surface, the better the chip flow. If chips can evacuate better, manufacturers get less build-up on the cutting edge, which significantly reduces pressure. The faster removal of chips from the chip groove results in less heating of the chips. These positive effects of the smooth surface mean that higher cutting speeds and feed rates as well as significantly higher service lives can be achieved with the cutting tools used. When it comes to cutting, it’s not just the right tool geometry that counts but also the right finishing process. The specialists at Inovatools worked on surface quality, for instance, and developed a special high-gloss finish. This means an extra boost to the performance of the cutting tools.

Thanks to reduced friction, the new Inovatools process improves chip removal from the machining zone, while the cutting heat is dissipated even more quickly and effectively through the chips. Temperature increases on the cutting tool and in the workpiece to be machined can be effectively reduced, as can material buildup and galling on the cutting edge. The Inovatools process is suitable for coated and non-coated tools alike.

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