Haimer to supply Kennametal spindle connector

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The continuing development of high-strength, lightweight materials such as titanium alloys, Inconel and new aluminium alloys are eagerly sought by manufacturers in many industries, including aerospace and defense, energy, and transportation. These new materials present significant machining challenges in themselves, Kennametal noted. Add the competitive pressures in these global industries, and finding advanced manufacturing solutions becomes a top priority.

The spindle connection is said to provide the torque and bending load capacity compatible with machine-tool specifications.
(Source: Kennametal)

Machine-tool builders have responded with milling and turning centers that feature improved stiffness and damping on spindles and sizable machine structures and motors, all to provide the significant horsepower, torque and thrust forces required while minimizing undesirable vibrations that deteriorate part quality and tool life.

Doug Ewald, director of global product management for tooling systems at Kennametal, said: “In most cases, the tool-spindle connection determines how much material can be removed on a given operation. This is because this interface must withstand high loads and yet maintain its rigidity. With the ongoing advances in cutting tools and machining centers, a spindle connection that makes the best utilization of available power possible is an important consideration to investigate early in production planning.”

Rigid toolholding is critical as well, according to Oliver Sax, director of product management at Haimer. “From a technical perspective, the KM4X spindle connection makes it possible for us to utilize the full potential of our toolholders. Outdated dual-faced steep-taper systems were limiting the potential of modern machine tools. Feedback from Kennametal customers led us to investigate the new KM4X spindle connection more closely. After analyzing the data, we found KM4X to be the leading interface for the high-torque, high-rpm fine balanced toolholders Haimer provides.”

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Haimer to supply Kennametal spindle connector