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The Big Kaiser EWN 04-7 series precision-finish boring head is designed for micro-milling machining with high speed spindles such as HSK-E25, E32 or E40. The head is also well-suited for applications in which a tool must travel into deep cavities for ultra-small-diameter boring, the company says. High rigidity and secure clamping add to the boring head’s micro capabilities.
The head is available in diameters ranging from 0.016" to 0.276" (0.04 to 7 mm) and features a high-precision adjustment accuracy of 0.0005" per diameter and 0.001" per diameter with the use of a Vernier scale. The maximum through-tool coolant pressure is 300 psi. The head is available with the Kaiser KA1 modular connection or with a 10-mm-diameter straight shank, and can accept boring bars with 4-mm-diameter shanks.
Editor PickSteel Milling Grade Now Available for Use with CoroMill QD and 331 Groove Milling Cutters
Already available for use with CoroMill 390, CoroMill 490 and CoroMill 495 shoulder and chamfer milling systems, this expansion of the application area makes the benefits of Zertivo technology, such as long tool life and secure machining, available to a wider user profile, the company says.