Since their launch at AMB 2012, Walter’s LNHU… indexable inserts with a fully ground circumference have repeatedly proven themselves in various milling applications.
They can be used in F5041, F5141 and F5241 tangential Walter BLAXX shoulder milling cutters as well as porcupine milling cutters and adjustable cartridge cutters, and have been gradually developed to become a system insert. Now Walter AG is adding a new sintered variant which, according to Walter, is primarily characterised by its efficiency. The new LNMU… indexable inserts with L55T geometry will initially launch on the market in Tiger·tec® Gold, grade WKP35G and Tiger·tec® Silver, grades WKP25S, WK45S and WKK25.
As with the previous LNHU… ground indexable inserts, the new range has four cutting edges on each circumference-sintered insert, displaying extremely high levels of concentricity and run-out accuracy when used in Walter BLAXX milling cutters. Further key features – according to the Tübingen-based precision tools manufacturer – are their soft cutting action(which is enabled by helical cutting edges), their high feeds and precise 90° approach angles. Additional features of note include the high process reliability of the sintered indexable inserts due to their tangential alignment in the milling cutter, in addition to their high efficiency.
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