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PVD Coatings

WALTER (Waukesha, WI) has created a PVD coating for its Tiger-tec cutting grades by applying aluminum oxide (Al2O3) to its inserts—providing cutting grades for most applications from stainless steel, to heat resistant alloys, super- and titanium alloys as well as the proved steel and cast iron grades.

WALTER (Waukesha, WI) has created a PVD coating for its Tiger-tec cutting grades by applying aluminum oxide (Al2O3) to its inserts—providing cutting grades for most applications from stainless steel, to heat resistant alloys, super- and titanium alloys as well as the proved steel and cast iron grades. These indexable inserts with the new coatings fit the company’s shoulder milling cutter series, the Xtra-tec F 4042. Applications include the aerospace and power generation industries. The PVD Tiger can process titanium and titanium alloys successfully. By using aluminum oxide layers, the new cutting tool material is very tough and resistant to elevated temperatures. The innovative cutting tool materials (color: black/champagne) combines the positive features of both CVD and PVD coatings. The PVD coating excels on sharp cutting edges, but it is less heat and chemically resistant than the CVD coating which, in contrast, performs well in both areas. The CVD insert cutting edges are more rounded due to thicker layers, making the cutting edge less sharp than that of PVD inserts.
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Walter USA, LLC