New cutters for milling titanium

Horn has launched a new range of solid carbide milling cutters designed specifically for machining titanium alloys such as Ti6Al4V. The programme comprises cutters with diameters from 2 to 20 mm, available in four- and five-flute geometries with a cutting edge length of 2xD and 3xD.
The newly-developed TSTK grade is specifically intended for machining titanium, widely used in the aerospace and medical industries. As well as offering good tribology properties and high temperature resistance, the material transmits minimal heat into the substrate and acts as a kind of thermal shield.
Further important characteristics of the newly-designed solid carbide end mills are alternative helix angles and pitches to ensure a softer, gentler cut, therefore eliminating vibration and chatter. As titanium’s low thermal conductivity makes it difficult to remove heat from the point of cutting, a copious supply of coolant directly to the cutting edge is essential, advises Horn.
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