M3 XXT, Knurled styli, silicon nitride sphere, carbon fibre shaft
These innovative styli with plastic coated thread are a cost-saving alternative to standard styli. Their carbon fibre shaft is tipped with a ruby sphere and has been especially designed for the use with the VAST XXT probe. Beneath the cost factor there is the benefit, that these styli can be mounted without any tools. Compared to conventional styli, these styli have a knurled plastic adapter with titanium core. The styli can thus be screwed in and fastened by hand.
Carbon fiber shafts represent an optimum combination of stiffness, weight, and thermal linear expansion. This makes them particularly suitable for long styli and demanding measurement tasks, such as in production with constantly changing ambient temperatures. They are also ideal for magnetic applications. The straight shaft is the simplest stylus design and the one with the longest usable length. The full shaft length can be used as measuring length. Carbon fibre shafts have the best thermal behaviour and the lowest weight, but a little less stiffness.
Silicon nitride styli are just as universally applicable as ruby styli. However, they show less material deposits when scanning aluminum or other soft materials. This does not mean that there iare no deposits here. SiN spheres also shows this problem, the effect only occurs at a later point in time in the process. Due to the almost identical hardness compared to ruby, SiN spheres are equally susceptible to material removal when measuring hard, abrasive materials.