To achieve high precision results, microtechology applications need to rely on powerful and reliable gears. This can be found in micromotors, aeronautics, medical devices or watch industry; these applications need gears or micro-gears of high precision and outstanding quality. There are several ways to cut such gears. We met Mr Graf, responsible for sales at Affolter (Malleray, Switzerland) which provides machines dedicated to the achievement of such gears.