Dr. Alexander A. Tkachev

is an assistant professor in the production mechanical engineering department of Izhevsk State Technical University, where he’s mainly responsible for programming gear design software, especially for designing spur and helical gears. He is also an executive engineer of Izhevsk Mechanical Plant, a company that produces power tolls and other products. As an executive engineer, he is involved in developing CAD systems for gears. The university’s Web site is [inter.istu.ru]. Visit AK Gears at [www.akgears.com].