In the machining theory, a common term is hard-to- cut materials. These are both hardened and stainless steel, and hard alloys. However, among all hard-to- cut materials, brittle materials can be distinguished as a separate class: optical glass, crystals of different salts, monocrystalline quartz, quartz glass, germanium, etc. Their high hardness and brittleness causes great difficulties in cutting as brittle fractures are accompanied by an active cracking, chipping and a variety of defects on the surface. At the same time, the specific nature of part manufactured of these materials is that often, the problem is not only in the machining capability of brittle materials using the existing equipment, but also in obtaining high- precision surfaces with nanometer roughness and minimal internal stresses.


Разработка: студия Green Art