Unconventional manufacturing processes is defined as a group of processes that remove
excess material by various techniques involving mechanical, thermal, electrical or chemical
energy or combinations of these energies but do not use a sharp cutting tools as it needs to
be used for traditional manufacturing processes.
Extremely hard and brittle materials are difficult to machine by traditional machining
processes such as turning, drilling, shaping and milling. Non traditional machining
processes, also called advanced manufacturing processes, are employed where traditional
machining processes are not feasible, satisfactory or economical due to special reasons as
Very hard fragile materials difficult to clamp for traditional machining
When the workpiece is too flexible or slender
When the shape of the part is too complex
Several types of non-traditional machining processes have been developed to meet extra
required machining conditions. When these processes are employed properly, they offer
many advantages over non-traditional machining processes. The common nontraditional machining processes are described in this section.
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