Thermal Cutting of Metals - Cutting of metals implies severing or removal of metal. Cutting is the process of separating metals, i.e., a metal piece is separated or spilt into two parts. Cutting of metals is an every day practice in industry. It is employed for the following purposes:
(i) Cutting desired lengths and shapes of (rolled) metal pieces for assembly and other processing operations to be carried out on different machine tools and presses. Many times it is required to cut a gear blank from a plate or a blank is cut from a plate for subsequent forming operations.
(ii) For preparing the edges of plates for welding them together.
(iii) For cutting gates and risers from the castings.
(iv)For salvage work.
