With the rapid development of micro / nano science and micro-electro-mechanical systems( MEMS) technology,the requirements for micro-parts are quietly increased. Micro-forming is a manufacturing method using plastic deformation for the production of parts having at least two dimensions in the sub-millimeter range. Micro-forming becomes an attractive option in the manufacturing of micro products with high efficiency,simple process,excellent properties and high accuracy because of its advantageous characteris...