China Shipbuilding Heavy Industry news, Chongqing Jiang increasing Shipbuilding Heavy Industry Co., Ltd. is currently the largest independent design and production of model condensing steam turbine QJN002 recently successfully delivered to the user. The largest model of the current condensing steam turbine QJN002 delivered by Jiang Zeng Heavy Industry has a total length of 6.5 meters. The weight of the whole machine is 28 tons and the power is 1700KW . It contains seven stages of impellers and the structure is very complicated. In the development process, all departments of the company cooperated with each other and cooperated with each other to overcome the problems of design and parts processing quality, repeatedly optimize the design and improve the processing of parts. The successful development of QJN002 steam turbine marks the company's design and development of large impeller mechanical products. The manufacturing capacity has achieved substantial results and has demonstrated the design and manufacturing capabilities of developing and manufacturing large impeller mechanical products. Sheet metal fabrication processing is formed by laser cutting or stamping process, shear and bending, bending, bending, welding, riveting. The Sheet metal fabrication used are cold-rolled plate (SPCC), hot-rolled plate, galvanized plate (SHCC) (SECC, SGCC), copper (CU) brass, copper, beryllium copper, aluminum (5052), stainless steel. Sheet metal fabrication processing steps: according to the parts drawing (3D) expanded into a plan (2D), laser cutting or die stamping shape, CNC punching each bending part, should pay attention to the direction of the burr of the workpiece. Then the students are welded or riveted (some). Surface treatment after processing: electroplating, passivation, sand blasting (powder), anode treatment. Products are generally made for the connection and the outer cover. Applications in robotics, drone, communications, medical devices, industrial automation equipment. Sheet Metal Fabrication,Oem Sheet Metal Fabrication,Sheet Metal Forming,Sheet Metal Bending Hong Kong RYH CO., LTD , https://www.cncmachiningpart.com