CCS焊接常识(国外英文资料).docVIP

CCS焊接知识(国外英文资料) General requirements for welding materials, equipment and operating environment, welders and welding process Welding materials shall be approved by CCS. 2. Before welding materials storage, transportation, welding processing (including welding rod, welding wire derusting, dry gas and flux drying) and use should be accord with the requirement of welding material manufacturer specification. The equipment and equipment used for welding shall be suitable for the purpose of drawing up and remain in good working condition. At the same time, it should be properly arranged to ensure good welding operation condition. In order to ensure the quality of the welding, the welders of all the ships, Marine facilities or Marine products shall be required to take the welder qualification examination. Only the welder who holds the welders qualification certificate issued or admitted by CCS can do the welding work corresponding to the certificate. The welding procedure procedure shall be adopted after the CCS approval is submitted according to the regulations. The manufacturing requirements of the pressurized shell The welding parts 1. The groove The welding plates of the compressed shell shall have good groove. The groove can be processed by means of gas cutting, machining, chipping or polishing. When the method of gas cutting is used, the surface of the groove surface of the gas cutting is machined or polished to remove all the slag and oxide. Splicing the seams The wrong side of the compression casing shall not be more than 10% of the thickness of the plate, and shall not exceed 3mm for the longitudinal seam, and no more than 4mm for the circular seam. The component of the fillet that is not required to be welded shall not be open, and the component shall be attached to it when assembling, and the clearance shall not exceed the following rules: A. When the component thickness is less than 10mm, it is 2mm. When the component thickness is 10mm, it is 3mm. At the posi