Dry welding and wet welding
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Underwater welding has two types... Dry or Hyperbaric welding and wet welding.
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Dry welding and wet welding
- 1. By Mr. Rohitkumar G. Rathod © www.EMechatronix.com
- 4. Underwater Welding : DRY WELDING WET WELDING © www.EMechatronix.com
- 8. Two Possibilities… Electrode design These copper coated Packing carbon/graphite electrodes Creating Habitat, cover over are especially made for the the weld spot. Arcwater process. Arcwater electrodes that are © www.EMechatronix.com
- 13. Advantages of Wet Welding Cheapest and Fastest method. Tensile strength is high. Ease of access the weld spot. No habitat, no construction, no waste of time. © www.EMechatronix.com
- 14. Disadvantages of Wet Welding Rapid quenching decreases impact strength, Ductility. Hydrogen enbrittlement. Poor visibility in water. Higher energy density of Hydrogen. Higher efficiency © www.EMechatronix.com
- 15. Dry Welding/ Hyperbaric Welding © www.EMechatronix.com
- 17. Dry Welding/ Hyperbaric Welding © www.EMechatronix.com
- 20. Advantages of Dry Welding Welder/Diver Safety. Good quality welds. Surface monitoring. Nondestructive testing. © www.EMechatronix.com
- 21. Disadvantages of Dry Welding Higher cost of process, training, etc. Large qty of costly and complex equipments. More deep, More energy requirement. Cant weld if weld spot is at unreachable place. © www.EMechatronix.com