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If undercutting occurs while MIG welding, first assess the weld to determine the extent of the issue. To address it, you can grind out the undercut and then re-weld the area, ensuring proper technique and settings to prevent recurrence. Adjusting travel speed, voltage, and wire feed speed can help mitigate future undercutting. Additionally, maintaining an appropriate angle and distance from the workpiece can improve weld quality.
What else can I help you with?
What is submerged arc welding?
Sub arc welding is a process in which the welding actually occurs while submerged under a layer of flux. Not only does this prevent oxygen from entering the weld and thus porosity, but it also keeps the dangerous arc from sputtering and spattering from the weld.
Difference between ERW and SAW welding?
SAW welding is a type of arc welding while ERW welding is spot or seam welding. SAW stand for submerged arc welding while ERW stands for electric resistance welding.
What should be done to prevent a person from falling from height while working on radial drilling machine or while welding at height by sitting on shell and welding the nozzle the height around 4 mtr?
4000ft
What type of safety protection do you need for standard welding equipment?
"While using welding equipment, you should always wear safety googles and protective gloves." Make sure you have on a welding jacket and long pants when you're using welding equipment. Those sparks can be very dangerous.
Does lacquer coating on tinplate affect welding?
Yes. However, there are paints designed to be compatible with welding as they are designed to protect the surface of the plate from corrosion while in storage. In every code or specification, it is specifically stated that welding should be done on clean metal. Welding over paint is discouraged.
What would you do when you see a fellow welder fell unconscious while welding in a confined space?
Should rescue, apply emergency Procedure and call an ambulance.
Is it okay to use contact lens while welding?
you will be ok if you waer a welding mask
When performing overhead welding what additional safety equipment should be worn in order to protect the legs and feet from falling molten metal?
When welding one should always wear certain clothing. Leather boots (steel toe desirable), work pants (such as jeans) that cover the top of the boots, heavy cotton long sleeve shirt, welding beanie, gloves, and safety glasses. In most instances these items will protect you from sparks and weld spatter whether you are welding on a flat, vertical or overhead surface. A leather jacket can be worn to protect your shoulders and arms. Molten metal should not be falling if you are welding correctly. If you are sitting, while welding, a leather apron should be used.
What is the difference between WPS and PQR?
WPS is welding procedure specification while PQR is procedure qualification records is all about welding and denotes design when it comes to WPS and Mechanical testing of the design when it comes to PQR. WPS is the design of welding joint, process of welding, welding position, steel shape and material symmetry, speed of welding, welding electrodes and filler and many more welding parameters while PQR is a complimentary to WPS. PQR will be the one to be tested mechanically and will finally validate if the WPS viable design of welding.
What is the difference between pressure and fusion welding?
Pressure welding uses pressure to create the bond between two materials, while fusion welding relies on melting the materials to create the bond. In pressure welding, the materials are pressed together under high pressure, while in fusion welding, the materials are melted together through the application of heat.
Why is welding used?
When two pieces of metal are joined by welding they become one as if they were made that way. Welding replaced riveting and reduced the amount of metal used while producing a stronger joint.
What is the difference between arc welding and resistance welding?
Arc welding uses an electric arc to melt and join metal pieces together, while resistance welding uses heat generated by the resistance to electric current flow between two metal pieces to join them together. Arc welding is more versatile and can be used for various types of metals, while resistance welding is more suited for high-speed production and is commonly used in automotive and appliance manufacturing.
