Projection Welding
Questions and Answers
Back up electrodes are used for projection welding electrodes. They are normally used on the lower side and are flat faced. There is no need for a defined weld face since the projection concentrates the weld current and heat into a desired spot for nugget creation.
Page 15 of 15
Have a Question?
Do you have a question that is not covered in our knowledgebase? Do you have questions regarding the above article? Click here to ask the professor.