Stud welding process comprises introducing a bolt into a workpiece by arc welding whilst removing gas from the welding region during welding

摘要

Stud welding process comprises introducing a bolt (1) into a workpiece (2) by arc welding whilst removing gas from the welding region (6) during welding. An Independent claim is also included for a welding device for stud welding. Preferred Features: A low pressure is produced in the welding region by suctioning off gas from the region. A protective gas is introduced into the welding region during welding.