Practical Considerations for Welding Aluminium - Flipbook - Page 9
Preparation, Cleaning & Tools
▪ Parent material - removal of oxide film
▪ Primary source of hydrogen
▪ Thoroughly de-greased where practicably possible
▪ De-greasing agent or solvent
▪ Oxide removal by mechanical means
▪ Dependant on component size and wall thickness
▪ Scraping – scrapers, rasps
▪ Routers
▪ Mechanical wire brushes (stainless steel)
▪ Inter-pass cleaning and 8back chipping9
▪ Power saws
▪ Milling blades
▪ Mechanical wire brushes (stainless steel)