HWASHI WL-AMF-100S Stainless Steel Sink Seam Welding Machine The WL-AMF-100S keeps the welding head fully automatic but leaves loading to the operator. For small and mid-size sink shops this is the lowest investment way to get a repeatable seam instead of hand TIG welding. Key Features 100kVA power supply: Enough capacity for 0.6-1.2mm stainless bowl bodies with a short, concentrated arc. Automatic seam travel: The operator loads the bowl, the head travels the seam without