Summary for edm cutting stains Discussion
The focus keyphrase "edm cutting stains" fits this thread about thin 1 mm carbon steel parts coming out of submerged wire EDM with localized staining or discoloration. James Mech asked what the marks are and whether a chemical process could help remove them alongside media blasting, since blasting alone works but is slow. The excerpt provided does not include any replies, so no named answerer offered a solution in the visible text. Based on the question alone, the issue appears to be surface staining after EDM rather than a dimensional problem, and the only confirmed cleanup method mentioned is media blasting. Because the thread excerpt is incomplete, no specific chemical treatment or cause can be attributed from the source shown.
Q. Hi,
I am making thin parts (1mm) with carbon steel material via submerged wire edm. The parts come out with staining in places. I clean these off with media blasting which works mostly okay. I am trying to streamline this process (to fully remove the staining via blasting takes quite some time). I was wondering if someone could explain what these marks are exactly and if there was a chemical solution/process that I could also use in conjunction with the media blasting, i.e., media blast the parts and, if necessary. chemically treat them..
many thanks,
James Mech
product designer – London, UK
July 15, 2012