An article written in the January 1971 issue of Modern Machine Shop was titled "Why are they hand scraped?". It's old but still valid today. If you cannot locate it, I can fax it to you, but I would need your number.
We are a machine tool manufacturer that has trouble with getting cut metal chips down into the customers floor sluice. We basically have a sloped (4 sided) chute in our machine base that might get grease on it and hence, chips stick and build up to bad proportions. I'm looking for a way to clean...