Grinding on a Swiss | Production Machining
15/11/2012#0183;#32;The available live tool rpm on Swiss screw machines is typically in the 5,000rpm range. His screw machines can handle a maximum cutting tool diameter of 30 mm ( inches). Spinning the 30mm tool at maximum rpm would produce only about 1,550 sfpm, while conventional wisdom says that most grinding operations require a minimum of about 3,000 sfpm. Not one to give up, Mr. Bonner