Video: 56-Percent Productivity Increase By Reducing Chatter
The video compares a milling pass that chatters to one that is stable. Because the stable speed permits greater depth of cut, productivity increases.
This video shows what chatter sounds like, and also what a stable cut sounds like. Chatter is the result of machining at a speed that is not stable for that particular combination of machine, toolholder and tool. BlueSwarf and Manufacturing Laboratories Inc. provided this video; these companies offers technology for identifying these inherently stable speeds for a particular setup. In the example shown, the chatter at 16,000 rpm limits depth of cut. However, finding a specific, inherently stable speed (in this case, 14,144 rpm) permits greater depth of cut. As a result, the slower spindle speed actually permits greater productivity.
Fast CNC processing and high-pressure coolant contribute to removing metal at dramatic rates. But what should a shop know about cutting tools in high speed machining?
Reducing cutting fluid use offers the chance for considerable cost savings. Tool life may even improve.
Combining a rotating tool with rotating work produces a machining operation that is distinct from standard turning or milling.