12-09-2013, 10:14 AM
For larger diameter stock you really need a wider parting tool so that it is sufficiently rigid to avoid that effect. If the tool is sharp and wide enough it shouldn't be an issue. Flood coolant also helps not only to keep the job and tool cool, but lubricate the chips and wash them out of the progressively deeper groove.
Andrew
Andrew
Andrew Mawson, proud to be a member of MetalworkingFun Forum since Oct 2013.