b'In the Groove groove/turn processes reduce cycleparticularly important during inter-time because metal removal ratesnal grooving operations.are usually a lot better than thoseIf you cant get the chips out of of that material out. Today, we wantachieved with plunging. the bore, White said, usually you to apply a groove/turn solution inWhenagrooveisverywide,will re-cut them, and then they will these cases. White warns that cutting it all atscar the surface.East said groove/turn operationsone time can put too much pres- Moreover, when a lot of chips ac-used to require two things. One wassure on the tool, causing deflec- cumulate, he said they can wrap that CAD/CAM companies had totion problems and even breakage.around a tool and break it.be pressed to create code for theSo in cases like this, he believes thatChip problems like these can be work. Also, he said a special type ofa better approach can be to em- prevented by improved coolant de-insert was needed, one with a chip- ploy a peck cyclein other words,livery, which is possible today thanks former on the front for plunging,making a couple of passes to depthto several developments. One is the plus a chipformer on each side forusing a tool thats thinner than theincreased coolant pressures pro-turning. groove, then moving the tool overduced by current machines. White With inserts like this, you cana little and doing the same again.said these pressures typically range plunge down and then start side- Besides going easier on the tool,from 300 psi all the way up to 1,000 turning to remove material as well,he said a peck cycle gives a chancepsi.he said. to flush out potentially problematicThat is a great advancement East said one reason to opt for achips. specifically for grooving, he said.groove/turn operation is that chipAnother is the variety of cool-control is easier when turning thanCool Developments ant-through tooling options avail-when plunging. In addition, he saidEffectivechipremovalisable. As the name suggests, this Mikron works with customers to produce the best solid-carbide grooving tools for applications.Mikron26AUGUST 2021Grooving.indd 26 7/19/21 11:10 AM'