![]() ![]() To find out how fast the tool could go without loading up, we just increased the speed until the chip load was simply too much. It always maintains a climb cut by pecking away at the material as to maintain a constant 45% engagement when cutting and never more. Note how the tool never cuts on both sides. On the third part, the tool broke due to excessive chip loading.Ī dynamic toolpath with core roughing passes turned on was used to rough out the next series of parts. Note how close to failure the tool is on the second part. 5", Depth of Cut, Zig Zag Pocket (Third Part) In our case, the third part failed at these settings due to excessive chip loading.Ĥ000 RPM, 15 IPM. This full depth of cut method cannot be used for more than a few parts. 5", Depth of Cut, Zig Zag Pocket - Successful Pocket 5", Depth of Cut, Zig Zag Pocket - Failure PointĪt 15 IPM, this pocket would cut successfully with a zig zag approach, albeit close to the failure point of the tooĤ000 RPM, 15 IPM. It was noted that at 30 inches per minute at a full depth of cut the tool would fail as soon as the cutter made a full material cut on both sides for any extended amount of time.Ĥ000 RPM, 30 IPM. Turn it up till it feels really funny, then back it up a notch!Ī Zig Zag toolpath was first used to see how fast this pocket could be milled out. We used the same methods any good mechanic would use to properly torque a bolt. They will also handle multiple entry points! ![]() The Victims: High Speed Steel 3/8" Two Flute End Mills.Īn old Leadwell VMC-25 with a slow Mitsubishi Meldas M50 Control.Īn open pocket was selected for this project to highlight how the 2D high speed toolpaths can handle open pockets with islands. Its acceleration and speed is no were near the performance of today's mid range or even low end machinery. This experiment was done on an older 1995 vintage low end vertical machining center. ![]() We will compare the results of this new toolpath as opposed to the age old Zig Zag toolpath.Ĭontrary to popular belief, 2D High Speed toolpaths are not just designed to run on "high speed" expensive equipment. In X4, they were augmented with an awesome pocketing procedure called dynamic pocket. I n Mastercam X3, 2D high speed toolpaths where introduced. ![]()
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