Machining center to remove tool lines

1. Q: did you change a tool or check your tool holder
this situation rarely occurs in general machining centers
(the number of revolutions is higher than your usual limit)
(fixture)
(tool wear before machining)
please explain the details, only according to the above points (vibration, wear) W18Cr4V W6 w9 or explain the tool

first of all, the stiffness of the tool clamping system should be eliminated, and the same proct should be processed by changing the table. If the above phenomenon still occurs, the following factors should be considered. Because of the hard material of the workpiece, the improper selection of cutting parameters and the reliability of workpiece positioning, there will be the phenomenon of tool vibration. If the single piece is proced in small batch, the stiffness of the process system can be improved by ensuring the reliable positioning of the workpiece, recing the spindle speed and cutting back. In case of mass proction, arrange annealing process to ensure the hardness of workpiece in a reasonable processing range.

2. Side wall or bottom? Generally, the reason for overcutting at the feed point is that the tool is too long and the workpiece shakes too much just after contact. It's better to slow down the feed speed properly. It's really not good. You can try to feed at the R angle instead.

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5.

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