Vibration end mills

2016-02-15

Because there is a slight gap between the milling cutter and the holder, so the processing tool vibration phenomena may occur. End mill vibration causes uneven circumferential edge of cut, and cut expansion ratio of the original value increases, affect the machining accuracy and tool life. But when the machined groove width is too small, the tool may be purposefully vibration, to achieve the desired cutting width by increasing the amount of expansion, but the maximum amplitude of the end mill should in this case is limited to 0.02mm or less Otherwise, it can not be stable cutting. In the normal process of vibration cutter neutral as possible.

When the tool vibrates, should consider lowering the cutting speed and feed rate, as both are still big vibration reduced after 40%, you should consider reducing the amount of cut.

Such as the processing system in the resonance, the reason may be the cutting speed is too large, the feed rate is small, less rigid tool system, the workpiece clamping force is not enough and the shape of the workpiece or workpiece clamping method due to other factors, and you should be taken to adjust the cutting The amount of added tool system stiffness, improve feed rate and other measures.

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