1. #1
    I was thinking of getting a 60K rpm spindle for use at 20K rpm, because it should be more precisely made than one designed to run at 20K rpm. It should be a cheaper option than getting a European 20K rpm spindle. I want it to be water cooled because they are quiet.

    I am going to to be cutting 4mm phenolic plastic sheet with 2-3mm diameter cutters. I need the spindle to be quality enough not to cause the cutter to break from excessive vibration.

    Does anyone have any thoughts on my idea.

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