Thread: Diy Brushless Spindle
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20-09-2011 #3
The thing to do with your collection of spindles is index them ... rotary table on the Z-axis with the spindles each mounted 72° apart then just spin it to the one you want - like on a CNC lathe. That basically gets you an automatic tool changer. The only potentially difficult bit is locking the rotary table automatically...and maybe the wiring! Hmm you've given me a project now, as if I didn't have enough to make! Use some sort of rotary switch, or just 5 microswitches to activate each spindle automatically. Even snazzier is if the motors are similar you can use one ESC for the lot, and a bunch of relays to switch between spindles...
I should probably use mine more now I'm almost invariably cutting aluminium on my router. It's only 6000rpm (allegedly 6kW) though which is about half what I'd like...
How much difference do you think using the two double row bearings made versus one? Mine has one double row and something like (can't remember) 5 standard bearings.Last edited by Jonathan; 20-09-2011 at 07:08 PM.
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