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21-07-2009 #1
Excuse me, My point had to do with the expected life of the motor under the conditions it was designed to be used in, verses the life expectancy of the application to which is suggested in this thread. In practice the component that fails is the bearing at the business end of the motor.
I modified the base of a B&Q 1020W router (£25) for use as my RockCliff spindle. After more than 100 hours of use, my router ground to a halt with a failed bearing. I was somewhat surprised when looking for a replacement that the 6003ZZ bearings are typically rated for 22000 RPM in grease and 28000 in oil. The max speed for the router is 34000!.
I've attached the 3d dxf of the modified base for your amusement. Please don't ask for g code. My final design removed material around the base to lighten it considerably.
I better stop here -- this is getting waay off topic!Last edited by templecorran; 21-07-2009 at 10:14 AM.
Templecorran
Where the Light was kept during the Dark Ages
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