Thread: servo and spindle advice please
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	15-02-2021 #1hi i need some advice please 
 i am converting my denford cyclone lathe.
 it now runs using centroid acorn with cnc12 lathe .
 
 i am thinking of losing the stepper motors (8nm nema34) and using ac servo's with they're encoders.
 
 i have never done anything with servos before ,but i want the accuracy and don't want to lose steps like i occasionally do with the steppers.
 
 ive seen servos with drivers around £300 can anyone recommend some that will do the job and they're power please plus someone reputable to buy from.
 
 
 
 Also the spindle motor is a 4 pole 2.2kw 1:1 with the spindle via a belt.
 
 currently it is controlled by a cheap 4 kw hy vfd ,0-76 hz gives me 2200 rpm ,the motor has stalled in the past and not a lot of torque at lower rpm
 i would like to ridged tap in the future .
 
 so would a better vfd with senseless vector (yaskawa v1000) give me more power and enable ridged tapping ?
 
 Ive heard of servo motors being used for spindle drives would this work in my application if so recommendations on power and a seller
 
 cheers
 
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