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04-01-2019 #15
Old DC SEM motor Top 2500rpm & 3.4NM torque
and new AC Servo bellow it = 4.0NM torque.
Also note difference in shaft length.
Z axis mounting bracket part of head casting
compared to motor front plate (note raised centre boss).
AC servo in place, showing boss interfering with fit.
Z axis pulley, above spindle ( looks a pig to change out)
original pulley as fitted to SEM motors.
pulley disassembled.
Spindle motor. although it shows Star / Delta link positions, there is no terminal block inside housing.Last edited by swarf-boy; 05-01-2019 at 12:08 AM.
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