In order to reduce the precession vibration and {HEAD ~ torsional vibration} of {TAIL ~ the flexible coupling} rotating at a high speed, it is important to minimize the backlash at the meshing portion of the gears 
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In order to reduce the precession vibration and { HEAD ~ torsional vibration } of { TAIL ~ the flexible coupling } rotating at a high speed , it is important to minimize the backlash at the meshing portion of the gears
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH