In {HEAD ~ rough grinding}, the servomotor 19 and {TAIL ~ the servomotor} 27 are synchronized according to profile data PFD shown in FIG 10 
In { HEAD ~ rough grinding } , the servomotor 19 and { TAIL ~ the servomotor } 27 are synchronized according to profile data PFD shown in FIG 10
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH