... shafts, axle shafts, gear shafts, motor rotor, piston rod and gear selector forks JEC3000 Automatic Shaft Straightening Machine with up ... cam shafts, axle shafts, gear shafts, motor rotor, piston rod and gear selector forks. With features of high precision, easy ... more than one technological class. Its abundant and ocular man-machine interface and open technological condition to users, creating great ...