... tube diameter7/2 inchesNeedle number72-240 needlesRotate speed260-350 R.P.MMotorAC servo motorServomotor1.0KVAbsorb breeze motor0.75KVUsage electric ... , a small rotation angle, faster, higher efficiency, this machine is a dedicated lift pin holder and no abrasion, not ... reduce the spinning nozzle blockage caused by injections. The machine also uses a reasonable silk waste recycling, two filters allow ...