... goods.2. Using PLC system control, meanwhile, adopts human and machine are cooperate, then complete. ... Through servo feeding control system; ultrasonic has ... ), filters (SMC), PLC (Japan PANASONIC), man-machine interface (SIEMENS, Germany) Modeloutput powerFrequencyvoltagehorn journeyoscillatory systemoutput timeAS0062000W20KHz220V80mmautomatic ...