| dc.description.abstract | In this study, ultrasonic-assisted grinding was applied on AGC glass to conduct a series of processing parameter experiments and to discuss the influence of various grinding parameters on machining quality characteristics. This research was carried out by ultrasonic vibration tools to grind the AGC glass. Various grinding processing parameters such as ultrasonic power level, feed rate, cutting depth and spindle speed on grinding AGC glass were discussed. Several machining characteristics, including surface roughness, processing depth and outlet chipping, were measured, observed discussed. The lower surface roughness, outlet chipping and more precise processing depth can expect to be obtained. In addition, the microstructure of the specimen surface was observed with SEM and confocal laser scanning microscope. The microstructure of the grinding wheel surface was also observed with SEM and EDX to analyze the composition after machining grinding processes.
The experimental results show that ultrasonic vibration can reduce brittle fracture surface pits and produce ductile grinding marks when conducting ultrasonic assisted grinding. The results also show that the best surface roughness Ra 0.548 μm, smaller outlet chipping and more precise processing depth can be obtained under ultrasonic power level 2, feed rate 50 mm/min, cutting depth 0.005 mm and spindle speed 8000 rpm. By means of the observation of the grinding wheel surface after grinding processes with SEM. The tool wear is due to abrasive particles of the grinding wheel fallen off during the process. In addition, no glass debris were found on the surface of the grinding wheel after machining grinding through EDX element composition analysis. | en_US |