Abstract
In this study, a vortex cup and non-contact gripping were considered with commercial specifications for large flat plate application. The stable gripping force range of the cup and non-contact gap that maintains balance between vacuum and thrust were examined numerically and experimentally. In the calculation model, a gripping force of 8 to 14 N and an effective non-contact gap of 0.7 mm were derived according to the flow rate (up to 4,38e-4 kg/s). In actual floating distance measurements using a displacement sensor, the average non-contact gap was 0.6 mm. Further, the flatness could be improved only when using an appropriate flow rate and adjusting the interval between cups. When the gripping force of the cup was greater within the non-contact possibility range than the weight of the sample, then the non-contact gripping of the large plates was considered efficient while ensuring adequate arrangement conditions.
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