During in-mold labelling applications, the label can be attracted or repelled from the surface of the mould dependant on what charge is on either surface. The robot arm will pick the label and position the label.
If the label is the same polarity as the surface of the mould, the label will be repelled from the mould and rejected. If the label is of the same polarity, the label can be attracted from the robot arm and misaligned.
By neutralising the mould pr?or to the label being applied you will have a neutral surface to position your label onto. Then using a PULS Electronic generator and charging head (fitted to the robot arm) you can use the static charge to stick the label into position.
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