... : 1 Automatic Spiral & half spiral phosphor coating machine with heads rotation Descriptions:Phosphor coating for T2, T3, T4, ... .Fully automatic procedure in the sequence of filling ration phosphor, rotating tubes forward and backward, blowing continuously and ... panel.Filling ration phosphor and rotating uniformly make even coating without heaped phosphor, saving over 25% phosphor, and improving 2 ...