Now plug-in lamp beads and chip lamp beads are required to be reflow welded, so the lamp beads can basically be under 240 ℃.If the LED lamp bead is reflow welded, the reflow temperature must be set, o

1. The primer is too thick, which leads to leakage.2. For example, when the lamp bead is welded, the improper operation of the wire welding machine causes the excessive pressure when the magnetic nozz