The circuit board is placed in the welding stage, the pins through hole components welding, choose appropriate spray tin, soldering start.
将电路板放置在焊台上，针对需要焊接的通孔元件管腿，选择合适的喷锡口，启动波峰焊接。
2
Through hole components welding using traditional manual welding or soldering. The circuit board surface mount components and through-hole components mixed together.
传统的通孔元件的焊接采用波峰焊或手工焊接。目前电路板上表面贴装元件和通孔元件混合在一起。
3
Strong rectangular frame fixed by screws, an inset hole every25 cm to fix the slotting auger, guard board, bunches of cables and circuit diagram sidekicks, etc.