UNIQUE AUTOMATION LIMITED
UNIQUE AUTOMATION LIMITED Our main products : Wave solder, Reflow oven, PCB loader unloader, PCB conveyor, Laser makring machine, Solder paste printer, and other SMT euiqpment.
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Automatic 200W Selective Soldering Machine Lead Free SMT SAS 250
Lead Free SMT SAS-250 Automatic Online Selective Soldering Machine
Specification of Selective Soldering Machine SAS-250
| Size | 1000L*1135W*1156H (mm) |
| Machine frame and cover | Aluminium extruded sections frame + Door |
| Operating height | 900±20mm |
| Weight | Approx.250KG |
| PCB parameter | |
| PCB size | Max:330(L)*250(W)(mm) |
| Top component height | Max150mm |
| Bottom component height | Max50mm |
| PCB Weight | Max10Kg |
| PCB Process Edge | ＞3mm |
| Selective spray system | |
| Spray movement mode | PCB movement in XYZ axis |
| Movement mode | Servo motor + linear rail |
| Solder feeding mode | Manual( Option: auto) |
| Solder capacity | 16KG |
| Solder melting time | 20min |
| Solder power | 3KW |
| Solder nozzle size | Standard D8mm, other sizes is option |
| Solder cycle time | 3 Sec/ soldered dot |
| Temperature control mode | PID+SSR |
| Temperature setting range | Max400C |
| Temperature accuracy | ±1C |
| Waver height | Max 5mm |
| Welding precision | 0.1mm |
| Solder dross | 0.2Kg/8H(Not N2 protection ； 0.01Kg/8H( N2 protection) |
Information of Selective Soldering Machine
Selective soldering machine and traditional wave soldering, the most obvious difference between the two is that in traditional wave soldering, the lower part of the PCB is completely immersed in liquid solder, while in selective soldering machine, only part of the specific area is in contact with the solder. During the soldering process, the position of the solder head is fixed, and the manipulator drives the PCB to move in all directions. Flux must also be pre-applied before soldering. Compared with wave soldering, the flux is only applied to the lower part of the PCB to be soldered, rather than the entire PCB.
Selective soldering machine adopts the mode of applying flux first, then preheating the circuit board/activating flux, and then using the soldering nozzle for soldering. The traditional manual soldering iron requires point-to-point welding for each point of the circuit board, so there are many welding operators.
Pictures of Selective Soldering Machine SAS-250