PCBA SMT soldering for 4-layer PCB board with SMD THT components on both sides

1.PCBA SMT soldering process in HopetimePCB
--After one step has finished,The releated person will signed it in our system,and then next step will be in charged by our other colleague.
--The production process map will be clearly displayed in our system,Every releated person will be knowing the production status in mind and arrange their job. 

Figure 1:That's how we arrange the PCB SMT Soldering,we will follow the manufacturing process step by step,And each step situation is updated in our system after it's been done
More details click at here:What is the PCB assembly manufacturing process?

Figure 2:SMD for two sided boards or Thru-Hole Placement
--In this case,the side with the fewest and smallest components is stenciled and reflowed first. Once the board is out of the reflow oven it is stenciled on the second side, placed, and reflowed. The surface tension of metal is very high and holds everything in place. In factories with larger, more complex assemblies various bits of the board may be glue in place during the pick and place step to insure the component doesn’t move during reflow.
--We will present the first prototype to customer for verification

2.Company tour:

Production equpiments below for total:

--5 SMT Lines 

--4 DIP Lines

PCB Assembly equipment includes:

 1.Solder Paste Printing machine

 2.Solder Paste Inspection (SPI) machine

 3.Glue Dispensing machine

 4.Pick-and-Place machine

 5.Reflow Soldering machine

 6.Wave Soldering machine (for through-hole components)

 7.Automatic Optical Inspection (AOI) machine

 8.In-Circuit Test (ICT) Fixture

 9.Functional Validation Test (FVT) Fixture

10.Automatic PCB plate splitting machine

11.Others

3.Click at here for more PCB/PCBA Projects