PCBA washing process and process principle
Principle of PCBA online washing process
Components controlled by the speed of the conveyor belt are continuously on the conveyor belt and the production cycle time is uninterrupted cleaning method. It is suitable for the cleaning of large quantities of PCBA, and completes all processes of water-based cleaning, water-based rinsing and drying online through different cavities.
PCBA online washing process
Into the board → chemical pre-washing → chemical cleaning → chemical isolation → pre-rinsing → rinsing → spray after Z → air cutting drying → drying
PCBA online cleaning process
Principle of ultrasonic cleaning process
The batch cleaning process is the cleaning of multiple components in a controlled production time period or different batches of a component. In the batch PCBA washing process, ultrasonic cleaning is the most common cleaning method.
Ultrasonic cleaning process:
Features of ultrasonic cleaning process:
The whole process of water-based cleaning, water-based rinsing, and drying is completed in one or more chambers; it can be used to clean the assembly structure with low support height and narrow bottom gap; the cleaning effect is optimized near the optimum temperature for the effectiveness of ultrasonic waves.
Advantages of PCBA Washing Process
- Safe operation, non-flammable and non-explosive
- Use economy
- Good compatibility with substrates and wide cleaning range
- Material safety and environmental protection
- It has the joint effect of multiple cleaning mechanisms
- Flexible process options
you can also choose a set of smt line including reflow oven, stencil printer, smt pick and place machine meets your need . like qihe qm61 series .
Q4 SMT pick and place machine 4heads 50slots With PCB Rail Servo Pick&Place Machine
RF8835LS up8/down8 Zones Reflow Oven solder welding
TVM802B Plus SMT pick and place machine 2heads 58slots desktop pick&place deluxe edition
QM10 SMT pick and place machine 10heads 80slots Fully Automatic Chip mounter SMT Assembly
TVM802BX SMT pick and place machine 2heads 46slots desktop pnp mounter deluxe edition
QL41 SMT pick and place machine 4heads 8slots LED for 1.2meters led strip pick&place machine
QM81 SMT pick and place machine 8heads 80slots Fully Automatic Chip mounter SMT Assembly
TVM802AX SMT pick and place machine 2heads 29slots desktop deluxe edition SMT Pick&Place Machine
QM61 SMT pick and place machine 6heads 63slots Fully Automatic Pick&place machine SMT Assembly chip mounter
WHAT IS SMT ASSEMBLY LINE？
With the development of technology, future electronic products will be lighter, smaller and thinner. Traditional assembly technology can no longer meet the requirements of high-precision and high-density assembly. A new type of PCB assembly technology-SMT (Surface Mount Technology) has emerged. SMT Assembly is the use of automated machines to assemble electronic components on the surface of the circuit board. Its density, high speed, standardization and other characteristics occupies an absolute advantage in the field of circuit assembly technology. In addition, SMT assembly has a wide range of uses.
WHAT IS SMT pick and place machine？
SMT (Surface Mounted Technology) is a comprehensive system engineering technology, which covers substrates, design, equipment, components, assembly processes, production accessories and management. When it comes to SMT pick and place machines, the automatic SMT production line requires automatic loading and unloading machine, automatic solder paste printing machine, placement machine, reflow soldering machine, AOI inspection equipment, connecting table, etc. For these SMT assembly line equipment, Qihe SMT can offer you machines in prototype SMT line, small SMT production line, mass production SMT line at low SMT line cost. Contact us now if you are interested.
WHAT IS SMT PROCESS？
There are mainly three steps in SMT assembly line process flow： solder paste printing, components placement and reflow soldering.
- Solder Paste Printing
Its function in SMT line process is to print the solder-free paste on the pads of the PCB to prepare for the soldering of the components. The equipment used is a screen printing machine, located at the forefront of the SMT production line.
- Components Placement
Its function is to accurately install the surface mount components on the fixed position of the PCB. The equipment used is a placement machine, located behind the screen printing machine in the SMT production line.
- Reflow Soldering
Its function in SMT manufacturing line is to melt the solder paste so that the surface mount components and the PCB board are firmly bonded together. The equipment used is a reflow oven, located behind the placement machine in the fully automatic SMT production line.