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Many customers in the PCBA circuit board assembly industry may only have two words high or low for the quotation given by the supplier. The high or low may refer to the previous quotation given by the supplier or the current average price in the industry. . If we want to know which part is high, we need to have an understanding of the entire PCBA labor and material package. PCBA assembly includes circuit board bare board, component procurement and component welding (SMT surface mount/DIP plug-in post-welding). Partly, the price of light boards on the market is between 360-480 yuan per square meter, and the prices of components are basically open and transparent in major shopping malls, which can be compared for reference. In addition to PcB circuit boards and components, the cost is reflected in the assembly process.

1. Auxiliary materials: solder paste, tin bar, flux, UV glue, furnace fixture

The quality of solder paste and solder bar is the most important auxiliary material in the whole processing link. Generally, the price of domestic solder paste is 180~260/bottle, and the price of imported solder paste may be 320~480/bottle. Then, on the same welding area, The price of imported solder paste will be much higher, but the difference in soldering quality is very obvious.

2. SMT chip processing

SMT chip processing will have a certain difference in price according to the number of points and the package. It is a consensus in the industry that large quantities and high prices are the best. The larger the component package size, the easier it is to mount, and the corresponding quality defect rate will be reduced. Therefore, there is more room for communication in terms of price.

3. Welder hours after DIP plug-in

Because special-shaped parts and material molding are involved, this link requires a lot of manual participation, and this link is the link with the most difficult cost control. At present, the labor cost remains high, and the cost of this link is generally high.

4. Assembly test: test fixture, test equipment, test man-hour

The price of test fixtures varies according to the difficulty of the test, and sometimes optical fiberICT and other test equipment are needed. The corresponding labor and equipment loss must be taken into account, but the test price is not very high; some companies even test for free.

The whole process of PCBA circuit board processing includes PCB processing, SMT placement, component procurement and inspection, SMT placement processing, DIP plug-in post-soldering, burning test, assembly and other processes. Through the above analysis, the most uncontrolled cost among the four major links is the welding time after DIP plug-in. Do you understand it? At the same time, if you want to know more about PCBA circuit board processing information, you can pay attention to the update of the printed circuit board encyclopedia website.

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