PCB News - Talk about why pcb assembly processing cost is very high

Talk about why PCB assembly processing cost is very high
Many customers in the PCB assembly processing industry may only have two words high or low for their suppliers’ quotations. This high or low may refer to the quotation given by the previous supplier or the current average price in the industry. Then in the one-stop service of PCB assembly foundry and material replacement, which part of the price is the highest, today, Baiqiancheng Electronics Editor will share with you:

To understand the part of Gao Zai, we need to decompose the entire package of labor and materials. PCB assembly means PCB assembly, so it must include circuit board light board and component welding (smt surface mount/DIP plug-in post-welding). Two parts, so the current price of light boards in our market is between 350-550, and the prices of components are basically open and transparent in major shopping malls, and can be compared for reference.

Since the main PCB circuit boards and components are not likely to increase prices in the dark, the cost is reflected in the assembly process. The main cost expenditures of this link are in the following four aspects:

1. Auxiliary materials: solder paste, tin bars, flux, UV glue, furnace fixtures;

The quality of solder paste and solder bars is the most important auxiliary material in the entire processing link. Generally, the price of domestic solder paste is 180~260/bottle, and the imported solder paste may be 320~480/bottle, so on the same soldering area, The price of imported solder paste is much higher, but the quality of soldering is very different. Jingbang Electronics always chooses KIKO solder paste imported from Japan.

2. smt patch processing

The price of SMD processing varies according to the number of points and packaging. Large quantity and high price are the consensus of the industry. The larger the component package size, the easier it is to mount, and the corresponding poor quality will be reduced. Therefore, there is more room for communication on the price.

3. Welding time fee after DIP plug-in;

Because the plug-in material link involves special-shaped parts and material forming, this link requires a lot of manual participation, because there is no reference to the PCB production capacity of machinery and equipment, this link is the link that is the most difficult to control. At the same time, labor costs remain high at present, and the cost of this link is generally high.

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

The test fixture currently ranges from tens to hundreds of dollars depending on the test difficulty, and the test of communication equipment requires the assistance of optical fiber, ICT and other test equipment. The corresponding labor and equipment loss need to be taken into account, but it will not be very high. Some companies even test it for free.