BGA repair table wide variety, according to the degree of automation can be divided into three kinds: manual models, semi-automatic models, automatic models, the following Da Tai Feng technology to tell you about the following three models of BGA repair table.
1. Manual models
When BGA is affixed to the PCB, it is affixed to the screen frame on the PCB by the operator's experience. It is suitable for the repair of BGA chip with large spacing between BGA tin balls (above 0.6). Except that the temperature curve is automatically completed when heating, other operations need manual operation. The price of this kind of BGA repair table is generally within 3,000 to 10,000.
2. Semi-automatic models
Manual patching of BGA chip with BGA tin ball spacing too small (0.15-0.6) will cause errors, which is easy to cause poor welding. The principle of optical alignment is to use the optical splitting prism imaging system to magnify the welding spot of BGA and the welding pad of PCB, so that their amplified images coincide and the vertical patch will be placed, so as to avoid the errors of the patch. The heating system will run automatically after the patch is finished, and there will be a buzzer alarm when the welding is finished. The price of this type of model is generally between forty thousand and one hundred thousand.
3, fully automatic models
As the name suggests, this model is a fully automatic repair system, it is based on the machine vision counterpoint this high-tech technical means to achieve the fully automatic repair process, the price of this equipment will be relatively high, more than two hundred thousand is a normal price.
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