2015年5月26日星期二


How to choose the BGA rework station ?
With the extensive application of BGA chip in computer motherboards , mobile phones, webcams, memory, television, communication products and other fields , bga rework station demand is also growing. Some friends who own repair shops often ask how to choose a suitable BGA rework station .
Although bga rework station price has been reduced to be acceptable, but bga rework station , after all, is an infrastructure investment, we should buy a useful and practical one.
Here we give some suggestions: .

Choose a good bga rework station , should mainly from the following point of view :
1. what you need.
Regular motherboards size determines the bottom preheating area of bga rework station, generally speaking, ordinary laptop and computer motherboard sizes are smaller than 370x400mm.
2. should know the maximum and minimum size of the soldered chip the size of the chip.Normally vendors will provide four top air nozzle, your largest and smallest chip size determines the size of the optional air nozzle .
3. The main power supply cable size generally are 2.5m2, repair shop in selecting the best bga rework station power not more than 5000W,.
4. The bga rework station should have the following features:
A. three temperature zones are necessary, including the top heating, bottom heating , infrared preheating zone. Two heating zones products available include only the head and infrared preheating zone heating , welding success rate is very low
B. the upper and lower heating head can be moved up and down, Its one of the essential functions bga rework station . When welding by a relatively large motherboards , the bottom nozzle will help to support, to ensure no deformation.
C. with intelligence curve setting function, to set the temperature curve is the most important aspect. If bga rework station temperature curve is set incorrectly, the success rate is very low. You can now appeared on the market a product of intelligent set temperature curve : Zhuomao ZM-R5860, temperature curve is very convenient.

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