BGA rework stations are indispensable tools in the realm of electronics manufacturing and repair, especially when dealing with the intricate task of reworking and repairing Ball Grid Array (BGA) components on printed circuit boards (PCBs). Given the distinct challenges posed by BGAs, characterized by an array of solder balls beneath the component, specialized rework stations are crucial for achieving precision and reliability in the rework process.
A paramount feature of BGA rework stations is the Hot Air Rework System. This system utilizes precisely controlled hot air to initiate the melting and reflow of the solder balls beneath the BGA component. The design of the hot air nozzle is critical to ensure uniform heat distribution across the entire BGA, thus facilitating proper solder reflow without compromising the integrity of the PCB or the BGA itself.
Temperature control is of utmost importance in BGA rework, necessitating the capability to set and maintain temperatures within a specific range. This not only prevents damage but also contributes to the overall success of the rework process.
Advanced BGA rework stations often integrate Infrared (IR) heating alongside hot air capabilities. IR heating is employed to preheat the entire PCB uniformly, mitigating thermal stress on the components and enhancing the overall reliability of the rework. This element works with the hot air nozzle to achieve consistent heating from both the top and bottom of the BGA, reducing the risk of warping or damage to the PCB.
All machines come fully self contained with their own internal air and vacuum unless otherwise specified.
The Zhuomao ZM-R7830A BGA Rework Station represents the
pinnacle of Nitrogen Capable Rework Systems. Its high-end capabilities are
particularly noteworthy for optimizing yield in Lead-Free Solder scenarios and
no-clean processes. This cutting-edge system excels in placing SMD components
of considerable size, up to 80mm, owing to its advanced high-resolution
motorized vision system.
A noteworthy inclusion in high-end BGA rework stations is a Vision System. This system aids operators by providing magnification and assisting in the meticulous inspection of the BGA and surrounding components. This visual feedback is invaluable for ensuring precise alignment during the rework procedure.
Interchangeable nozzles are a practical feature, allowing the rework station to accommodate various BGA sizes and shapes effectively. This adaptability ensures that hot air is directed accurately to the targeted area.
The Zhuomao ZM-R7220A boasts a high-resolution Hot Air
Rework System that stands out for its ability to precisely place even the
smallest SMD components, accommodating sizes as diminutive as 2mm.
For enhanced precision in BGA component handling, some rework stations incorporate a Vacuum Pickup System. This system facilitates the lifting and placement of BGA components, minimizing the risk of damage during removal and replacement.
To manage the post-reflow phase, a cooling system is often integrated, promoting gradual cooling of the solder joints and mitigating the risk of thermal shock to the components.
A stable and adjustable PCB holder or clamp is a fundamental component, providing a secure foundation for the PCB during rework. This stability ensures that the PCB remains stationary, enabling precise control throughout the rework process.
Finally, a user-friendly interface featuring programmable settings and profiles enhances operational efficiency and repeatability. When selecting a BGA rework station, it’s essential to consider specific application requirements, BGA sizes, and the level of precision needed for the task at hand. Training and adherence to safety guidelines are paramount to successful BGA rework operations.
The Zhuomao ZM-R730A BGA Rework Station stands as a
top-of-the-line rework system, showcasing exceptional capabilities in the realm
of electronic components rework. Great for larger boards up to 632mm wide.
The Zhuomao Zm-R8650C is a fully automatic visual alignment BGA rework station.
It is suitable for automatic visual placement of large PCB boards (such as 5G communication boards), several components packaging, automatic welding and automatic desoldering.
It can be combined with SAP/ERP to realize the temperature curve analysis with S/N as retroactive condition.
The ZM-R7830A BGA Rework Station stands out as a top-tier
Nitrogen Capable Rework System, proving particularly advantageous for elevating
yield in Lead-Free Solder applications and no-clean processes. This advanced
system is adept at placing SMD components of up to 80mm in size, thanks to its
high-resolution motorized vision system.
Power: AC 380V, 50/60Hz
Total Power: Max 6800W
Heater Power: Top heater 800W, bottom 800W, IR 5000W
Control System: Servo Drive system (Panasonic) + Panasonic PLC + 8” Touch screen.
Temperature Control: K-type (Closed Loop)
Positioning: V-groove, PCB support + laser automatic positioning.
PCB Size: Max 470×550mm, Min 15×20 mm
BGA Chip Size: Max 80×80mm, Min 2×2 mm
Dimensions: L890×W790×H1000mm
Sensors: 4
Weight: 140kg
With three independently controlled temperature zones, the
system enables convenient and swift programming of temperature parameters. The
top zone utilizes ceramic heaters, employing a built-in vacuum tube for chip
adsorption. The electric control system facilitates 360-degree rotation
alignment, featuring pressure protection, dual over-temperature protection, and
alarm functions. The software design incorporates encryption and fool-proof
mechanisms.
A bottom heating system adopts a medium-wave ceramic
infrared heating plate from Germany. This allows independent heating of the
bottom temperature zone with adjustable distance from the PCB. The system
excels in fast temperature control accuracy, effectively addressing PCBA
preheating and rework temperature challenges.
Featuring an HD Optical Alignment Module, the system
includes an imported HD CCD (2M pixels) optical alignment system. The PC
control system automates X/Y movements for optical lens alignment. The setup
comprises a 15" HD industrial display (1080P 16:9) and an 18.5" SD
display for operation. An automatic feeding device is incorporated for seamless
feeding and receiving
5 pcs nozzle set.
2 different size component pick up tubes.
Online training videos.
On-site installation & training are available for an additional fee.
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