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Mobile Phone Industry | Heating Platform Application
Industry Introduction
Digital constant temperature heating platforms are indispensable auxiliary equipment for smartphone mass assembly, after-sales fault repair, foldable screen maintenance and motherboard rework. With uniform, stable and adjustable heating temperature, it softens various structural adhesives, balances board temperature and reduces thermal shock to tiny electronic components, effectively lowering scrap rates and improving operating efficiency for mobile OEM factories and repair stores.
4 Core Application Scenarios
1. Foldable & Straight Screen Separation and Disassembly
Set the heating temperature at 75–90°C to evenly heat the phone frame and screen assembly. The constant heat melts waterproof double-sided adhesive and OCA optical glue between the screen and middle frame. Technicians can safely pry apart cracked, faulty or aged screens without bending the fragile flexible OLED screen or shattering rigid glass panels, greatly cutting screen breakage loss during disassembly.
2. Motherboard BGA Chip Rework & Preheating
Place the whole phone motherboard on the anti-static heating table and preheat the base to 120–140°C before hot-air gun desoldering of CPU, power IC and memory chips. Overall balanced heating eliminates huge temperature differences between the PCB substrate and solder balls, preventing multi-layer board delamination, copper foil peeling and pad falling off, which is critical for repairing water-damaged or crashed mainboards.
3. Safe Lithium Battery Replacement
Heat the back cover or battery compartment area at 80°C to soften the strong battery fixing adhesive. Slow, uniform heating avoids overheating the lithium battery core (a major fire risk from local high heat). The adhesive becomes soft enough to lift the battery tab smoothly, preventing battery puncture, bulging or thermal runaway during battery swap for old and bloated phones.
4. Back Cover & Internal Component Refitting
For glass back cover disassembly, heat the rear shell evenly at 85°C to dissolve edge sealing glue; for internal parts like wireless charging coils, vibration motors and camera brackets, low-temperature heating activates adhesive for re-sticking and positioning. It is also used for preheating when modifying internal cooling structures of gaming phones, ensuring tight bonding of heat dissipation sheets.
2 Practical Real Landing Cases
Case 1: National Chain Mobile Repair ChainA large domestic mobile repair chain equips each workshop with 400×600mm precision heating platforms. When repairing foldable phones, stable 85°C heating realizes flexible screen zero-break disassembly. Daily foldable screen repair output rises from 35 units to 82 units per workshop, with repair material waste reduced by over 70%.
Case 2: First-Tier Mobile Brand OEM Factory processing factory adopts 300×300mm ESD heating tables for CPU BGA rework. Preheating stabilizes the whole board at 130°C before desoldering. The defective scrappage rate of repaired mainboards drops sharply from 7.2% to only 0.8%, saving massive costs on discarded circuit boards monthly.
