Motherboard refurbishing machine,motherboard repair machine DH-390

Motherboard refurbishing machine,

motherboard repair machine DH-390

What is the specification of DH-390?

Total Power: 4800W / 4350
Top heater: 800W (hot air) / 450W (Infrared)
Lower heater: 1200W  Bottom heater: 2700W
power: AC 110V / 220V
Positioning: V-groove, PCB support
Temperature control: K Sensor, Closed loop
Temp accuracy: ±2 degree
PCB size: Max 390x370mm  Min 20x20mm
BGA chip size: 2*2~80*80mm
Minimum chip spacing: 0.15mm
Dimension: approx 560*490*580mm
Net weight: Approx 32KG

FAQ:

Why bga can't solder on pcb?

There are two factors: 

1. if Part of it can't solder, most likely that bga do not align with pcb perfectly.

2. if whole one can't solder, it is because heating temperature too low for it, you will need to 

raise temperature or prolong heating time.

 

What cause bubble on bga or pcb?

1, Moisture on pcb and bga will cause bubble when heating, so dry them with oven before soldering / desoldering.
2, Temperature too high for them. Lower temperature or shorten heating time.  

Can solder ball reuse?

Solder balls should not be used again once they touch flux. Because they will easily stick together once 

touch flux.

What is melting point of solder balls?

Lead solder ball: 180℃ - 185℃

Lead-free solder ball: 210℃ - 230℃

About Dinghua Technology!!!

Warranty and after-sale service:

1. We provide you the friendly English User manual for free.

2. Videos of operating the machine are available.  
3. 24 hours technical support by email or calling. We promise to response in 3 minutes, solve the    

 problems in 24 hours.

4. Warranty: 1 year free for the whole machine, 3 years free for the heaters and free life long for          technical support always. 

Why choose DingHua?

1, Well-equipped manufacturing facility.

2,Professionalism innovative R&D team, provide professional service for bga rework station solution.

3,Optimum performance,precision temperature control to ensure high rate of success for S&M. As we know,  the performance of bga chip soldering and desoldering highly depends on the precise of the temperature. Our bga machine use PID control,the data acquisition frequency of our machine is 10ms(which means every 10ms the PID will grab the data to correcting the temperature), but among the bga rework station industry, most of company just use the PID grab freqency is 30ms.

4,International quality standard range,all our product have got the CE,  ISO9001,ROHS approval.

5,Competitive price. All our machine material select from world class brand (like Omega,SMC,CNB,GS, which ensure safety,convenient speedily operation.

6,Customized packaging and Fast delivery via Fedex, DHL, UPS, EMS, TNT and so on. Generally goods can be ready in 7 days after the receipt of the payment.

7,We supply 1 year warranty for this BGA rework station , in the first year, offer spare parts for free,  and the heating colil is for three year warranty. Life long technical support.