The temperature of reflow soldering equipment should follow the requirements of solder paste.

Solder paste manufacturers usually provide quite wide window time for each stage of reflow curve: preheat and constant temperature time 120 to 240 seconds, reflow time 60 to 120 seconds / liquid above.

We discovered that a median overall heating time of four to four 1 / 2 minutes (240-270 seconds) is a good, surprisingly conservative estimate.

For this simple calculation, we suggest that you ignore the cooling link of welded profiles. Cooling is important, but generally does not affect the welding quality unless the PCB cools too fast.

I.C.T is a manufacturer of SMT machines. It mainly provides customers with SMT production lines including SMT Stencil Printers,  Pick and place machines, Reflow Oven, AOI Machine, Wave Soldering Machine and PCB Handling Machine etc. I.C.T has more than 25 researches on SMT and DIP technology,  for the world Customers provide SMT total solutions. There are successful cases of SMT technical team in Asia, Europe, America, Africa, and Australia.

I.C.T provide SMT solutions at various stages according to the different needs of customers. I.C.T is not only a provider of SMT equipment and technology, but also is the customer's escort in the field of SMT and DIP.

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