Advantages and disadvantages of reflow machine and wave-soldering machine.

Advantages of reflow welding machine compared with wave-soldering machine:

Equipment advantages:

(1) Reflow welding equipment is smaller because the printing press and reflow furnace are both small, so only a small area is required;

(2) The machine is completely closed, clean, no odor in the production workshop;

(3) Easy management and maintenance of reflow welding equipment.(maintenance of wave soldering fixture)

Technological advantages:

(1) Simple operation of process flow and equipment;

(2)PCB layout design does not need special consideration like wave soldering process;

(3) Defects such as virtual welding and tin connection are few, repair rate is low, wuxi slag;

(4) Good through hole reflow welding quality, the defect rate PPM(defect rate per million) is lower than 20;

(5) Special template shall be used for backflow, and the temperature of each welding spot can be adjusted according to needs;

(6) the printing template is adopted in the printing process, and the temperature of each welding spot and the amount of solder paste can be adjusted according to needs.

Disadvantages of reflow welding compared with wave soldering:

(1) The price and cost of solder paste and solder bar are higher than that of wave soldering;

(2) Specific templates are needed, which are relatively expensive, and each product needs a set of printing templates and reflow soldering templates;

(3) Through hole reflow welding may damage elements that are not resistant to high temperature