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Reflow Oven Soldering Process
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How Does a Reflow Oven Work |
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The reflow soldering process is a surface-mounted board, and its process is more complicated which can be divided into two types: single-sided mounting and double-sided mounting.
A single-sided mounting: pre-coated solder paste ¡ú patch (divided into manual placement and machine automatic placement) ¡ú reflow soldering ¡ú inspection and electrical test.
B double-sided placement: Aside pre-coated solder paste ¡ú patch (divided into manual placement and machine automatic placement) ¡ú reflow soldering ¡ú B side pre-coated solder paste ¡ú placement (divided into manual placement and machine automatic placement) ¡ú reflow soldering ¡ú inspection and electrical test.
The simple process of reflow soldering is "screen printing solder paste-patch-reflow soldering, the core of which is the accuracy of the screen printing. For the patch, the yield rate is ***ermined by the machine's PPM. The reflow soldering is to control the temperature rise and high temperature. And falling temperature curve.
What is a Reflow Oven?
A reflow oven is an indispensable machine in the SMT production line. It is mainly used for soldering circuit boards with mounted components. The solder paste is melted by heating to fuse the chip components and the circuit board pads. Then the solder paste is cooled by a reflow oven to cool the components and the pads which are cured together. A reflow oven is a kind of machine that is completed by soldering the parts on the PCB board through reflow soldering.
How Does a Reflow Oven Work?
A. When the PCB enters the heating zone, the solvent and gas in the solder paste evaporate, and at the same time, the flux in the solder paste wets the pads, component ends, and pins. The solder paste softens, collapses, and covers the solder pad. Isolate the pads and component pins from oxygen.
B. When the PCB enters the heat preservation area, make the PCB and components fully preheated. It can prevent the PCB from suddenly entering the welding high-temperature area and damaging the PCB and components. |
| Company: |
HangZhouTronstol technology Co., Ltd
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| Contact: |
Mr. Jemma zhang |
| Address: |
4th Floor, Building 5, No. 2, Huayi Road, Yuhang Street, Yuhang District, Hangzhou, China |
| Postcode: |
311121 |
| Tel: |
86-571-26265158 |
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