Vacuum reflow oven is to conduct high-quality welding for products in a vacuum environment to protect products and solder from being oxidized under the condition of vacuum, and to react the oxide of products and solder surface at the same time to improve the quality of welding surface and reduce the void rate of welding.
Generally used in aerospace, medical, automotive and other high-precision products.
Actually, vacuum reflow welding is also called vacuum reflow welding, which can be understood as vacuum reflow oven or vacuum reflow welding machine.
But it's a product.
Vacuum reflow oven adopts infrared radiation heating principle, with uniform temperature, ultra-low temperature, safe welding, no temperature difference, no overheating, reliable and stable process parameters, no complex process test, low environmental protection cost operation and other characteristics, to meet the needs of military products, small batch, high reliable welding, welding under vacuum conditions.
The large bubbles can be gradually moved to the outer edge of the pad to prevent spatter.
During welding and vacuum treatment, the assembly is fixed in a closed treatment chamber.
Conventional systems using vertical grooves require the circuit board to be transferred vertically to it during the liquid phase, forming a sealed chamber and then vacuuming.
This kind of welding system has a very good advantage on the product quality. Under this condition, vacuum reflow welding can effectively discharge the bubbles generated when the flux volatilizes in the solder, thus effectively reducing the void rate of the welding surface of the product, thus effectively improving the welding quality of the product.
Benefits of vacuum reflow welding:
1. Prevent or reduce the oxidation of solder and workpiece.
2. Reduce void rate.
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