Inert welding

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Inert welding

Nitrogen welding can reduce the cost of tin slag, but the user must bear the cost of nitrogen and the advance investment of transportation system. The tradeoff between these two factors is usually needed, so it is necessary to determine the cost of reducing maintenance and the cost of reducing defect rate due to better solder joint wetting. In addition, the low residue process can also be used. At this time, there will be some flux residues left on the board, which are acceptable according to the product or customer requirements. Users such as contract manufacturers do not have a general control over the design of the products they weld, so they need to seek a wider range of processes, which can be achieved by using corrosive fluxes and then cleaning. Although there will be an initial equipment investment, in most cases this is the lowest cost method, because the products from the production line are of high quality without rework.

productivity

Many users use automated online devices for manufacturing and assembly seven days a week. Therefore, the problem of productivity is more important than before. All equipment must have the highest possible normal operation time. The MTBF (mean time between failures) and MTTR (mean time to repair) of each system must be considered when selecting wave soldering equipment. If a system with a raised panel, a foldable back door, and a fully operable desk access door has high maintainability, it can achieve a lower MTTR. Similarly, consider reducing the maintenance of solder modules and flux applicators to achieve shorter maintenance times.