One-side single open kettle mouth with tin overflow mouth length
A technology of overflowing tin and one side, which is applied in the direction of assembling printed circuits with electrical components, can solve the problems of low work efficiency, easy formation of joints, unsuitable for large-scale batch processing, etc., and achieve the effect of ensuring sufficiency and firmness
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[0012] As shown in Figure 1, a single-opening spout with a long tin overflow spout, the spout is rectangular in shape, and at least one tin overflow spout 1 is arranged on the long side of one of the sides of the rectangle. The tin opening 1 is a rectangular opening with a depth of 2-8 mm.
[0013] As shown in FIG. 2 , the spout of the present invention is mainly applied to the welding of electronic components 3 with long single-row leads. According to the distribution of the lead wires to be welded on the PCBA board 2 and the distribution of the electronic components 3 near the spout, the overflow tin opening 1 on the long side of the spout is reasonably set: for the welding of continuous long single-row leads, the pots at the corresponding positions A long tin overflow port 1 is provided on the mouth, and for the welding of discontinuously arranged single-row leads, a plurality of overflow tin ports 1 are intermittently provided on the pot mouth at the corresponding position...
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