One-side dual open kettle mouth with tin overflow mouth length
A technology of overflowing tin and one side, applied in the direction of assembling printed circuits with electrical components, etc., can solve the problems of low work efficiency, unsuitable for large-scale batch processing, and easy to form virtual welding of contacts, and achieves the effect of ensuring adequacy and firmness.
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[0012] As shown in Figure 1, a long side double-opening spout with a tin overflow mouth, the shape of the spout is a rectangle, and a tin overflow spout 1 is respectively arranged on the long sides of the rectangular side, and the tin overflow spout 1 is A rectangular opening with a depth of 2 to 8 mm.
[0013] As shown in Figure 2, the spout of the present invention is mainly applied to the welding of longer lead groups with double or multiple rows in the middle and single rows at both ends. The section line in the figure represents the overflow tin , the length of the tin overflow port 1 is determined according to the length of the lead group to be soldered above the pot mouth, and at the same time, other electronic components 3 outside the tin overflow port 1 are taken into consideration to ensure that the tin liquid flowing out of the tin overflow port 1 will not affect other nearby Electronic components that do not require soldering3.
[0014] When in use, place the PCBA...
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