IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Self-Fluxing Solder with Flux Cells: Kester, 1899
Jesse F. Kester of Buffalo, New York, patented this solder in 1899, US 628,541. Solder wire with one continuous core of flux already existed, but the flux melts at a lower heat than the solder, so it melted some distance back from the end, too much ran out at each joint, and little was left near the end for the next. Kester divided the flux into a row of separate closed cells: each melt opens one cell and supplies a uniform charge of flux.
Àárín
Workshop process
Ìlànà
1
1
Groove the wire
Groove the wire
Pass ordinary wire solder lengthwise between rollers to make it trough-shaped in cross-section. (Kester's preferred route starts instead from a tube or hollow wire of solder, filled with the flux.)
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Wáyà Sọ́ldà1 as requiredÀwọn irinṣẹ́ tí a nílò:
Àwọn Rólà Ìrísí Wáyà2
2
Fill and close
Fill and close
Fill the groove with a suitable flux, in dry, plastic or liquid form. Close the edges of the solder together again, giving the wire a rounded or oval cross-section.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Fúlọ́ksì1 as requiredÀwọn irinṣẹ́ tí a nílò:
Àwọn Rólà Ìrísí Wáyà3
3
Pinch into cells
Pinch into cells
Corrugate the filled wire between rollers, or pinch it at intervals of about three-sixteenths of an inch, pressing the walls together into webs. Each web closes off a cell, so the flux is held in a row of separate, uniform charges and cannot run out of the solder.
Àwọn irinṣẹ́ tí a nílò:
Àwọn Rólà Ìrísí Wáyà4
4
Wide bars
Wide bars
For wide bars, such as roofers use, form several rows of cells, in straight rows from end to end or in diagonal rows of lozenge-shaped cells. A solid bar or rod can also have cells formed in its surface, filled with flux and closed by a covering strip pressed on.
Ìtọ́nisọ́nà yìí ń ṣe
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