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VAZI
Steel Wire Drawn from Mild Steel Rod
The drawplate that turns copper and iron rod into wire works on mild steel too, but steel is stiffer: it needs a smaller step per hole, more lubricant and more frequent annealing. Mild steel is annealed by heating it red and letting it cool slowly, buried in dry wood ash.
Kati
Half a day
Maagizo
1
1
Anneal the rod
Anneal the rod
Heat the mild steel rod to an even red in the forge and bury it in a bucket of dry wood ash to cool slowly, overnight.
Vifaa kwa hatua hii:
Ufito wa chuma laini1 mita
Majivu ya Mti Mgumu2 kg
Mkaa2 kgZana zinazohitajika:
Fua ya mhunzi
Koleo za mhunzi
Ndoo ya chuma2
2
Taper the end
Taper the end
File a long taper on the first 3 cm so it passes the first hole.
Zana zinazohitajika:
Seti ya tupa
Kibano cha meza ya kazi3
3
Wax and draw
Wax and draw
Clamp the drawplate in the vise. Wax the rod, push the taper through the first hole it does not slip through, and pull straight out with the draw tongs in one steady pull.
Vifaa kwa hatua hii:
Nta ya Nyuki10 gZana zinazohitajika:
Bamba la chuma la kuvuta waya
Koleo la kuvutaKibano cha meza ya kazi
Glavu za Kazi za Ngozi4
4
Down the holes
Down the holes
Draw through each next hole without skipping. After every two holes, coil the wire and anneal it again in the ash.
Zana zinazohitajika:
Bamba la chuma la kuvuta wayaKoleo la kuvutaFua ya mhunziNdoo ya chuma5
5
Finish
Finish
Stop at the size you need, checked with the caliper. Leave it as drawn for stiff wire, or anneal once more for soft binding wire.
Zana zinazohitajika:
Kipima-unene cha dijitali cha inchi 66
6
Troubleshooting
Troubleshooting
Steel wire drawing troubleshooting.
Flow
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Vifaa
4- 1 mitaKishikilia Nafasi
- Kishikilia Nafasi
- 2 kgKishikilia Nafasi
- 10 gKishikilia Nafasi
Zana Zinazohitajika
9- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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