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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.
Ophakathi
Half a day
Imiyalelo
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.
Izinto zokwakha zalesi sinyathelo:
Ubhamu Oluyindilinga Lwensimbi Ethambile1 imitha
Umlotha Wokhuni Oluqinile2 kg
Amalahle2 kgAmathuluzi adingekayo:
Iziko lomkhandi wensimbi
Udlawu lomkhandi wensimbi
Ibhakede lensimbi2
2
Taper the end
Taper the end
File a long taper on the first 3 cm so it passes the first hole.
Amathuluzi adingekayo:
Iqoqo Lamafayela
Isibambo Sebhentshi3
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.
Izinto zokwakha zalesi sinyathelo:
Isibabule Sezinyosi10 gAmathuluzi adingekayo:
Ipuleti lokudonsa ucingo lensimbi
Udlawu lokudonsa
Isibambo Sebhentshi
Amagilavu Omsebenzi Esikhumba4
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.
Amathuluzi adingekayo:
Ipuleti lokudonsa ucingo lensimbi
Udlawu lokudonsa
Iziko lomkhandi wensimbi
Ibhakede lensimbi5
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.
Amathuluzi adingekayo:
I-Caliper Yedijithali Yamayintshi Ayi-66
6
Troubleshooting
Troubleshooting
Steel wire drawing troubleshooting.
Flow
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Izinto
4- Isibambeli
- Isibambeli
- 2 kgIsibambeli
- Isibambeli
Amathuluzi Adingekayo
9- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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