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Brass Sheet, Strip and Rod from an Ingot
Forge

Yenziwe ngu-

Forge

11. uMfumfu 2026NO
33
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Brass Sheet, Strip and Rod from an Ingot

Brass from the alloying blueprint is cast into bars, then worked cold like copper: rolled or hammered for sheet and strip, drawn for rod. It work-hardens faster than copper, so it is annealed often, to a dull red, and can be quenched. Molten brass gives off white zinc-oxide smoke: melt it outdoors with the wind behind you.
Ophakathi
A day

Imiyalelo

1

The brass

Making the brass ingot.
2

Cast bars

Outdoors, melt brass pieces in a crucible in the charcoal forge and pour them into a warmed, dry ingot mould: flat bars for sheet and strip, square bars for rod.

Izinto zokwakha zalesi sinyathelo:

Ingqimba yebhrasiIngqimba yebhrasi1 kg
AmalahleAmalahle5 kg

Amathuluzi adingekayo:

Iziko lomkhandi wensimbiIziko lomkhandi wensimbi
Imbiza Yobumba Emelana NomliloImbiza Yobumba Emelana Nomlilo
Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Isikhunta sokuthela insimbiIsikhunta sokuthela insimbi
Ipheshana LesikhumbaIpheshana Lesikhumba
Amagilavu okushiselaAmagilavu okushisela
Izibuko zokuphephaIzibuko zokuphepha
3

Anneal

Heat each bar on fire bricks to a dull red with the torch and quench it in water.

Izinto zokwakha zalesi sinyathelo:

AmanziAmanzi10 amalitha

Amathuluzi adingekayo:

Isibani Se-propaneIsibani Se-propane
Isitini somliloIsitini somlilo
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
Ibhakede lokupholisaIbhakede lokupholisa
4

Roll or hammer sheet and strip

Pass the flat bar through the rolling mill, closing it a little each pass, or hammer it on the anvil. Anneal whenever it stiffens. Cut strip from the sheet with snips.

Amathuluzi adingekayo:

Umshini wokugingqa insimbiUmshini wokugingqa insimbi
Insimbi YokukhandelaInsimbi Yokukhandela
Isando esinekhanda elimise okwesikhonkwaneIsando esinekhanda elimise okwesikhonkwane
Isikeli sensimbiIsikeli sensimbi
I-Caliper Yedijithali Yamayintshi Ayi-6I-Caliper Yedijithali Yamayintshi Ayi-6
5

Draw rod

Hammer the square bar round, taper the end, and draw it through the drawplate with draw tongs and wax, annealing every few holes.

Amathuluzi adingekayo:

Insimbi YokukhandelaInsimbi Yokukhandela
Isando esinekhanda eliyindilingaIsando esinekhanda eliyindilinga
Ipuleti lokudonsa ucingo lensimbiIpuleti lokudonsa ucingo lensimbi
Udlawu lokudonsaUdlawu lokudonsa
Isibambo SebhentshiIsibambo Sebhentshi
6

Clean

Soak in vinegar with salt to lift the oxide, scrub with the wire brush, rinse and dry.

Izinto zokwakha zalesi sinyathelo:

UvinigaUviniga0.5 ilitha
UsawotiUsawoti10 g

Amathuluzi adingekayo:

IndishiIndishi
Isethi yamabhulashi ocingoIsethi yamabhulashi ocingo
7

Troubleshooting

Brass working troubleshooting.

Flow

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Izinto

5
  • 2
    Ingqimba yebhrasi
    1 kg
    Isibambeli
  • 2
    Amalahle
    5 kg
    Isibambeli
  • 3
    Amanzi
    10 amalitha
    Isibambeli
  • 6
    Uviniga
    0.5 ilitha
    Isibambeli
  • 6
    Usawoti
    10 g
    Isibambeli

Amathuluzi Adingekayo

22

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

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CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

Sekela uMenzi ngokuthenga imikhiqizo nge-Blueprint yabo IKhomishane Yomenzi kumiswe ngabathengisi, noma dala inguqulo entsha yale Blueprint bese uyifaka njengoxhumaniso ku-Blueprint yakho ukuze wabelane ngemali engenayo.

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