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Zinc Sheet Cast as a Plate and Hammered Warm
Unknown authorUnknown author (Wikimedia Commons) · CC BY 3.0
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Forge

14. uMfumfu 2026NO
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Zinc Sheet Cast as a Plate and Hammered Warm

Zinc melts at about 420 °C. It is hard and brittle at most temperatures but malleable between 100 and 150 °C. Cast zinc into a thin plate, keep it at that warmth on a sand bath, and hammer it out into sheet. The picture: a small piece of zinc sheet.
Ophakathi
A day

Imiyalelo

1

Melt

Melt the zinc in a crucible in the forge. Do not overheat it; take it off as soon as it is all liquid.

Izinto zokwakha zalesi sinyathelo:

Isigaxa SikazinkiIsigaxa Sikazinki0.4 kg

Amathuluzi adingekayo:

Imbiza Yobumba Emelana NomliloImbiza Yobumba Emelana Nomlilo
Iziko lomkhandi wensimbiIziko lomkhandi wensimbi
Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Amagilavu okushiselaAmagilavu okushisela
Izibuko zokuphephaIzibuko zokuphepha
2

Cast a plate

Warm the iron pan, set it level and pour the zinc in to make a plate about 4 mm thick. Let it cool and knock it out.

Amathuluzi adingekayo:

Ipani lensimbi elingajulileIpani lensimbi elingajulile
Udlawu Lwesitsha SokuncibilikisaUdlawu Lwesitsha Sokuncibilikisa
Amagilavu okushiselaAmagilavu okushisela
Izibuko zokuphephaIzibuko zokuphepha
3

Warm it

Lay the plate on the sand bath and bring it to between 100 and 150 °C, checking with a thermometer pushed into the sand beside it.

Amathuluzi adingekayo:

Ibhavu lesihlabathiIbhavu lesihlabathi
IthemomithaIthemomitha
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
4

Hammer it out

Move it to the anvil and hammer it thinner with overlapping blows, working from the middle outward. Put it back on the sand bath whenever it cools; cold, it cracks.

Amathuluzi adingekayo:

Insimbi YokukhandelaInsimbi Yokukhandela
Isando esinekhanda eliyindilingaIsando esinekhanda eliyindilinga
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
Ibhavu lesihlabathiIbhavu lesihlabathi
Amagilavu okushiselaAmagilavu okushisela
Izibuko zokuphephaIzibuko zokuphepha
5

Trim

Trim the cracked edges with snips and file them smooth.

Amathuluzi adingekayo:

Isikeli sensimbiIsikeli sensimbi
Insimbi yokuhlikihla izinsimbiInsimbi yokuhlikihla izinsimbi
6

Plate to sheet

Ilayisha incwadi ye-Jupyter…

Izinto

1

Amathuluzi Adingekayo

13

Le blueprint yenza

Thumbnail
Isibambeli

Ishidi le-zinc

Free

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

Sand Bath in a Sunk Iron Pan

Sand Bath in a Sunk Iron Pan

ngu-ForgeNO

Umsebenzi Wensimbi

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CC0 Isizinda Somphakathi

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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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