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Tuyere Iron: a Slotted Grate Cast in Grey Iron
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Forge

Imeundwa na

Forge

18. Oktoba 2026NO
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Tuyere Iron: a Slotted Grate Cast in Grey Iron

The tuyere is the opening in the bottom of the forge fire through which the blast is blown. Bacon (1919): its openings must let the blast through easily while keeping cinders from dropping into the blast pipe, and there should be a way to open the pipe below and clear out the cinders that still get through. This one is a slotted grate over a socket for the blast pipe, cast in grey iron. The design and sizes are ours. The picture: our drawing.
Juu
2 days

Maagizo

1

Make the pattern

From pine, make a pattern of a square plate about 15 cm across and 2 cm thick with four or five narrow slots, and a short round socket under its centre to take the blast pipe. Taper every side slightly so it draws from the sand.

Zana zinazohitajika:

Ubao wa msonobariUbao wa msonobari
Msumeno wa kukata mikunjoMsumeno wa kukata mikunjo
Seti ya patasi za mtiSeti ya patasi za mti
Gundi ya MbaoGundi ya Mbao
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
2

Ram the mould

Ram the pattern up in casting sand in the flask, draw it out, and cut a sprue and a runner to the cavity.

Zana zinazohitajika:

Mchanga wa kusubuMchanga wa kusubu
Sanduku la kuundiaSanduku la kuundia
Mwiko mdogo wa bustaniMwiko mdogo wa bustani
3

Melt the iron

Melting pig iron in the cupola and tapping it into the ladle.
4

Pour

Pour the molten grey iron from the ladle into the sprue in one steady stream until the mould is full; about 4 kg with the sprue (our estimate). Let it cool in the sand.

Vifaa kwa hatua hii:

Vitalu vya chuma ghafiVitalu vya chuma ghafi4 kg

Zana zinazohitajika:

Upawa wa kusubu chumaUpawa wa kusubu chuma
Sanduku la kuundiaSanduku la kuundia
Glavu za kulehemuGlavu za kulehemu
Aproni ya NgoziAproni ya Ngozi
Ngao ya UsoNgao ya Uso
5

Clean up

Shake out the casting, cut off the sprue, grind the fins and brush off the sand. Check that every slot is clear.

Zana zinazohitajika:

Kisaga cha pembeKisaga cha pembe
Seti ya brashi za wayaSeti ya brashi za waya
Glavu za kulehemuGlavu za kulehemu
Ngao ya UsoNgao ya Uso
6

Set it in the forge

Set it in the hearth with the blast pipe in its socket and a way to open the pipe below for clearing cinders. Richardson's forge had its tuyere iron four inches below the hearth surface.

Zana zinazohitajika:

Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6

Vifaa

1

Zana Zinazohitajika

14

Mchoro huu unatengeneza

Thumbnail
Kishikilia nafasi

Tuyere ya chuma ya fani

Free

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

Casting Iron in a Cupola Furnace — Re-Melting Pig Iron into Finished Castings

na PiettUS

Uchimbaji chuma

44
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Brick Blacksmith's Forge with a Bottom-Blast Tuyere

Brick Blacksmith's Forge with a Bottom-Blast Tuyere

na ForgeNO

Uchimbaji chuma

19
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