UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA

Anvil: Wrought-Iron Body with a Welded Steel Face
Outside the United States, anvils of the 1880s had a body of wrought iron under a steel face, and a horn of plain wrought iron. The body was roughly shaped under tilt hammers, in one piece or with the corners and horn welded on. A face plate of shear or blister steel, 3/8 to 3/4 inch thick, was forge-welded to it a few inches at a time by four strikers, then the holes were punched and the anvil dressed to shape, ground flat and hardened under a falling stream of water. A well-welded anvil rings clearly when struck. Most modern anvils are instead cast steel with the face hardened by flame or induction.
Hejuru
Works process (1880s)
Amabwiriza
1
1
Shape the body
Shape the body
Rough out the wrought-iron body under the tilt hammer, in one piece or with the corners and horn welded on.
Ibikoresho by'iyi ntambwe:
Umugozi w'icyuma cyacuzwe1 as requiredIbikoresho bikenewe:
Inyundo izamurwa ikagwa
Uruganda rw'umucuzi2
2
Weld on the face
Weld on the face
Bring the body and the steel face plate to a welding heat and weld from one end, about five inches at a time with four strikers, heat after heat, until the whole face is on. Take care not to burn the steel.
Ibikoresho by'iyi ntambwe:
Isahani y'icyuma cya shear1 igiceIbikoresho bikenewe:
Uruganda rw'umucuzi
Inyundo nini3
3
Punch and dress
Punch and dress
Punch the hardy (cutter) hole and the small round hole in the tail, round the horn, and dress the anvil to shape at another heat.
Ibikoresho bikenewe:
Igitobora gishyushye
Inyundo nini4
4
Grind
Grind
Grind any unevenness out of the face, crosswise on a large stone.
Ibikoresho bikenewe:
Ibuye ryo gutyaza ry'uruziga5
5
Harden
Harden
Reheat the top to a red heat and let a stream of water fall on it from a ten-foot head. A clear ring when struck shows a sound weld.
Ibikoresho by'iyi ntambwe:
Amazi1 as requiredIbikoresho bikenewe:
Uruganda rw'umucuziIbikoresho
3- 1 as requiredUmwanya
- 1 igiceUmwanya
- 1 as requiredUmwanya
Ibikoresho bikenewe
5- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
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