SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Iron Rivets and Roves Forged from Rod and Sheet
An iron rivet is a short headed rod; its tail goes through the work and a small iron washer, the rove, and is hammered over it. Medieval boat builders fastened planks this way with iron nails and diamond-shaped roves. Heads are formed in a nail header; roves are cut from iron sheet and punched.
The picture: iron rivets with their roves from a Viking longship, Royal Ontario Museum, Toronto.
Kati
A day for a hundred
Maagizo
1
1
Head the rivets
Head the rivets
Heat the end of the wrought iron rod to orange, nick it on the hardy at rivet length plus head stock, drop it into the nail header and spread the head with a few quick blows. Snap it free.
Vifaa kwa hatua hii:
Fito ya chuma cha kufua2 m
Mkaa1 as requiredZana zinazohitajika:
Fua ya mhunzi
Koleo za mhunzi
Patasi ya kukata kwenye fuawe
Kibamba cha kutengeneza vichwa vya misumari
Fuawe
Nyundo yenye kichwa cha msalaba
Glavu za kulehemu
Miwani ya usalama2
2
Cut the roves
Cut the roves
Cut the iron sheet into small diamonds with a cold chisel on the anvil.
Vifaa kwa hatua hii:
Bamba la chuma (lililofuliwa)1 kipandeZana zinazohitajika:
Patasi ya chuma baridiFuaweNyundo yenye kichwa cha msalabaGlavu za kulehemuMiwani ya usalama3
3
Punch the roves
Punch the roves
Heat each diamond and punch a hole in the middle, a snug fit for the rivet shank, over the pritchel hole.
Zana zinazohitajika:
Fua ya mhunzi
Kitoboa cha motoFuaweNyundo yenye kichwa cha msalabaKoleo za mhunziGlavu za kulehemuMiwani ya usalama4
4
Check and pair
Check and pair
Check the shanks with the caliper and file off burrs. Keep a rove with each rivet. To set one: push it through the work, slip the rove over the tail, trim the tail and hammer it over the rove.
Zana zinazohitajika:
Kipima-unene cha dijitali cha inchi 65
5
Rod and sheet per rivet
Rod and sheet per rivet
Inapakia daftari la Jupyter…
Vifaa
3- Kishikilia Nafasi
- 1 as requiredKishikilia Nafasi
- 1 kipandeKishikilia Nafasi
Zana Zinazohitajika
11- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
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