Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Copper Rivets Headed from Forged Rod
A solid rivet is a shank with a head, set by hammering its tail over. Rivets have been used since the Bronze Age, and copper is one of the usual rivet metals. Cut forged copper rod to length, soften it, and head each piece in a nail header.
The picture: a late medieval wooden knife handle held to its tang by copper-alloy rivets.
Utangiye
An hour or two
Amabwiriza
1
1
Cut the blanks
Cut the blanks
Saw the rod into pieces as long as the thickness to be riveted, plus about one shank diameter for the tail, plus the head allowance from step 5.
Ibikoresho by'iyi ntambwe:
Inkoni y'insinga y'umuringa0.5 mIbikoresho bikenewe:
Umucumita w'Ibyuma
Ifatiro ry'Ameza2
2
Anneal
Anneal
Heat the blanks to a dull red and quench them in water. Copper stays soft after this.
Ibikoresho by'iyi ntambwe:
Amazi5 litiroIbikoresho bikenewe:
Uruganda rw'umucuzi
Amafashi y'umucuzi
Indobo yo gukonjesha
Uturindantoki two gukomeza ibyuma3
3
Head them
Head them
Drop a blank into a header hole of the shank size, set the header over the anvil's pritchel hole, and hammer the standing end into a round head with the ball peen. Knock it out from below.
Ibikoresho bikenewe:
Ikibaho gikora imitwe y'imisumari
Ingoyi
Inyundo ifite umutwe wa buruta4
4
Finish
Finish
File burrs off the shanks and square the tail ends. To set one, rest the head in a rivet set and spread the tail with the ball peen.
Ibikoresho bikenewe:
Ikariso ry'Icyuma
Agatsiko ka rivetiInyundo ifite umutwe wa buruta5
5
Rod for the head
Rod for the head
Gupakira ikaye ya Jupyter…
Ibikoresho bikenewe
11- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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