UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Saw Handle Rivets with Countersunk Heads
A hand saw blade is fixed in its wooden handle by rivets through both. Hodgson (1883) preferred plain beech handles with the rivets flush or countersunk: lighter, easier to handle, and no heads standing out to dull other saws in the chest. Head short steel rivets with a cone-shaped head in a nail header.
The picture: our diagram, a countersunk rivet and two set through handle and blade.
Hagati
An hour or two
Amabwiriza
1
1
Countersink the header
Countersink the header
Use a nail header with a hole the size of the rivet shank, its top edge filed out into a cone (90°, our angle).
Ibikoresho bikenewe:
Ikibaho gikora imitwe y'imisumari
Ikariso ry'Icyuma2
2
Nick the rod
Nick the rod
Heat a mild steel rod of the shank size, and nick it nearly through on the hardy at the shank length plus the head allowance (step 5).
Ibikoresho by'iyi ntambwe:
Umurongo Uzengurutse w'Icyuma Cyoroshye0.5 m
Amakara1 as requiredIbikoresho bikenewe:
Uruganda rw'umucuzi
Ingoyi
Icyuma gikata ku ngoyi
Amafashi y'umucuzi
Uturindantoki two gukomeza ibyuma
Amadarubindi y'umutekano3
3
Head it
Head it
Drop the hot end into the header and hammer the standing stock down into the cone until it fills it. Snap it off at the nick and file any metal spread past the cone off flat.
Ibikoresho bikenewe:
Ikibaho gikora imitwe y'imisumariIngoyi
Inyundo ifite umutwe utambitseAmafashi y'umucuziUturindantoki two gukomeza ibyumaAmadarubindi y'umutekano4
4
Clean up
Clean up
Let them cool without hardening; the tail is peened into a countersink on the far side of the handle. File off burrs so each shank slips into its hole.
Ibikoresho bikenewe:
Ikariso ry'Icyuma5
5
Rod for a countersunk head
Rod for a countersunk head
Gupakira ikaye ya Jupyter…
Ibikoresho bikenewe
9- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
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