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REVERSE ENGINEERING
IZAYENSI
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UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
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.
Ophakathi
An hour or two
Imiyalelo
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).
Amathuluzi adingekayo:
Ibhodi lekhanda lesipikili
Insimbi yokuhlikihla izinsimbi2
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).
Izinto zokwakha zalesi sinyathelo:
Ubhamu Oluyindilinga Lwensimbi Ethambile0.5 m
Amalahle1 as requiredAmathuluzi adingekayo:
Iziko lomkhandi wensimbi
Insimbi Yokukhandela
Isisiki esimiswa ensimbini yokukhandela
Udlawu lomkhandi wensimbi
Amagilavu okushisela
Izibuko zokuphepha3
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.
Amathuluzi adingekayo:
Ibhodi lekhanda lesipikiliInsimbi Yokukhandela
Isando esinekhanda elimise okwesikhonkwaneUdlawu lomkhandi wensimbiAmagilavu okushiselaIzibuko zokuphepha4
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.
Amathuluzi adingekayo:
Insimbi yokuhlikihla izinsimbi5
5
Rod for a countersunk head
Rod for a countersunk head
Ilayisha incwadi ye-Jupyter…
Amathuluzi Adingekayo
9- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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