UBUCIKO
UBUHLE NEMPILO
UBUCIKO BEZANDLA
AMASIKO NOMLANDO
EZOKUZIJABULISA
IMVELO
UKUDLA NEZIPHUZO
REVERSE ENGINEERING
IZAYENSI
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UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
Engraving Burin: Square Steel Graver in a Mushroom Handle
Unknown authorUnknown author (Wikimedia Commons) · Public domain
Forge

Yenziwe ngu-

Forge

14. uMfumfu 2026NO
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Engraving Burin: Square Steel Graver in a Mushroom Handle

The burin cuts a V-shaped groove in copper and other soft metals: a tempered steel shaft, usually square or lozenge in section, ending in a sharp cutting face, set in a mushroom-shaped handle cradled in the palm and held at about 30° to the plate. Forge and harden a square shaft, turn a handle, and grind the face. The picture: an old engraver's burin with a mushroom handle.
Ophakathi
A day

Imiyalelo

1

Forge the shaft

Draw tool steel to a square shaft about 3 mm across and 11 cm long (our size), with a tang at one end. Bend the shaft slightly near the tang so the point clears the plate when the handle is low.

Izinto zokwakha zalesi sinyathelo:

Induku enezinhlangothi eziyisishiyagalombili yensimbi yamathuluziInduku enezinhlangothi eziyisishiyagalombili yensimbi yamathuluzi0.05 kg
AmalahleAmalahle1 as required

Amathuluzi adingekayo:

Iziko lomkhandi wensimbiIziko lomkhandi wensimbi
Insimbi YokukhandelaInsimbi Yokukhandela
Isando esinekhanda elimise okwesikhonkwaneIsando esinekhanda elimise okwesikhonkwane
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
Insimbi yokuhlikihla izinsimbiInsimbi yokuhlikihla izinsimbi
Isibambo SebhentshiIsibambo Sebhentshi
2

Harden and temper

Harden the shaft in water and temper it to a pale straw, so the point is hard but does not snap.

Izinto zokwakha zalesi sinyathelo:

AmanziAmanzi5 amalitha

Amathuluzi adingekayo:

Iziko lomkhandi wensimbiIziko lomkhandi wensimbi
Ibhakede lokupholisaIbhakede lokupholisa
Udlawu lomkhandi wensimbiUdlawu lomkhandi wensimbi
3

Turn the handle

Turn a beech mushroom handle on the lathe, saw a flat on one side so the burin lies low on the plate, drill it and drive the tang in.

Izinto zokwakha zalesi sinyathelo:

Amapulangwe e-beechAmapulangwe e-beech1 ucezu

Amathuluzi adingekayo:

Umshini wokuphotha wesigxoboUmshini wokuphotha wesigxobo
Insimbi yokubaza enomseleInsimbi yokubaza enomsele
Isaha SesandlaIsaha Sesandla
Ibhola lesandlaIbhola lesandla
4

Grind the face

Hone the cutting face flat on the stone at an angle across the end, and the two lower sides to a sharp corner, checking the point under the loupe.

Amathuluzi adingekayo:

Itshe lokulola le-grit 1000Itshe lokulola le-grit 1000
I-Loupe YokukhulisaI-Loupe Yokukhulisa
5

Width of the cut

Ilayisha incwadi ye-Jupyter…

Izinto

4

Amathuluzi Adingekayo

13

Le blueprint yenza

Thumbnail
Isibambeli

I-Burin Yokuqopha

Free

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Ama-blueprint ahlobene

Lama-blueprint abelana ngolwazi — amasu, izinto noma izimiso

Scriber: Steel Rod with Hardened Points at Both Ends

Scriber: Steel Rod with Hardened Points at Both Ends

ngu-ForgeNO

Umkhandi

27
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Wood Chisels and Gouges Forged from Tool Steel

Wood Chisels and Gouges Forged from Tool Steel

ngu-ForgeNO

Umkhandi

18
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CC0 Isizinda Somphakathi

Le blueprint ikhishwe ngaphansi kwe-CC0. Ukhululekile ukukopisha, ukuguqula, ukusabalalisa, nokusebenzisa ngaphandle kwemvume.

Sekela uMenzi ngokuthenga imikhiqizo nge-Blueprint yabo IKhomishane Yomenzi kumiswe ngabathengisi, noma dala inguqulo entsha yale Blueprint bese uyifaka njengoxhumaniso ku-Blueprint yakho ukuze wabelane ngemali engenayo.

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