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MICHEZO
TEKNOLOJIA
VAZI

Scissors: Forged, Ground Hollow and Set
As the Sheffield cutlery trade made them, each scissor blade and its bow (finger loop) is forged from steel: a hole is punched through the flattened rod and opened over the point of a small beaked anvil to form the bow. Die-forging under a heavy stamp, with the surplus rim sheared off in a fly-press, was replacing hand forging by 1913. The blades are annealed, filed and drilled for the rivet, then ground: each is hollow on its inner face, concave from rivet to point, and given a slight twist toward the other so the edges meet along their whole length. The pair is fitted, wound with iron wire, hardened, reground and polished, and finally riveted together and set.
Juu
Works process (early 1900s)
Maagizo
1
1
Forge the blades
Forge the blades
Forge each blade and shank; punch a hole through the flattened rod and open it over the beaked anvil to form the bow.
Vifaa kwa hatua hii:
Kipande bapa cha feleji ya zana1 kipandeZana zinazohitajika:
Fua ya mhunzi
Fuawe
Fuawe ndogo yenye mdomo
Nyundo ya Kufua2
2
Anneal, file and drill
Anneal, file and drill
Anneal the blades instead of hardening them; file the shanks and bows to shape, square the joint and bore the rivet hole.
Zana zinazohitajika:
Tupa ya chuma
Kekee cha Nguzo3
3
Grind
Grind
Grind each blade hollow from back to edge, concave from rivet to point, with a slight twist toward its partner.
Zana zinazohitajika:
Jiwe la kunoa la gurudumu4
4
Fit and harden
Fit and harden
Fit the pair, wind them from the points upward with iron wire, take out the rivet and harden the blades.
Vifaa kwa hatua hii:
Waya wa chuma0.5 mZana zinazohitajika:
Fua ya mhunzi
Ndoo ya kupoza chuma5
5
Finish and set
Finish and set
Grind, glaze and polish the bows and shanks again and burnish them; rivet the blades together and set them so the edges meet along their length.
Vifaa kwa hatua hii:
Rivet za chuma cha pua1 kipandeZana zinazohitajika:
Jiwe la kunoa la gurudumu
Gurudumu la kung'arisha la emeriVifaa
3- 1 kipandeKishikilia Nafasi
- 0.5 mKishikilia Nafasi
- 1 kipandeKishikilia Nafasi
Zana Zinazohitajika
9- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
- Kishikilia Nafasi
Mchoro huu unatengeneza
Blueprint zinazohusiana
Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni
CC0 Umma Wote
Mchoro huu umetolewa chini ya CC0. Uko huru kunakili, kubadilisha, kusambaza, na kutumia kazi hii kwa madhumuni yoyote, bila kuomba ruhusa.
Saidia Mtengenezaji kwa kununua bidhaa kupitia Mchoro wao ambapo wanapata Kamisheni ya Mtengenezaji iliyowekwa na Wachuuzi, au unda marudio mapya ya Mchoro huu na uiunganishe kama kiungo katika Mchoro wako kuchangia mapato.



