Collaborazione
ARTE
BELLEZZA E BENESSERE
MESTIERE
CULTURA E STORIA
DIVERTIMENTO
AMBIENTE
CIBO E BEVANDE
INGEGNERIA INVERSA
SCIENZE
SPORT
TECNOLOGIA
INDOSSABILI
Arthur F. Payne · Public domain (1914)
Teaspoon Sawn Short from Silver Sheet, Then Hammered Out (Payne 1914)
Saw the spoon out of flat silver smaller than it will end up: shorter, narrower in the bowl and thicker in the shank. Hammering then stretches it to full size. Arthur Payne said this method was used largely for silver teaspoons.
Source: A. F. Payne, Art Metalwork with Inexpensive Equipment (1914), pp. 180–184; annealing from his chapter XI. The millimetre figure is ours. Picture: Payne's Fig. 155, the blank and the finished spoon.
Intermedio
1 day
Istruzioni
1
1
Saw out the short blank
Saw out the short blank
Mark out and saw the blank from 15-gauge sterling silver (about 1.45 mm; our conversion): 5 in long, the bowl 1⅛ in wide and the shank 5⁄16 in wide. The finished spoon will be 6 in long with a bowl 1⅝ in wide.
Materiali per questo passaggio:
Lamiera d'argento sterling1 piece 15 gauge, enough for the 5 in blankStrumenti necessari:
Punta da tracciare
Sega da orafo2
2
Stretch the bowl wider
Stretch the bowl wider
Hammer the bowl on a flat anvil with the ball-pein hammer, held at a slight angle towards the side you want it to grow. This makes the bowl thinner and wider.
Strumenti necessari:
Incudine
Martello a penna sferica3
3
Narrow the shank with the neck hammer
Narrow the shank with the neck hammer
Hold the spoon on edge on a rounded convex stake and hammer the shank narrower with the neck hammer. This lengthens the spoon and makes the shank narrower and thicker. Widen the tip of the handle the same way as the bowl.
Strumenti necessari:
Picchetto
Martello da colloMartello a penna sferica4
4
Anneal and repeat
Anneal and repeat
When the silver gets hard, heat it to a dull red and plunge it into water, or let it cool. Repeat the hammering and annealing until the spoon is roughly to shape.
Materiali per questo passaggio:
Acqua1 as requiredStrumenti necessari:
Becco Bunsen
Pinze
Recipiente di vetro5
5
File and planish
File and planish
File the rough edges smooth, then planish the whole spoon carefully.
Strumenti necessari:
Lime (lima a mano)
Martello da spianarePicchetto6
6
Polish out the file marks
Polish out the file marks
Rub out all the scratches and file marks with emery cloth.
Strumenti necessari:
Tela smeriglio7
7
Anneal to even the fire scale
Anneal to even the fire scale
Anneal the spoon thoroughly once more. Heated silver grows a thin white skin, the fire scale, and this brings it back over the spots where filing and polishing took it off, so the colour is even.
Materiali per questo passaggio:
Acqua1 as requiredStrumenti necessari:
Becco BunsenPinzeRecipiente di vetro8
8
Planish with smooth hammers
Planish with smooth hammers
Planish the spoon on smooth tools with smooth, bright hammers. This makes it stiff again after the annealing.
Strumenti necessari:
Martello da spianareIncudinePicchetto9
9
Final polish with rouge
Final polish with rouge
Polish it lightly with a soft cotton flannel and a little red rouge.
Strumenti necessari:
Panno per lucidare i gioielli
Rosso da gioielliereMateriali
2- 1 piece 15 gauge, enough for the 5 in blankSegnaposto
- 2 as requiredSegnaposto
Strumenti richiesti
14- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
- Segnaposto
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