ARTE
BELEZA E BEM-ESTAR
ARTESANATO
CULTURA E HISTÓRIA
ENTRETENIMENTO
MEIO AMBIENTE
COMIDA E BEBIDAS
ENGENHARIA REVERSA
CIÊNCIAS
ESPORTES
TECNOLOGIA
TECNOLOGIA VESTÍVEL
Piston-Pump Egg Beater: Pump the Eggs Through a Grate
A whisk stirs the eggs; it does not force them through anything.
J. J. Parker of Marietta, Ohio, received US 25,038, dated 9 August 1859, for an egg beater and churn combined: a tin tube with square openings at its lower end and a piston inside, worked up and down "in the manner of a pump" by a crank, which "draws the eggs in and out through the grate bars until they are completely torn in pieces or made perfectly fine and frothy"; a band turned round the tube's foot closes the openings to vary the agitation.
This rung works out the jet speed at each band setting, then prints the tube, band and piston, fits the crank, and times a beating at two settings.
Intermediário
About 3 hours, plus printing
Instruções
1
1
Jet speed at each setting
Jet speed at each setting
A carregar o notebook Jupyter…
2
2
The churning it also does
The churning it also does
The embedded blueprint churns cream to butter. Parker's pump-tube does the same when worked longer in cream.
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3
Read US 25,038
Read US 25,038
"At the lower end of the tube is a band of about one half an inch in width loosely fitted with openings one fourth of an inch square and corresponding exactly with the openings in the tube and of the same size, so that by turning the band around either way the openings are closed or made smaller at pleasure, so as to produce more or less agitation in the eggs or cream. This band has a bottom with grate like bars cut or made in it."
4
4
Print the tube, band and piston
Print the tube, band and piston
Print the tube (/uploads/blueprints/piston-pump-egg-beater-tube.stl), the band with its grate (/uploads/blueprints/piston-pump-egg-beater-band.stl) and the piston disk (/uploads/blueprints/piston-pump-egg-beater-piston.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.
Materiais para este passo:
Filamento PETG1 peçaFerramentas necessárias:
Impressora 3D de filamento (FDM)5
5
Pack the piston
Pack the piston
Cut a leather disk 2 mm larger than the piston. Clamp it between the printed disk and a washer on an M3 rod end with a nut, so its edge seals the tube.
Materiais para este passo:
Couro1 peça
Anilha plana1 peça
Porca sextavada1 peça
Parafusos de máquina1 peçaFerramentas necessárias:
X-ato (faca de precisão)
Chave inglesa ajustável
Paquímetro digital de 6 polegadas6
6
Post and crank
Post and crank
Epoxy a 4 mm wire post up the tube's side, bent at its top into bearings 100 mm above the tube. Bend a crank shaft of 3 mm wire with a 22 mm crank one end and a handle the other, and link the crank to the rod with a wire pitman.
Materiais para este passo:
Varão de aço macio1 peça
Arame de aço inoxidável1 peça
Epóxi de dois componentes1 peçaFerramentas necessárias:
Torno de bancada
Alicate de bicos redondos
Alicate de bico chato
Serra de arco para metais
Óculos de segurança transparentes7
7
The patent drawing
The patent drawing
US 25,038 drawing sheet, public domain (expired patent).
8
8
Beat at two settings
Beat at two settings
Stand the beater in a bowl with two eggs and a spoon of sugar. Crank twice a second with the band fully open and time to a fine froth; repeat with the band half closed.
Materiais para este passo:
Ovo4 peças
Açúcar granulado1 peçaFerramentas necessárias:
Taça grande de aço inoxidável
Cronómetro9
9
A pump that leaks past, sticks or splashes
A pump that leaks past, sticks or splashes
Piston-pump egg beater troubleshooting.
Flow
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10
10
History and honest limits
History and honest limits
**J. J. Parker** of Marietta, Ohio, received US 25,038, dated 9 August 1859. His smaller machine's tube is one and a half inches across and one and five eighths deep; the crank shaft is No. 7 wire with a seven-eighths-inch crank; the piston is two oval pieces of thin metal with leather between, its edges forced out by pressing them together. It may also be worked by a handle on the rod instead of a crank.
**Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. Printed PETG stands in for tin. The notebook treats the flow as steady. Your times are the result.
Materiais
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Ferramentas necessárias
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