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Two-Frame Percussion Dasher Churn: The Upper Frame Strikes the Lower at Every Down Stroke
W. H. Burnham and B. Hibbard of Cortland, New York, received US 15,412, dated 29 July 1856, for a dasher of two slatted frames loosely joined: at each down stroke the lower frame meets the bottom and the upper frame is "driven violently in the contact with the lower frame," forcing the cream up between the bars in thin sheets.
This rung prints the two frames, key and wedge, builds the churn and lever, and makes butter.
Intermedio
About 4 hours, plus printing
Instrucciones
1
1
The slack between the frames
The slack between the frames
Cargando el cuaderno de Jupyter…
2
2
Slats that close on the cream before it
Slats that close on the cream before it
Clement folds a slatted box; Burnham and Hibbard strike one frame on another.
3
3
Read US 15,412
Read US 15,412
"Then when the dasher is forced downward, the lower frame of the dasher will be first arrested by the bottom of the box, which will cause the upper frame of the dasher to be driven violently in the contact with the lower frame thereof and by so doing, will cause the cream which is carried down before it, to be driven with percussive force into the spaces between the bars of the lower frame and thence up in thin sheets."
4
4
Print the parts
Print the parts
Print the upper frame, the lower frame and the key and wedge. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Materiales para este paso:
Filamento PETG1 piezaHerramientas necesarias:
Impresora 3D de filamento (FDM)5
5
Print the upper frame
Print the upper frame
The upper frame, printed as step 4 describes.
6
6
Print the lower frame
Print the lower frame
The lower frame, printed as step 4 describes.
7
7
Print the key and wedge
Print the key and wedge
The key and wedge, printed as step 4 describes.
8
8
The dasher
The dasher
Glue a 12 mm square hardwood handle into the lower frame and two 6 × 12 mm laths into the upper frame's sockets. Cut a slot 40 mm long down both laths. Set the handle between the laths and push the key through a hole in the handle and through the slots.
Materiales para este paso:
Espigas de madera dura1 pieza
Cola de carpintero1 piezaHerramientas necesarias:
Serrucho
Taladro inalámbrico
Juego de brocas9
9
Box and lever
Box and lever
Use a rectangular food-grade container about 210 by 150 mm on a pine platform. Hinge a pine upright at one end of the platform and pin a pine lever to its top; pin the two laths to the lever above the box.
Materiales para este paso:
Recipiente de almacenaje de grado alimentario1 pieza
Tabla de pino1 pieza
Redondo de acero dulce1 pieza
Tornillo para madera n.º 8 x 1"1 piezaHerramientas necesarias:
SerruchoTaladro inalámbrico
Juego de destornilladores10
10
The build in 3D
The build in 3D
FreeCAD model of this build: the box cut away to show the two slatted frames, the double handles and key, and the lever on its oscillating upright.
11
11
Churn, then gather
Churn, then gather
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres. Work the lever steadily; time until the butter comes. Push the wedge into the slots above the handle to hold the frames apart, and work on slowly to gather the butter. Pour off the buttermilk, add cold water, churn a little and pour off again until it runs clear; work in a pinch of salt and weigh the butter.
Materiales para este paso:
Crema de leche espesa2000 ml
Sal marina gruesa1 pieza
Agua1 piezaHerramientas necesarias:
Termómetro de sonda permanente
Cronómetro
Báscula digital de cocina
Bol grande de acero inoxidable12
12
Troubleshooting
Troubleshooting
Two-frame dasher troubleshooting.
Flow
Loading...
13
13
History and honest limits
History and honest limits
**W. H. Burnham and B. Hibbard** of Cortland village, Cortland County, New York, US 15,412, 29 July 1856, signed 5 June 1856; the drawing reads "Reciprocating Churn." They claimed the dasher of two independent frames combined with each other and the lever. A container, pine and printed parts stand in for theirs. FDM prints hold food in their layer lines, so wash well and replace when worn.
Materiales
10- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- Marcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
- Marcador de posición
- 2000 mlMarcador de posición
- 1 piezaMarcador de posición
- 1 piezaMarcador de posición
Herramientas requeridas
9- Marcador de posición
- Marcador de posición
- 1 vendor sell this, none ship to you yetMarcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
- Marcador de posición
Archivos de diseño
4Este plano hace
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