SENI
KECANTIKAN & KESEHATAN
KERAJINAN
BUDAYA & SEJARAH
HIBURAN
LINGKUNGAN
MAKANAN & MINUMAN
REKAYASA BALIK
ILMU PENGETAHUAN
OLAHRAGA
TEKNOLOGI
PERANGKAT PAKAI
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.
Menengah
About 4 hours, plus printing
Instruksi
1
1
The slack between the frames
The slack between the frames
Memuat notebook 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 (/uploads/blueprints/two-frame-percussion-dasher-churn-upper-frame.stl), the lower frame (/uploads/blueprints/two-frame-percussion-dasher-churn-lower-frame.stl) and the key and wedge (/uploads/blueprints/two-frame-percussion-dasher-churn-key-and-wedge.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Material untuk langkah ini:
Filamen PETG1 buahAlat yang dibutuhkan:
Pencetak 3D filamen (FDM)5
5
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.
Material untuk langkah ini:
Pasak kayu keras1 buah
Lem Kayu1 buahAlat yang dibutuhkan:
Gergaji Tangan
Bor Tanpa Kabel
Set Mata Bor6
6
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.
Material untuk langkah ini:
Wadah penyimpanan mutu pangan1 buah
Papan pinus1 buah
Batang Baja Lunak1 buah
Sekrup kayu #8 x 1"1 buahAlat yang dibutuhkan:
Gergaji TanganBor Tanpa Kabel
Set obeng7
7
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.
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8
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.
Material untuk langkah ini:
Krim kental2000 ml
Garam Laut Kasar1 buah
Air1 buahAlat yang dibutuhkan:
Termometer probe tinggal-pasang
Stopwatch
Timbangan Dapur Digital
Mangkuk aduk baja nirkarat (besar)9
9
Troubleshooting
Troubleshooting
Two-frame dasher troubleshooting.
Flow
Loading...
10
10
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.
Bahan
10- 1 buahPlaceholder
- 1 buahPlaceholder
- 1 buahPlaceholder
- Placeholder
- 1 buahPlaceholder
- 1 buahPlaceholder
- 1 buahPlaceholder
- 2000 mlPlaceholder
- 1 buahPlaceholder
- 1 buahPlaceholder
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CC0 Domain Publik
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