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Air-Pump Tube Dasher: A Tube Over a Loose Plunger Pumps Air at Every Stroke
Wright wanted a hand dasher that "will operate as an air pump to force a stream of air into the cream at the same time that it agitates it."
William M. Wright of Pittsburgh, Pennsylvania, received US 6,711, dated 11 September 1849, for an atmospheric churn-dasher: a tube of tinned sheet iron with a flange on its lower end, a cap with a valve opening inward, and a handle; inside, a loose cylinder of wood weighted at its lower end rests on the bottom of the tub as a plunger. Worked like a common dasher in "almost any ordinary pail or dairy vessel," it discharges air among the cream on each descent and refills on each ascent.
This rung works out the air per stroke, then prints the cap, flange and plunger, assembles them on a pipe, and makes butter in a pail.
Başlangıç
About 1 hour, plus printing
Talimatlar
1
1
Air per stroke
Air per stroke
Jupyter defteri yükleniyor…
2
2
A dash closing over a fixed block before it
A dash closing over a fixed block before it
The embedded blueprint squeezes air from a hollow dash over a block fixed to the churn. Wright's plunger is loose, so it needs no fixing at all.
3
3
Read US 6,711
Read US 6,711
"From the fact of the piston resting loosely upon the bottom of the tub, and being capable of moving about and occupying a vertical or inclined position as may best suit the convenience of the operator, and also from the facility with which it and the dasher may be removed from the churn tub and cleaned, and from the simplicity of all the parts being a guarantee against their getting out of order, this apparatus is applicable to churning cream in either large or small quantities."
4
4
Print the parts
Print the parts
Print the cap (/uploads/blueprints/air-pump-tube-dasher-cap.stl) with its side valve port and handle socket, the foot flange (/uploads/blueprints/air-pump-tube-dasher-flange.stl), and the plunger (/uploads/blueprints/air-pump-tube-dasher-plunger.stl), whose foot has a pocket for a steel weight. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Bu adım için malzemeler:
PETG filament1 adetGerekli aletler:
FDM 3B yazıcı5
5
Valve and weight
Valve and weight
Glue a small leather flap inside the cap over the valve port, along its top edge only, so air enters and cannot leave. Glue an M10 carriage bolt into the plunger's pocket, so it sinks in cream as he weighted his with metal.
Bu adım için malzemeler:
Deri şerit1 adet
Yuvarlak başlı cıvata1 adet
İki bileşenli epoksi1 adetGerekli aletler:
Tornavida takımı6
6
Assemble
Assemble
Cut 300 mm of 50 mm pipe. Push the flange onto its foot and the cap onto its top, and glue a hardwood dowel handle in the cap's socket. Stand the plunger in a tall food-grade bucket and lower the tube over it.
Bu adım için malzemeler:
PVC Boru1 adet
Sert ağaç kavelalar1 adet
20 Litrelik Kova1 adetİki bileşenli epoksi1 adetGerekli aletler:
Demir Testeresi
Zımpara Kağıdı7
7
The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: the pail, tube and flange cut away to show the loose weighted plunger standing on the bottom inside the tube, the cap with its valve, and the handle.
8
8
Dash and make butter
Dash and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres. Work the tube up and down over the plunger; bubbles should burst from under the flange on each down-stroke. Time until the butter comes. 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.
Bu adım için malzemeler:
Yağlı krema2000 ml
İri Deniz Tuzu1 adet
Su1 adetGerekli aletler:
Takılı kalan problu termometre
Kronometre
Dijital Mutfak Terazisi
Büyük paslanmaz çelik karıştırma kâsesi9
9
No bubbles, a plunger that floats
No bubbles, a plunger that floats
Air-pump tube dasher troubleshooting.
Flow
Loading...
10
10
History and honest limits
History and honest limits
**William M. Wright** of Pittsburgh, Allegheny County, Pennsylvania, received US 6,711, dated 11 September 1849. The plunger was to be "specifically heavier than cream," or wood weighted with a plug of metal; the tub could be any pail, "particularly, if it be deep in comparison with its width." He claimed the combination of the loose plunger with the tubular dasher.
**Honest limits.** A pipe and printed parts stand in for his tinned sheet-iron tube; use a food-grade pipe. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
Malzemeler
10- 1 adetYer Tutucu
- 1 adetYer Tutucu
- 1 adetYer Tutucu
- 2 adetYer Tutucu
- 1 adetYer Tutucu
- 1 adetYer Tutucu
- 1 adetYer Tutucu
- 2000 mlYer Tutucu
- 1 adetYer Tutucu
- 1 adetYer Tutucu
Gerekli Aletler
8- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
- Yer Tutucu
Tasarım dosyaları
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CC0 Kamu Malı
Bu plan CC0 lisansıyla yayınlanmıştır. İzin almadan kopyalayabilir, değiştirebilir, dağıtabilir ve herhangi bir amaçla kullanabilirsiniz.
Planı üzerinden ürün satın alarak Maker'ı destekleyin, böylece Maker Komisyonu Satıcılar tarafından belirlenen komisyonu kazanırlar veya bu Planın yeni bir versiyonunu oluşturun ve gelir paylaşımı için kendi Planınıza bağlantı olarak ekleyin.