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Partition Air-Tube Plunger Churn: Cream Rushing Through Branch Tubes Draws Air Down
O'Neil used the rush of the cream itself to draw air into it.
John O'Neil of Xenia, Ohio, received US 7,531, dated 30 July 1850, for an atmospheric churn: a box divided by a movable partition with its lower edge perforated; an air tube down the partition with a bowl at its top, in the lid, holding a spring-closed hinged valve; a horizontal tube at its foot and branch tubes through the partition's lower edge, which "serve the double purpose of breaking the cream as it passes through and of communicating the current of atmosphere to the opposite apartment." Two plungers on a rocking lever, one cut to pass over the air tube, work oppositely.
This rung estimates the suction, then prints the partition with its tubes, the valve bowl and the plungers, builds the box and lever, and makes butter.
上級者
About 5 hours, plus printing
手順
1
1
The suction
The suction
Jupyter ノートブックを読み込み中…
2
2
Two plungers forcing cream through holes before it
Two plungers forcing cream through holes before it
The embedded blueprint throws cream between three chambers. O'Neil uses two, and lets the cream's rush through branch tubes draw air down an air tube.
3
3
Read US 7,531
Read US 7,531
"The depression of one, and the same time the elevation of the other causes the cream to be violently rushed through the horizontal tubes d, d, and the holes in the partition from one apartment to the other alternately. The passage of the cream through the tubes d, d, causes a suction of the atmosphere down the pipe b, through the horizontal part of the tube c, to d, d, and thence to the body of cream in each apartment."
4
4
Print the parts
Print the parts
Print the partition with its air tube, foot tube and branches in one piece, with supports. Blow through the tube's top to check air comes out of both branches. Print the valve bowl, one plunger and one notched plunger. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
このステップの材料:
PETGフィラメント1 個必要な工具:
FDM 3D プリンター5
5
Print the partition with its air tube, foot tube and branches
Print the partition with its air tube, foot tube and branches
The partition with its air tube, foot tube and branches, printed as step 4 describes.
6
6
Print the valve bowl
7
7
Print the plunger
8
8
Print the notched plunger
Print the notched plunger
The notched plunger, printed as step 4 describes.
9
9
Box, partition and valve
Box, partition and valve
Take a food-safe box about 220 × 120 × 180 mm and fit two plywood strips inside the long sides at the middle as grooves, so the partition slides in and out. Drill the lid over the air tube's top and seat the bowl's spigot onto the tube through it. Hinge a small leather flap on the bowl's seat with a light spring, as his, so air passes down but cream cannot rise.
このステップの材料:
食品級の保存容器1 個
合板1 個
革の細帯1 個
シリコーンシーラント1 個必要な工具:
糸のこ（コーピングソー）
コードレスドリル
ドリルビットセット10
10
Plungers and lever
Plungers and lever
Glue a 12 mm hardwood dowel rod in each plunger, the notched one on the side of the air tube. Screw a pine standard to each side of the box at the middle, pass a dowel axle through them and a pine lever, and join each rod to the lever on a loose screw.
このステップの材料:
堅木のダボ1 個
松板1 個
小ねじ1 個
六角ナット1 個
木工用接着剤1 個
#8 × 1 インチ木ねじ1 個必要な工具:
手のこぎりコードレスドリルドリルビットセット
ドライバーセット11
11
The patent drawing
The patent drawing
US 7,531 drawing sheet, public domain (expired patent).
12
12
Rock and make butter
Rock and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Rock the lever briskly; bubbles should come from the branch tubes. 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.
このステップの材料:
生クリーム1500 ml
粗い海塩1 個
水1 個必要な工具:
差しっぱなしのプローブ温度計
ストップウォッチ
デジタルキッチンスケール
ステンレス鋼の大きな混ぜ鉢13
13
No air, cream in the bowl
No air, cream in the bowl
Partition air-tube churn troubleshooting.
Flow
Loading...
14
14
History and honest limits
History and honest limits
**John O'Neil** of Xenia, Greene County, Ohio, received US 7,531, dated 30 July 1850. His plungers had parts of two sides cut away, leaving about 1½ inches at each corner, "for the purpose of gathering the butter above the dasher." He claimed the construction of the air tubes in combination with the plungers and partition.
**Honest limits.** Printed parts and a food-safe box stand in for his; the notebook's pressure drop is a rough estimate. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
材料
14- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
- プレースホルダー
- 1500 mlプレースホルダー
- 1 個プレースホルダー
- 1 個プレースホルダー
必要な工具
10- プレースホルダー
- プレースホルダー
- 1 vendor sell this, none ship to you yetプレースホルダー
- プレースホルダー
- プレースホルダー
- プレースホルダー
- プレースホルダー
- プレースホルダー
- プレースホルダー
- プレースホルダー
設計ファイル
4この設計図で作るもの
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