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Channel-Ring Dasher Churn: A Hollow Column of Cream Traps Air at Every Stroke
Moses D. Wells of Morgantown, Virginia, received US 13,281, dated 17 July 1855, for a dasher of a central disk and a ring "separated by a passage or channel whose sides incline inward and upward, toward the dasher shaft." Each down stroke throws up a hollow column of cream that closes over air.
This rung prints the dasher and lever bracket, builds the churn and makes butter.
初学者
About 3 hours, plus printing
说明
1
1
The channel
The channel
正在加载 Jupyter 笔记本…
2
2
An up-and-down dasher before it
An up-and-down dasher before it
Webber forces cream up between two cones; Wells forces it up a channel.
3
3
Read US 13,281
Read US 13,281
"Its descent causes a rush of cream through the channel e, which current taking the direction of the sides of the channel, forms a continuous hollow column of cream, running upward toward the shaft c, where it meets and incloses the body of air which has been drawn down by the disk portion of the dasher."
4
4
Print the parts
Print the parts
Print the dasher (/uploads/blueprints/channel-ring-dasher-churn-dasher.stl) and the lever bracket (/uploads/blueprints/channel-ring-dasher-churn-lever-bracket.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
此步骤所需材料：
PETG线材1 个所需工具：
FDM 3D 打印机5
5
Churn and dasher
Churn and dasher
Use a straight-sided round food-grade container about 190 mm across inside. Glue a 10 mm square hardwood shaft into the dasher and pass it up through a hole in the lid.
此步骤所需材料：
食品级贮存容器1 个
硬木销钉1 个
双组分环氧胶1 个所需工具：
手锯
充电式电钻
钻头套装6
6
The lever
The lever
Screw the bracket to the churn's side. Pin a pine link in it, pin a pine lever to the link's top, and pin the lever's short end to the shaft.
此步骤所需材料：
松木板1 个
低碳钢圆棒1 个
#8 × 1 英寸木螺钉1 个所需工具：
手锯充电式电钻
螺丝刀套装7
7
The build in 3D
The build in 3D
FreeCAD model of this build: the churn cut away to show the disk-and-ring dasher with its sloping channel, the shaft and the lever on its link and bracket.
8
8
Churn
Churn
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres. Work the lever so the dasher lifts clear of the cream each 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.
此步骤所需材料：
鲜奶油2000 毫升
粗海盐1 个
水1 个所需工具：
留置式探针温度计
秒表
数字厨房秤
大号不锈钢搅拌盆9
9
Troubleshooting
Troubleshooting
Channel-ring dasher troubleshooting.
Flow
Loading...
10
10
History and honest limits
History and honest limits
**Moses D. Wells** of Morgantown, Monongalia County, Virginia, US 13,281, 17 July 1855. He claimed the dasher with an inclined continuous channel for the upward flow of a hollow column of cream. A container and printed parts stand in for his churn. FDM prints hold food in their layer lines, so wash well and replace when worn.
材料
10- 1 个占位符
- 1 个占位符
- 1 个占位符
- 1 个占位符
- 1 个占位符
- 1 个占位符
- 1 个占位符
- 2000 毫升占位符
- 1 个占位符
- 1 个占位符
所需工具
9- 占位符
- 占位符
- 1 vendor sell this, none ship to you yet占位符
- 占位符
- 占位符
- 占位符
- 占位符
- 占位符
- 占位符
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