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Folding Slat-Box Dasher Churn: A Slatted Parallelogram That Folds to Squeeze the Cream
Clement came back three years after his V-bottom churn with a dasher that folds itself flat.
Edwin B. Clement of Barnet, Caledonia County, Vermont, received US 12,377, dated 13 February 1855, for a dasher that "will surround the cream and force it through spaces between the slats of the dasher by closing or folding together." Four arms carry four shafts at their ends; two arms have square holes for the crank shaft and two round holes for a rod; connecting bars fixed to the shafts join them; slats close the bottom and sides, and two slatted doors held by buttons close the top. Worked forward and back by the crank, "it will open and fold the dasher, and describe the inside of the vessel," whose shape follows the dasher's sweep.
This rung works out how much the box squeezes, then prints the arms, bars and bearings, builds the slatted dasher, and makes and washes butter.
高级
About 6 hours, plus printing
说明
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1
How much it squeezes
How much it squeezes
正在加载 Jupyter 笔记本…
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2
His own earlier churn
His own earlier churn
The embedded blueprint is Clement's 1852 dasher, whose floats close into a V to drive the cream up. In 1855 he folds a whole slatted box.
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3
Read US 12,377
Read US 12,377
"Put in the cream and steadily move the crank forward and back. After the butter becomes separated from the milk, put all the butter into the dasher, draw off the butter milk, and put in a sufficient quantity of pure cold water, and operate as in churning and the butter will be completely washed and ready for the salt."
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4
Print the parts
Print the parts
Print two arms with square centre holes (/uploads/blueprints/folding-slat-box-dasher-churn-arm-square.stl), two with round ones (/uploads/blueprints/folding-slat-box-dasher-churn-arm-round.stl), four connecting bars (/uploads/blueprints/folding-slat-box-dasher-churn-bar.stl), two bearing boxes (/uploads/blueprints/folding-slat-box-dasher-churn-bearing-box.stl) and two journal sleeves for the crank shaft (/uploads/blueprints/folding-slat-box-dasher-churn-journal-sleeve.stl). Print the arms and bars flat. 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
The folding box
The folding box
Cut four 10 mm hardwood dowels 174 mm long as the shafts D. Put a square arm and a round arm at each end, the dowels' ends turning loosely in the arms' end holes, and glue a bar across each end of the top pair of dowels and of the bottom pair. Screw thin hardwood slats along the arms' outer edges and under the bottom bars, leaving gaps of about 5 mm, and make two slatted doors for the top, pinned to the top bars and held by turn buttons.
此步骤所需材料：
硬木销钉1 个
木工胶1 个
#8 × 1 英寸木螺钉1 个所需工具：
手锯
充电式电钻
钻头套装
螺丝刀套装
砂纸6
6
Vessel, crank and rod
Vessel, crank and rod
Use a rectangular food-grade container about 260 by 180 mm and 230 mm deep, so the dasher's corners clear it when folded. Screw a bearing box outside each end wall, 100 mm apart, at the arms' pivots. Glue the journal sleeves on the ends of a 10 mm square hardwood crank shaft through the square holes, with a strip of spring steel in each box's slot as his spring P; push a 6 mm stainless rod through the other box and the round holes, and fit a crank arm and handle.
此步骤所需材料：
食品级贮存容器1 个
低碳钢圆棒1 个
弹簧钢带1 个
松木板1 个#8 × 1 英寸木螺钉1 个
硅酮密封胶1 个所需工具：
充电式电钻
开孔器套装
钢锯螺丝刀套装7
7
The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: the vessel cut open, the dasher's two pairs of arms on the crank shaft and the rod, leaning part-way, with the four shafts, connecting bars and slats of the folding box.
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8
Fold, then wash in the box
Fold, then wash in the box
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres and work the crank steadily forward and back; time until the butter comes. Open the doors, put the butter into the dasher, close them, draw off the buttermilk, pour in cold water and work it as before until the water 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
A box that jams
A box that jams
Folding slat-box dasher troubleshooting.
Flow
Loading...
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10
History and honest limits
History and honest limits
**Edwin B. Clement** of Barnet, Caledonia County, Vermont, received US 12,377, dated 13 February 1855; his earlier folding-float churn is US 8,671 of 1852. He bored the arms' holes "sufficiently large to receive the journals of the shafts ... and not swell and become tight when wet," and cut a thread on the rod to hold it. His vessel's ends are curved to the dasher's sweep. He claimed "the folding dasher operating as described."
**Honest limits.** A rectangular container stands in for his shaped vessel, and our sizes are ours. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
材料
12- 1 个占位符
- 1 个占位符
- 1 个占位符
- 2 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
12- 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
- 占位符
- 占位符
- 占位符
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