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Lid-Hung Cutter Churn: Every Moving Part Lifts Out With the Lid
Warner found rotary dashers with "a step in the bottom of the churn for the end of the axis" hard to assemble with milk in the churn, easily broken if the axle missed its step, and hard to clean.
Chapman Warner of Louisville, Kentucky, received US 6,527, dated 12 June 1849, for a churn whose vertical shaft and rotary dasher are suspended from the movable lid, with no pivot or step at the bottom. A hollow column on the lid carries two bearings; the dasher is a quadrangular frame of wings at the top, thin sharp vertical cutters, and cutting arms at the foot; fixed arms with holes hang from the lid to interrupt the cream's circular motion.
This rung works out why the bearings sit far apart, then prints the column, rotor and breaker arms, hangs them from a pot lid, and makes butter.
中级
About 4 hours, plus printing
说明
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Why two bearings far apart
Why two bearings far apart
正在加载 Jupyter 笔记本…
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A stepped rotary dasher and breakers before it
A stepped rotary dasher and breakers before it
The embedded blueprint steps its dasher on the bottom and fixes breakers to the tub. Warner hangs both dasher and breakers from the lid.
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Read US 6,527
Read US 6,527
"Making the moving parts of the churn consisting of a vertical shaft and rotary dasher constructed substantially as above specified, to be suspended and combined with the movable lid B, as above described thereby dispensing with a pivot or step at the lower end of shaft for the purposes set forth so that said moving parts can be readily lifted from the churn and again be replaced."
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Print the parts
Print the parts
Print the rotor on its side (/uploads/blueprints/lid-hung-cutter-churn-rotor.stl): wings, two sharp vertical cutters and cutting arms in one frame. Print the column (/uploads/blueprints/lid-hung-cutter-churn-column.stl), two breaker arms (/uploads/blueprints/lid-hung-cutter-churn-breaker-arm.stl) and the crank arm (/uploads/blueprints/lid-hung-cutter-churn-crank-arm.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
The lid
The lid
Cut a plywood lid to sit on a stock pot about 220 mm across. Drill its centre for the shaft, a hole near the centre for air, and small holes near its edge for air to escape. Screw the column on over the centre, and the two breaker arms underneath, opposite each other, near the rim.
此步骤所需材料：
胶合板1 个
#8 × 1 英寸木螺钉1 个所需工具：
钢丝锯（曲线锯）
充电式电钻
钻头套装
螺丝刀套装6
6
Shaft and crank
Shaft and crank
Glue the rotor on a 10 mm square hardwood shaft, rounded where it runs in the column, so it reaches to within about 15 mm of the pot's bottom. Pass it up through the lid and column and glue the crank arm and a dowel handle on top.
此步骤所需材料：
硬木销钉1 个
木工胶1 个所需工具：
手锯
砂纸7
7
The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: the pot cut away to show the rotor frame hanging from the lid on its shaft, clear of the bottom, a breaker arm from the lid, the column with its two bearings, and the crank.
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Crank and make butter
Crank and make butter
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Set the lid on with its rotor and crank steadily, sharp edges leading; time until the butter comes. Lift lid and rotor out together, then 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1500 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 rotor that wobbles, cutters that strike
A rotor that wobbles, cutters that strike
Lid-hung cutter churn troubleshooting.
Flow
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History and honest limits
History and honest limits
**Chapman Warner** of Louisville, Jefferson County, Kentucky, received US 6,527, dated 12 June 1849. His column had an arm for a bevel wheel meshing a pinion on the shaft's top; the cutters were an inch wide, sharp in front and grooved behind; he suggested wires between the shaft and the cutters to spread air through the cream.
**Honest limits.** Our crank turns the shaft directly, without his bevel wheel and pinion, and printed parts and a stock pot stand in for his. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
材料
8- 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
- 1500 毫升占位符
- 1 个占位符
- 1 个占位符
所需工具
11- 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
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