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Endless-Chain Trailing-Paddle Churn: Paddles Hung on a Chain Drag Through the Cream
Buttercup

Nilikha ni

Buttercup

7. Oktubre 2026IE
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Endless-Chain Trailing-Paddle Churn: Paddles Hung on a Chain Drag Through the Cream

Harvey Brown of New York received US 19,828, dated 6 April 1858, for a churn in which two shafts across a box carry notched wheels, an endless chain of links and connecting rods runs over them, and trailing paddles hang from the rods, twelve in his model. This rung prints the wheels, links and paddles, builds the box and makes butter.
Abantado
About 5 hours, plus printing

Mga Tagubilin

1

The chain in numbers

Naglo-load ng Jupyter notebook…
2

Paddles on a cylinder, before it

Pike set paddles on a turning cylinder; Brown hung them on an endless chain.
3

Read US 19,828

"The object of this invention is the churning of butter by agitation incidentally but more particularly by friction from the operation of the trailing paddles as attached to an endless chain in this invention, or to a single cylinder to which they might be attached and inclosed in a corresponding box."
4

Print the parts

Print four notched wheels (/uploads/blueprints/endless-chain-trailing-paddle-churn-notched-wheel.stl), 24 links (/uploads/blueprints/endless-chain-trailing-paddle-churn-link.stl) and 12 paddles (/uploads/blueprints/endless-chain-trailing-paddle-churn-paddle.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Mga materyales para sa hakbang na ito:

PETG filamentPETG filament1 piraso

Mga kailangang kasangkapan:

Limbagang 3D na FDMLimbagang 3D na FDM
5

Box and shafts

Use a food-grade container about 360 × 140 × 200 mm. Drill its sides for two 10 mm square hardwood shafts, 150 mm apart and 90 mm above the floor; one passes out through the side for the crank. Fix two wheels on each shaft, 88 mm apart, and seal the holes.

Mga materyales para sa hakbang na ito:

Sisidlan ng imbakan na antas pagkainSisidlan ng imbakan na antas pagkain1 piraso
Mga tarugong matigas na kahoyMga tarugong matigas na kahoy1 piraso
Silicone SealantSilicone Sealant1 piraso

Mga kailangang kasangkapan:

Walang-Kableng BarenaWalang-Kableng Barena
Hanay ng Talim ng BarenaHanay ng Talim ng Barena
Lagaring PangkamayLagaring Pangkamay
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Chain and paddles

Cut twelve 104 mm rods of 4 mm steel. Join them with the links, two at each end, into an endless chain; thread a paddle on each rod by its eye. Lay the chain over the wheels, a rod in every notch, and glue a pine crank on the long shaft.

Mga materyales para sa hakbang na ito:

Bilog na Bara ng Malambot na AseroBilog na Bara ng Malambot na Asero1 piraso
Tablang pinoTablang pino1 piraso
Pandikit sa KahoyPandikit sa Kahoy1 piraso

Mga kailangang kasangkapan:

Lagaring Pang-metalLagaring Pang-metal
Kikil na Pang-metalKikil na Pang-metal
7

The build in 3D

FreeCAD model of this build: the box cut open to show the two shafts, four notched wheels, the twelve-rod chain and the trailing paddles dragging along its lower run.
File ng DisenyoBLENDCC0 - Free
8

Crank and churn

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 1.5 litres. Crank so the top of the chain moves away from the crank; the paddles trail through the cream. 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.
Hakbang 8 - Image 1

Mga materyales para sa hakbang na ito:

Makapal na kremaMakapal na krema1500 ml
Magaspang na Asin sa DagatMagaspang na Asin sa Dagat1 piraso
TubigTubig1 piraso

Mga kailangang kasangkapan:

Termometro na naiiwang nakatusokTermometro na naiiwang nakatusok
Panukat ng OrasPanukat ng Oras
Digital na Timbangang PangkusinaDigital na Timbangang Pangkusina
Malaking mangkok na panghalo na asero na hindi kinakalawangMalaking mangkok na panghalo na asero na hindi kinakalawang
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Troubleshooting

Endless-chain churn troubleshooting.

Flow

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History and honest limits

**Harvey Brown** of New York, US 19,828, 6 April 1858. He claimed the arrangement of the trailing paddles, wheels and gearing. He also allowed a floating board on the cream to add friction on the paddles' return; we leave it out. His drawing gives no sizes; ours are ours. FDM prints hold food in their layer lines, so wash well and replace when worn.

Mga Materyales

10

Mga Kinakailangang Kasangkapan

10

Mga design file

1

Ang blueprint na ito ay gumagawa ng

CC0 Pampublikong Domain

Ang blueprint na ito ay inilabas sa ilalim ng CC0. Malaya kang kumopya, magbago, mamahagi, at gumamit nang walang pahintulot.

Suportahan ang Maker sa pamamagitan ng pagbili ng mga produkto sa kanilang Blueprint Komisyon ng Maker itinakda ng mga Vendor, o lumikha ng bagong bersyon ng Blueprint na ito at isama bilang koneksyon sa iyong Blueprint upang ibahagi ang kita.

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