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Two-Compartment Gate Churn: Paddles Drive the Cream Through a Slotted Gate Into an Open Side and Round Again
Buttercup

Dicipta oleh

Buttercup

7. Oktober 2026IE
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Two-Compartment Gate Churn: Paddles Drive the Cream Through a Slotted Gate Into an Open Side and Round Again

Silas F. Lefler of Racine, Wisconsin, received US 19,034, dated 5 January 1858, for a churn divided into a closed compartment, where spiral paddles turn under a housing, and an open one, joined by gateways at the partition's foot. A slotted gate in one gateway breaks the current, and the cream, driven into the open side, "is exposed to the action of the fresh air" before it returns. This rung prints the partition, gate and paddle hubs, builds the churn and makes and gathers butter.
Pertengahan
About 4 hours, plus printing

Arahan

1

A loop through the open side

Memuatkan buku nota Jupyter…
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Cream sent round a divided vessel, before it

True splits the cream round a separator; Lefler drives it in a loop through a gate and an open side.
3

Read US 19,034

"The shaft with the paddles being then revolved, the cream in the close compartment (A) will be forced through the gate (G), thus breaking its direct motion and causing it to force its way into the open compartment (B) in a highly agitated state most propitious for the formation of butter."
4

Print the parts

Print the partition with its gateways and guideways (/uploads/blueprints/two-compartment-gate-churn-partition.stl), the slotted gate (/uploads/blueprints/two-compartment-gate-churn-gate.stl) and three paddle hubs (/uploads/blueprints/two-compartment-gate-churn-paddle-hub.stl). The partition needs a bed at least 240 mm long. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.

Bahan untuk langkah ini:

Filamen PETGFilamen PETG1 keping

Alatan diperlukan:

Pencetak 3D filamen (FDM)Pencetak 3D filamen (FDM)
5

Box, partition and shaft

Use a rectangular food-grade container about 240 by 170 mm and 180 mm deep. Stand the partition across its length 50 mm from one side, sealed at its ends with food-safe silicone. Run a 10 mm square hardwood shaft through the container's ends in the larger compartment, the three hubs on it each turned 40 degrees, with a crank outside.

Bahan untuk langkah ini:

Bekas simpanan gred makananBekas simpanan gred makanan1 keping
Pengedap SilikonPengedap Silikon1 keping
Pasak kayu kerasPasak kayu keras1 keping
Papan painPapan pain1 keping
Gam KayuGam Kayu1 keping

Alatan diperlukan:

Gergaji TanganGergaji Tangan
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
6

Housing and gate

Bend a strip of thin stainless sheet over the paddles as the housing, screwed to the container's ends. Slide the gate into the guideways in front of the gateway on the side where the paddles rise.

Bahan untuk langkah ini:

Kepingan keluli tahan karat - 304Kepingan keluli tahan karat - 3041 keping
Skru mesinSkru mesin1 keping

Alatan diperlukan:

Gunting kepingan logamGunting kepingan logam
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set pemutar skruSet pemutar skru
7

The patent drawing

US 19,034 drawing sheet, public domain (expired patent).
Langkah 7 - Image 1
8

Churn, then gather

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour 2 litres into the open side. Crank steadily; time until the butter comes. Move the gate to the other gateway and crank on until the butter has gathered in the open side before it, then lift it out. 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.

Bahan untuk langkah ini:

Krim pekatKrim pekat2000 ml
Garam Laut KasarGaram Laut Kasar1 keping
AirAir1 keping

Alatan diperlukan:

Termometer prob kekalTermometer prob kekal
Jam RandikJam Randik
Penimbang Dapur DigitalPenimbang Dapur Digital
Mangkuk adun keluli tahan karat (besar)Mangkuk adun keluli tahan karat (besar)
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Troubleshooting

Two-compartment churn troubleshooting.

Flow

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History and honest limits

**Silas F. Lefler** of Racine, Wisconsin, US 19,034, 5 January 1858. He made the partition and shaft removable so the churn could be cleaned thoroughly. He claimed the churn of an open and a closed compartment with gateways and a gate passing the cream in a continuous current and gathering the butter. A stainless strip stands in for his housing; a container and printed parts for the rest. FDM prints hold food in their layer lines, so wash well and replace when worn.

Bahan

11

Alatan Diperlukan

10

CC0 Domain Awam

Blueprint ini dikeluarkan di bawah CC0. Anda bebas menyalin, mengubah, mengedar, dan menggunakan karya ini untuk sebarang tujuan, tanpa meminta kebenaran.

Sokong Pembuat dengan membeli produk melalui Blueprint mereka di mana mereka memperoleh Komisen Pembuat ditetapkan oleh Penjual, atau cipta iterasi baru Blueprint ini dan sertakan ia sebagai sambungan dalam Blueprint anda sendiri untuk berkongsi hasil.

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