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S-Dasher Friction-Board Churn: A Double-Curved Dasher Throwing Cream Over Grooved Boards
Woody

Dicipta oleh

Woody

6. Oktober 2026NO
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S-Dasher Friction-Board Churn: A Double-Curved Dasher Throwing Cream Over Grooved Boards

The Walkers lined a square churn with grooved boards so the cream would be thrown against them "thus keeping up a constant friction on all sides." William Walker and Matthew C. Walker of Lancaster, Pennsylvania, received US 7,554, dated 6 August 1850, for a square water-tight box about fourteen inches each way holding about 40 quarts, half filled, with a "double curved or S shaped dasher" revolving in the centre by a crank and a thumb screw. Four grooved cross pieces run along each side of its curved ends; a friction board grooved underneath inclines across the top; a triangular board returns the cream onto it; a grooved friction piece sits in the lower right corner. This rung checks the box's capacity, then prints the S dasher, friction boards and corner piece, fits them in a box, and makes butter.
Pertengahan
About 4 hours, plus printing

Arahan

1

Capacity

Memuatkan buku nota Jupyter…
2

A shaped dash in a box churn before it

The embedded blueprint twists its wings into a screw. The Walkers bend theirs into an S and add grooved boards round the box for friction.
3

Read US 7,554

"As the churn is put in operation, the cream is thrown against the grooves of the incline board E, dashed around and under it, and passed over and against the friction piece G, in the right hand corner of box, while the ends of the dasher H and wide cross piece N keep the cream continually dashing against the grooves of the incline board E thus keeping up a constant friction on all sides."
4

Print the parts

Print the S dasher with its four grooved cross pieces in one piece (/uploads/blueprints/s-dasher-friction-board-churn-s-dasher.stl), the grooved incline board (/uploads/blueprints/s-dasher-friction-board-churn-incline-board.stl), the grooved corner piece (/uploads/blueprints/s-dasher-friction-board-churn-corner-piece.stl) and the crank arm (/uploads/blueprints/s-dasher-friction-board-churn-crank-arm.stl). 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

Fit the box

Take a food-safe box about 180 mm each way. Glue the incline board across the top, sloping down to within 20 mm of the left side, grooves underneath, and a triangular plywood board on that side to turn the cream back onto it. Glue the corner piece in the lower right corner. Drill both ends on the centre for the dasher's shaft.

Bahan untuk langkah ini:

Bekas simpanan gred makananBekas simpanan gred makanan1 keping
Kepingan papan lapisKepingan papan lapis1 keping
Pengedap SilikonPengedap Silikon1 keping

Alatan diperlukan:

Gergaji LengkungGergaji Lengkung
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set Mata GerudiSet Mata Gerudi
PengapitPengapit
6

Dasher and crank

Pass a 10 mm square hardwood shaft through the box and the dasher, glue the crank arm and a dowel handle on one end, and hold the other with a thumb screw through a washer, as theirs. Cut an air hole in the lid.

Bahan untuk langkah ini:

Pasak kayu kerasPasak kayu keras1 keping
Skru mesinSkru mesin1 keping
Sesendal RataSesendal Rata1 keping
Gam KayuGam Kayu1 keping

Alatan diperlukan:

Gergaji TanganGergaji Tangan
Gerudi Tanpa WayarGerudi Tanpa Wayar
Set pemutar skruSet pemutar skru
7

The patent drawing

US 7,554 drawing sheet, public domain (expired patent).
Langkah 7 - Image 1
8

Crank and make butter

Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Fill the box half full, about 2.9 litres. Crank steadily; 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.

Bahan untuk langkah ini:

Krim pekatKrim pekat2900 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)
9

Dasher that strikes, cream that escapes

S-dasher friction-board troubleshooting.

Flow

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10

History and honest limits

**William Walker and Matthew C. Walker** of Lancaster, Pennsylvania, received US 7,554, dated 6 August 1850. Their box was of inch boards; a ledge at the top confined the lid, with a projecting strip on its underside to close it tight, and an aperture M let the air through. They claimed the double-curved S-shaped dasher with the grooved pieces. **Honest limits.** A food-safe box and printed parts stand in for their wooden churn, at about a third of its size. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.

Bahan

11

Alatan Diperlukan

11

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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