SANAA
UREMBO NA USTAWI
UJANJA
UTAMADUNI NA HISTORIA
BURUDANI
MAZINGIRA
CHAKULA NA VINYWAJI
UHANDISI WA KINYUME
SAYANSI
MICHEZO
TEKNOLOJIA
VAZI
Flanged-Float Upcurrent Churn: Flanges Drive the Cream Up the Sides, It Falls Down the Middle
Silas Hewit of Seneca Falls, New York, received US 17,790, dated 14 July 1857, for floats with a flange on each outward edge "set on an angle of about 70 degrees with the bottom of the churn," their tops curved inward, leaving "about one to two inches" by the shaft for the cream to fall through.
This rung prints the floats, step and gears, builds the churn and makes butter.
Mwanzo
About 3 hours, plus printing
Maagizo
1
1
Up the sides, down the middle
Up the sides, down the middle
Inapakia daftari la Jupyter…
2
2
A loop up and down before it
A loop up and down before it
Wade sends the cream up the sides and down a disk's aperture; Hewit up the floats and down by the shaft.
3
3
Read US 17,790
Read US 17,790
"The great advantage of the flanges consists in their forcing the cream continually in an upward current, and the angle of the floats at the top inclining inward the cream thus forced up is allowed to fall around the shaft downward through the center of the churn to the bottom of the tub, where it is again caught by the flanges and is again forced upward."
4
4
Print the parts
Print the parts
Print two floats, the step, the crown wheel, the pinion and the standard. Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
Vifaa kwa hatua hii:
Uzi wa PETG1 kipandeZana zinazohitajika:
Printa ya 3D ya nyuzi (FDM)5
5
Print the float
6
6
Print the step
7
7
Print the crown wheel
Print the crown wheel
The crown wheel, printed as step 4 describes.
8
8
Print the pinion
9
9
Print the standard
Print the standard
The standard, printed as step 4 describes.
10
10
Shaft and floats
Shaft and floats
Drill two 8 mm holes through a 10 mm square hardwood shaft, 75 mm apart, and push 8 mm dowels through them as the arms. Glue a float onto each pair of arm ends, about 35 mm out from the shaft, pitched at 70 degrees to the bottom. Stand the shaft in the step in a tapered food-grade bucket.
Vifaa kwa hatua hii:
Vijiti vya mbao ngumu1 kipande
Gundi ya Mbao1 kipande
Ndoo ya Lita 201 kipandeZana zinazohitajika:
Msumeno wa mkono
Kekee cha Betri
Seti ya vichimbuzi11
11
Lid, gears and crank
Lid, gears and crank
Fix half the lid with a hole for the shaft, the pinion on its top and the standard with the crown wheel meshing it; screw a dowel handle into the wheel.
Vifaa kwa hatua hii:
Ufito wa chuma laini1 kipandeVijiti vya mbao ngumu1 kipande
Skrubu ya mti #8 x inchi 11 kipandeZana zinazohitajika:
Seti ya bisibisiKekee cha Betri12
12
The build in 3D
The build in 3D
FreeCAD model of this build: the bucket cut away to show the two flanged floats on their arms, pitched at 70 degrees, the gap by the shaft, and the crown wheel and pinion.
13
13
Churn
Churn
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres. Crank steadily so the cream rises at the sides and falls by the shaft; 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.
Vifaa kwa hatua hii:
Malai nzito2000 ml
Chumvi ya Bahari Mbichi1 kipande
Maji1 kipandeZana zinazohitajika:
Kipima joto chenye kijiti kinachobaki ndani
Saa ya kupima muda
Mizani ya dijitali ya jikoni
Bakuli kubwa la kuchanganyia la chuma cha pua14
14
Troubleshooting
Troubleshooting
Flanged-float churn troubleshooting.
Flow
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15
15
History and honest limits
History and honest limits
**Silas Hewit** of Seneca Falls, Seneca County, New York, US 17,790, 14 July 1857. He wrote that he had "found by experiment" these angles gave the most powerful agitation. He claimed the floats in combination with the flanges. A bucket and printed parts stand in for his tub. FDM prints hold food in their layer lines, so wash well and replace when worn.
Vifaa
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