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문화 및 역사
엔터테인먼트
환경
음식 및 음료
역공학
과학
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기술
웨어러블
Tilting-Tub Counter-Fan Churn: Two Fans Turn Opposite Ways, the Tub Tips to Drain and Work
Brown and Bigelow wanted one churn to make the butter and then work it, by tipping the tub on its side.
Lucian A. Brown and Hubbard Bigelow of Hartford, Connecticut, received US 9,311, dated 5 October 1852, assigned to Henry K. W. Welch. Their conical tub E swings on journals between two standards. The crank turns a fan H on the shaft G; a shell with inside gear on G's lower end turns, through a small pinion u, a spur gear t on a hollow shaft round G, which carries a second fan L the opposite way. A conical tube K, of tin or any other suitable material and watertight to the tub's bottom, keeps the cream from the hollow shaft. When the butter has come, the tub is tipped about 90 degrees: the buttermilk runs out at an aperture in the cover and the turning fans knead, work and roll the butter.
This rung works out the gear train, then prints the gears, inner fan and conical tube, builds the tub and frame, and makes and works butter.
고급
About 6 hours, plus printing
안내
1
1
The gear train
The gear train
Jupyter 노트북 불러오는 중…
2
2
Gears driving more than one beater before it
Gears driving more than one beater before it
The embedded blueprint drives several beaters from one crank through gears. Brown and Bigelow use an inside gear and a pinion to turn two fans opposite ways on one axis.
3
3
Read US 9,311
Read US 9,311
"In this horizontal position of the tub E we continue the rotation of the crank I, as in the operation of churning, and the butter thus becomes kneaded, worked and rolled, as the beater H in its revolutions scrapes the butter from the inside of the tub, while the beater L, revolving in the opposite direction, in close proximity to and inside of the other, will strike the butter forced over the beater H by the accumulation by scraping off the butter on the side of the tub, while the buttermilk and water, extracted from the butter by this process, runs down over the now inclined bottom of the tub E, and escapes by the aperture a' of the cover Z, Z, Z, into any receptacle placed under the aperture to receive it."
4
4
Print the parts
Print the parts
Print the shell gear S with 72 inside teeth (/uploads/blueprints/tilting-tub-counter-fan-churn-shell-gear.stl), the 12-tooth stud pinion u (/uploads/blueprints/tilting-tub-counter-fan-churn-stud-pinion.stl), the 48-tooth spur gear t printed in one with the hollow shaft x (/uploads/blueprints/tilting-tub-counter-fan-churn-spur-gear-and-hollow-shaft.stl), the inner fan L (/uploads/blueprints/tilting-tub-counter-fan-churn-inner-fan.stl) and the conical tube K (/uploads/blueprints/tilting-tub-counter-fan-churn-conical-tube.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls; wash before first use.
이 단계의 재료:
PETG 필라멘트1 개필요한 도구:
FDM 3D 프린터5
5
Tub, tube and frame
Tub, tube and frame
Use a tapered food-grade container about 250 mm across the top. Drill a 20 mm hole in the centre of its bottom and seal the conical tube's flange round it inside with food-safe silicone. Bolt a short carriage bolt through each side at mid-height as the journals d, with washers and silicone, and hang the tub by them in holes near the tops of two pine standards on a pine base. Screw a pine cross bar under the bottom (his q q) with a 4 mm screw standing down from it 37.5 mm off centre as the stud V, and a pine bridge below it (his n n) with a step hole for the shaft.
이 단계의 재료:
식품용 보관 용기1 개
실리콘 실런트1 개
둥근머리 볼트1 개
평와셔1 개
소나무 판재1 개
기계 나사1 개
육각 너트1 개
#8 × 1인치 나무 나사1 개필요한 도구:
홀소 세트
무선 드릴
드릴 비트 세트
손톱(핸드소)
드라이버 세트
멍키스패너6
6
Shafts, fans and crank
Shafts, fans and crank
Pass the hollow shaft up through the conical tube from below so the spur gear sits under the bottom, and glue the inner fan on its top just above the tube. Run a 10 mm stainless rod as the shaft G down through it, fix the shell gear on its foot with a set screw so the pinion on the stud meshes with both gears, and rest its end in the bridge's step. Bolt a pine bar F across the mouth as G's upper bearing; under it fix two hardwood blades reaching close to the tub's side as fan H, and above it a crank. A pine fork pivoted on the bridge, its handle pinned to the frame, holds the tub upright. Cut the container's lid in two, with a hole near the rim of one half as the aperture a'.
이 단계의 재료:
연강 환봉1 개
단단한 나무 목심1 개소나무 판재1 개
2액형 에폭시1 개기계 나사1 개#8 × 1인치 나무 나사1 개필요한 도구:
쇠톱(핵소)무선 드릴드릴 비트 세트드라이버 세트
실톱(코핑 소)7
7
The build in 3D
The build in 3D
FreeCAD model of this build, not of the patent: the conical tub cut away on its journals between the standards, the outer fan H, the conical tube K with the inner fan L on the hollow shaft above it, and under the bottom the shell gear, stud pinion and spur gear between the cross bar and bridge.
8
8
Churn, tip and work
Churn, tip and work
Let the heavy cream stand until it reaches about 15 °C, checked with the thermometer. Pour in 2 litres, fit both cover halves and crank steadily; time until the butter comes. Set a jug under the aperture, free the fork and tip the tub about 90 degrees onto its side, aperture down; crank on so the fans knead the butter while the buttermilk runs out. Stand it up, add cold water, churn a little, tip and drain again until the water runs clear; work in a pinch of salt the same way and weigh the butter.
이 단계의 재료:
생크림2000 ml
굵은 천일염1 개
물1 개필요한 도구:
꽂아 두는 프로브 온도계
스톱워치
디지털 주방 저울
큰 스테인리스강 믹싱볼9
9
Gears that jam, a tub that leaks
Gears that jam, a tub that leaks
Tilting-tub counter-fan churn troubleshooting.
Flow
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10
10
History and honest limits
History and honest limits
**Lucian A. Brown and Hubbard Bigelow** of Hartford, Connecticut, assignors to Henry K. W. Welch, received US 9,311, dated 5 October 1852; they signed the specification on 12 April 1852. They wrote that a cover is needed to stop the cream spattering, though the figure does not show it, and that working the butter in the tub saves lifting and the buttermilk. The ratio of 2 to 3, they wrote, was "a fact only learned by experiments, and corroborated by their repetition." They claimed the combination of the tub E and its appendages with the frame and standards, or any other frame adapted to use the tub in a vertical and a horizontal position.
**Honest limits.** A container, pine and printed parts stand in for theirs; the gear sizes are ours. FDM prints hold food in their layer lines, so wash well and replace when worn. Your times and weights are the result.
재료
15- 1 개플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 2 개플레이스홀더
- 1 개플레이스홀더
- 플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
- 2000 ml플레이스홀더
- 1 개플레이스홀더
- 1 개플레이스홀더
필요 도구
13- 플레이스홀더
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