Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Rack-and-Pinion Opposed-Dasher Churn: Two Rows of Hanging Dashers Move Opposite Ways Through Slots in the Lid
Nelson Gabel of Gratis, Ohio, received US 33,080, dated 20 August 1861, for a box churn worked by racks and a pinion. Two slides lie on the lid over two slots, each carrying three dashers that hang down into the cream. A rack on each slide meshes a pinion between them, so when a lever on a standard pushes one slide to and fro, the other moves the opposite way. The currents meet and break against each other and the box's ends.
The patent gives no sizes; every size here is ours.
Hagati
About 3 days
Amabwiriza
1
1
Two rows passing each other
Two rows passing each other
Gupakira ikaye ya Jupyter…
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2
A frame slid to and fro on the lid, a year and a half before
A frame slid to and fro on the lid, a year and a half before
Morgan's sliding frame spins beaters by a cord. Gabel's two slides carry the dashers themselves, and a pinion makes them move against each other.
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3
Read US 33,080
Read US 33,080
"Thus it will be observed that when milk is put into the box and the lever (a) worked to and fro the agitation of the milk will be very great. As the currents each way will be broken and dashed in opposite directions the globules will thus be crushed both by sudden concussion against the side of the box and the violent reverse action of the currents."
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Box A on legs, top B with two slots
Box A on legs, top B with two slots
Glue up a hardwood box A 600 x 300 mm inside and 300 deep from 20 mm boards, the joints sealed with silicone sealant, and screw four hardwood legs 40 x 60 mm, 220 long below it. Cut a 20 mm HDPE or hardwood top B to fit over the mouth, with two slots 30 mm wide and 500 long, 33 mm either side of the centre line, and a 12.6 mm hole at the centre for the shaft C.
Ibikoresho by'iyi ntambwe:
Ikibaho cy'Igiti Gikomeye4 ibice
Ikinyabutabire cy'Ibiti1 igice
Igifunga cya silikone1 igice
Imisumari y'ibiti30 ibice
Urupapuro rwa HDPE1 igiceIbikoresho bikenewe:
Ikimasa cyo ku meza
Imashini ibaza inkombe
Umucumita wa Jigsaw
Icyuma Cyivumbura Kidafite Insinga
Ibyuma Byinshi byo Gucukura
Igifashe cy'inkoni
Ikusanyirizo ry'ibitorezi
Umugozi wo Gupima5
5
Print the racks b (two)
Print the racks b (two)
A rack: 416 mm long, module 2.5, 20 mm thick. Print two, in halves if the bed is short. PETG, 0.2 mm layers, 30 % infill, 4 walls.
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6
Print the pinion a
Print the pinion a
The pinion: 16 teeth, module 2.5, 20 mm thick, 12.2 mm bore. PETG, 0.2 mm layers, 30 % infill, 4 walls.
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Slides h, racks b, dashers k
Slides h, racks b, dashers k
Cut two hardwood slides h 560 x 50 x 25 mm and screw a rack b along the inner edge of each, teeth inward. Cut six 12 mm HDPE dashers 115 mm wide and 210 long; drill four 25 mm holes in four of them, the end ones. Screw each to a hardwood stem 20 x 20 mm, 90 long, and fix three stems under each slide, at its middle and 180 mm either side, to hang through the slot with the dashers 40 mm off the floor. Lay the slides on the top over the slots, racks facing.
Ibikoresho by'iyi ntambwe:
Ikibaho cy'Igiti Gikomeye1 igice
Fibere ya PETG1 igiceUrupapuro rwa HDPE1 igiceImisumari y'ibiti20 ibiceIkinyabutabire cy'Ibiti1 igiceIbikoresho bikenewe:
Imashini icapa 3D ikoresha umugozi (FDM)Ikimasa cyo ku mezaUmucumita wa Jigsaw
Agasanduku k'ibinyo bipfunyitseIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo GucukuraIkusanyirizo ry'ibitorezi8
8
Shaft C, pinion a and strap D
Shaft C, pinion a and strap D
Cut a 12 mm stainless shaft C 90 mm long, stand it in the top's centre hole and pin the pinion a on it meshing both racks. Bend a mild steel flat bar strap D over the pinion and the slides, bore it 12.6 mm over the shaft's top, and screw its feet to the top beyond the slides.
Ibikoresho by'iyi ntambwe:
Agati k'icyuma kitagira ingese1 igiceFibere ya PETG1 igice
Umurongo ugororotse w'icyuma cyoroshye1 igiceImisumari y'ibiti4 ibice
Agashinge gafite amaguru abiri1 igiceIbikoresho bikenewe:
Umucumita w'Ibyuma
Amakariso (Ikariso ry'Intoki)
Ifatiro ry'AmezaIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo GucukuraIkusanyirizo ry'ibitorezi9
9
Lever d, standard m and lever f
Lever d, standard m and lever f
Bolt a mild steel flat bar lever d, 470 mm long, to the outer slide with a spacer block, reaching past the box's end. Make a standard m of two hardwood posts 30 x 20 mm joined at the foot, standing beside the box's end and reaching 260 mm above the top, with a 10 mm bolt across their tops. Hang a flat bar lever f between them on the bolt, its lower end slotted over a bolt through the end of d and its upper end a handle.
Ibikoresho by'iyi ntambwe:
Umurongo ugororotse w'icyuma cyoroshye2 ibiceIkibaho cy'Igiti Gikomeye1 igice
Icyegeranyo cy'inyuzi z'impande esheshatu3 ibice
Ecrou ifunga ifite umuzingo wa nayiloni3 ibice
Uruziga Rurambuye6 ibiceIkinyabutabire cy'Ibiti1 igiceImisumari y'ibiti6 ibiceIbikoresho bikenewe:
Umucumita w'IbyumaAmakariso (Ikariso ry'Intoki)Ifatiro ry'AmezaIcyuma Cyivumbura Kidafite InsingaIbyuma Byinshi byo Gucukura
Isupana ihindurwaIkimasa cyo ku meza10
10
The build in 3D
The build in 3D
FreeCAD model of this build, the box's front wall cut away: the two rows of hanging dashers (the end ones holed), the slides on the top with their racks and the pinion under its strap, and the levers d and f on the standard.
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11
Churn
Churn
Lift the top off with the slides and dashers, pour about 20 litres of heavy cream at about 15 °C, checked with the thermometer, into the box, and set the top back. Work the lever f to and fro through its full swing, timing it. When the butter comes, lift the top and dashers out, take out the butter, pour the buttermilk into a bowl, wash the butter in cold water until it runs clear, salt and weigh it.
Ibikoresho by'iyi ntambwe:
Igice cy'ibinure cy'amata20 l
Umunyu w'inyanja munini1 igice
Amazi1 igiceIbikoresho bikenewe:
Igipima ubushyuhe gifite uruti rusigara mu kintu
Isaha yo Guhagarika
Iminzani ya Digitale yo mu Gikoni
Ibakure rinini ryo kuvanga ry'icyuma kitagira ingese12
12
Troubleshooting
Troubleshooting
Rack-and-pinion churn troubleshooting.
Flow
Loading...
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13
History and honest limits
History and honest limits
**Nelson Gabel** of Gratis, Preble County, Ohio, US 33,080, 20 August 1861, "Churn". He claimed "the employment and arrangement of fixed pinion (a), double reciprocating racks (b b) and slides (h h)". His text calls the hand lever both (a) and (f). He gives the dashers only as drawn, three to a slide with holes in the end ones; ours are plain boards. The patent gives no sizes; every size here is ours.
Ibikoresho
15- 4 ibiceUmwanya
- 3 ibiceUmwanya
- 1 igiceUmwanya
- 60 ibiceUmwanya
- 1 igiceUmwanya
- 2 ibiceUmwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- 6 ibiceUmwanya
- Umwanya
- 1 igiceUmwanya
- 1 igiceUmwanya
Ibikoresho bikenewe
18- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- 1 vendor sell this, none ship to you yetUmwanya
- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- Umwanya
- Umwanya
- 1 vendor sell this, none ship to you yetUmwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
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3Iki gishushanyo gikora
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