SANAT
GÜZELLİK & SAĞLIK
ZANAAT
KÜLTÜR & TARİH
EĞLENCE
ÇEVRE
YİYECEK & İÇECEK
TERS MÜHENDİSLİK
BİLİMLER
SPOR
TEKNOLOJİ
GİYİLEBİLİR ÜRÜNLER
Ratchet-Bar Egg Beater: Push a Rack, the Floats Spin Both Ways
Beating eggs in a closed beater keeps the air out, and a beater bolted to its vessel is slow to empty and clean.
Harvey Miller of Cincinnati, Ohio, received US 18,759, dated 1 December 1857, for an egg beater: a frame whose standards clasp an open jar, a bar sliding through slots that gears into a pinion on a vertical spindle, and wire floats on the spindle that turn rapidly one way then the other as the bar is pushed to and fro; lifting the frame frees the jar.
This rung works out the turns per stroke, then prints the rack and pinion, builds the frame and floats, and times a beating.
Orta
About 5 hours, plus printing
Talimatlar
1
1
Turns per stroke
Turns per stroke
Jupyter defteri yükleniyor…
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2
The rack and pinion it uses
The rack and pinion it uses
The embedded blueprint turns a straight push into rotation. Miller pushes the rack by hand and the pinion spins the floats.
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3
Read US 18,759
Read US 18,759
"By this arrangement, if one hand be placed upon the upper bar B to hold the machine steady, while with the other hand upon the handle j, of the ratchet bar g, a reciprocating motion be given to the ratchet bar, then the spindle c, with its floats d, is set in rapid motion, alternately revolving in each direction."
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4
Print the rack and pinion
Print the rack and pinion
Print the 12-tooth pinion (/uploads/blueprints/ratchet-bar-egg-beater-pinion.stl) and the 20-tooth rack (/uploads/blueprints/ratchet-bar-egg-beater-rack.stl). Print in PETG at 0.2 mm layers, 30 % infill, 4 walls.
Bu adım için malzemeler:
PETG filament1 adetGerekli aletler:
FDM 3B yazıcı5
5
Build the frame
Build the frame
Cut two 170 mm standards and two cross-bars from hardwood. Screw them into a gate that straddles the jar, cut 13 × 11 mm slots across the standards' tops for the rack, and give the feet a curve to fit the jar.
Bu adım için malzemeler:
Sert Ahşap Blok1 adet
#8 x 1" ahşap vidası1 adetGerekli aletler:
Kıl Testere
Eğeler (El Eğesi)
Kablosuz Matkap
Matkap Ucu Takımı
Tornavida takımı
Cetvel6
6
Make the spindle and floats
Make the spindle and floats
Cut 160 mm of 5 mm steel rod. Bend three loops of stainless wire 45 mm across and 50 mm high, bind their ends to the rod's lower end, and epoxy them. Press the pinion onto the top.
Bu adım için malzemeler:
Yumuşak Çelik Çubuk1 adet
Paslanmaz çelik tel1 adet
İki bileşenli epoksi1 adetGerekli aletler:
Demir Testeresi
Yuvarlak uçlu pense
Yassı Ağızlı Pense
Şeffaf Koruyucu Gözlük7
7
Assemble
Assemble
Hang the spindle from the lower cross-bar in a 5 mm hole, slide the rack through the slots so its teeth mesh with the pinion, and stand the gate over the bowl.
Bu adım için malzemeler:
Düz Pul1 adetGerekli aletler:
Kablosuz MatkapMatkap Ucu Takımı8
8
The patent drawing
The patent drawing
US 18,759 drawing sheet, public domain (expired patent).
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9
Beat egg whites
Beat egg whites
Separate two egg whites into the bowl. Pump the rack at about two strokes a second and time how long until they hold stiff peaks.
Bu adım için malzemeler:
Yumurta2 adetGerekli aletler:
Büyük paslanmaz çelik karıştırma kâsesi
Kronometre10
10
A rack that jams, slips or a float that hits the bowl
A rack that jams, slips or a float that hits the bowl
Ratchet-bar egg beater troubleshooting.
Flow
Loading...
11
11
History and honest limits
History and honest limits
**Harvey Miller** of Cincinnati, Ohio, received US 18,759, dated 1 December 1857. His frame and parts were cast iron, the floats iron wire coated with tin, the jar porcelain or tin with no cover, so air has free access; neither shaft nor floats touch the vessel. He did not claim the ratchet bar or revolving beaters alone, only the frame with them in combination with the jar.
**Honest limits.** FDM prints hold food in their layer lines, so wash well and replace when worn. Printed PETG gears and a hardwood gate stand in for cast iron. Your times are the result.
Malzemeler
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Gerekli Aletler
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Bu blueprint'ler bilgi paylaşır — teknikler, malzemeler veya ilkeler
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