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Iron Axle and Cams for a Trip Hammer, Forged from Wrought Iron
Forge

Yaremwe na

Forge

17. Ukwakira 2026NO
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Iron Axle and Cams for a Trip Hammer, Forged from Wrought Iron

A trip hammer is raised by a cam and drops under its own weight. The cams are lugs on a revolving shaft turned by the water wheel; each one lifts the helve once a turn. Forge a wrought-iron axle with a squared middle and three curved cams that slide on and are wedged tight. The picture: our diagram, side and end view.
Hejuru
Three days with a striker

Amabwiriza

1

Weld up the axle

Bind wrought-iron bars into a faggot as long as the shaft, bring it to a welding heat, sprinkle with sand and weld it solid with a striker, a heat at a time along its length.

Ibikoresho by'iyi ntambwe:

Umugozi w'icyuma cyacuzweUmugozi w'icyuma cyacuzwe25 kg
Inkoni y'icyuma gicuzweInkoni y'icyuma gicuzwe1 m

Ibikoresho bikenewe:

Uruganda rw'umucuziUruganda rw'umucuzi
AmakaraAmakara
Umusenyi MutoUmusenyi Muto
Inyundo niniInyundo nini
Inyundo y'umucuziInyundo y'umucuzi
Amafashi y'umucuziAmafashi y'umucuzi
IngoyiIngoyi
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
Ikanzu y'uruhuIkanzu y'uruhu
2

Shape the axle

Leave the middle square for the cams and draw both ends round for the journals. Flatter the square true and file the journals smooth.

Ibikoresho bikenewe:

Uruganda rw'umucuziUruganda rw'umucuzi
Igikoresho cy'umucuzi cyo kuringanizaIgikoresho cy'umucuzi cyo kuringaniza
Inyundo niniInyundo nini
Amafashi y'umucuziAmafashi y'umucuzi
IngoyiIngoyi
Ikariso ry'IcyumaIkariso ry'Icyuma
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
Ikanzu y'uruhuIkanzu y'uruhu
3

Forge the cams

For each cam, forge a thick curved lug on a boss. Punch the boss and drift it square to slide over the axle's square.

Ibikoresho by'iyi ntambwe:

Umugozi w'icyuma cyacuzweUmugozi w'icyuma cyacuzwe6 kg

Ibikoresho bikenewe:

Uruganda rw'umucuziUruganda rw'umucuzi
Igitobora gishyushyeIgitobora gishyushye
Igikoresho cy'umucuzi cyagura umwoboIgikoresho cy'umucuzi cyagura umwobo
Icyuma gikata ku ngoyiIcyuma gikata ku ngoyi
Inyundo niniInyundo nini
Inyundo y'umucuziInyundo y'umucuzi
Amafashi y'umucuziAmafashi y'umucuzi
IngoyiIngoyi
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
Ikanzu y'uruhuIkanzu y'uruhu
4

Fit and wedge

Slide the three cams onto the square at equal turns round the shaft, each lined up with the helve's tail. Drive iron wedges beside each boss until tight.

Ibikoresho by'iyi ntambwe:

Inkoni y'icyuma gicuzweInkoni y'icyuma gicuzwe0.5 m

Ibikoresho bikenewe:

Inyundo y'umucuziInyundo y'umucuzi
Ikariso ry'IcyumaIkariso ry'Icyuma
IngoyiIngoyi
Uturindantoki two gukomeza ibyumaUturindantoki two gukomeza ibyuma
Amadarubindi y'umutekanoAmadarubindi y'umutekano
Ikanzu y'uruhuIkanzu y'uruhu
5

Blows per minute

Gupakira ikaye ya Jupyter…

Ibikoresho

2

Ibikoresho bikenewe

15

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

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