UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Element Holding Strips: Notched Steel Webs for a Cast-In Heating Coil
A tubular heating coil cast into a hot plate must not shift while the metal is poured. Jordan and Schneider (US 1,998,764, 1935) hold it with strips of sheet metal or wire fixed across its turns, or with webs notched for each turn whose slotted tongues are bent round the tube. These are the notched webs, cut from mild steel sheet; sizes are ours.
The picture: Figs. 3–7 of US 1,998,764: holding strips f, notched webs g.
Utangiye
2 hours
Amabwiriza
1
1
Measure the coil
Measure the coil
Measure the tube diameter and the spacing of the coil's turns across the spiral, along the lines the webs will lie.
Ibikoresho bikenewe:
Ikigereranyo cya Digitale cy'Amasentimetero 6
Umurongo w'ipima2
2
Cut the strips
Cut the strips
Cut strips 10 mm wide from 1 mm mild steel sheet, each long enough to cross all the turns.
Ibikoresho by'iyi ntambwe:
Urupapuro rw'icyuma cyoroshye1 igiceIbikoresho bikenewe:
Igikoresho Gishushanya ImirongoUmurongo w'ipima
Ibyuma bikata ibyuma bisanzwe
Uturindantoki tw'uruhu tw'akazi3
3
Notch for each turn
Notch for each turn
Mark the turn spacing on each strip and saw a notch for every turn, as wide as the tube. Saw a slot down the middle of each tongue left between two notches.
Ibikoresho bikenewe:
Igikoresho Gishushanya Imirongo
Umucumita w'Ibyuma
Ifatiro ry'Ameza
Amadarubindi y'umutekano4
4
Deburr
Deburr
File off all burrs so the tongues can be bent round the tube without tearing. After the coil is pressed into the notches, the tongues are bent round each turn.
Ibikoresho bikenewe:
Amakariso MenshiIfatiro ry'AmezaIbikoresho
1- Umwanya
Ibikoresho bikenewe
9- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
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