UBUCIKO
UBUHLE NEMPILO
UBUCIKO BEZANDLA
AMASIKO NOMLANDO
EZOKUZIJABULISA
IMVELO
UKUDLA NEZIPHUZO
REVERSE ENGINEERING
IZAYENSI
EZEMIDLALO
UBUCHWEPHESHE
IZINTO EZIGQOKWAYO
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.
Oqalayo
2 hours
Imiyalelo
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.
Amathuluzi adingekayo:
I-Caliper Yedijithali Yamayintshi Ayi-6
Irula2
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.
Izinto zokwakha zalesi sinyathelo:
Ishidi Lensimbi Ethambile1 ucezuAmathuluzi adingekayo:
Insimbi Yokudweba ImigqaIrula
Isikeli sensimbi
Amagilavu Omsebenzi Esikhumba3
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.
Amathuluzi adingekayo:
Insimbi Yokudweba Imigqa
Isaha Sensimbi
Isibambo Sebhentshi
Izibuko zokuphepha4
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.
Amathuluzi adingekayo:
Iqoqo LamafayelaIsibambo SebhentshiIzinto
1- 1 ucezuIsibambeli
Amathuluzi Adingekayo
9- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
- Isibambeli
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