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Saw Plate Steel Rolled from a Crucible Ingot
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14. Oktober 2026NO
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Saw Plate Steel Rolled from a Crucible Ingot

Saw blades start as thin steel plate. In the 1880s Disston's works cast crucible steel into flat ingots, cut each ingot into pieces, rolled every piece to the gauge of the saw and sheared it to outline; one handsaw plate was split diagonally to make two tapered blades (Grimshaw, Saws, 1882). The picture: our diagram, ingot to rolls to plate, with the diagonal split.
Lanjutan
A day at the mill

Arahan

1

A flat ingot

Start from crucible steel cast in an iron mould as a flat block. Grimshaw's ingot for 18 handsaws of 26 in weighed 48 lb and measured 6.5 × 12 × 2 in. For thicker saws, use milder steel (less carbon).

Bahan untuk langkah ini:

Keluli mangkuk pijarKeluli mangkuk pijar2 kg

Alatan diperlukan:

Penyepit tukang besiPenyepit tukang besi
Sarung tangan kimpalanSarung tangan kimpalan
Cermin mata keselamatanCermin mata keselamatan
2

Cut the ingot

Heat the ingot and cut it into equal pieces, one per plate, using Oldham's rule (step 5) for the weight each plate needs.

Bahan untuk langkah ini:

ArangArang5 as required

Alatan diperlukan:

Relau tukang besiRelau tukang besi
AndasAndas
Pahat panasPahat panas
Tukul besarTukul besar
Penyepit tukang besiPenyepit tukang besi
Sarung tangan kimpalanSarung tangan kimpalan
Cermin mata keselamatanCermin mata keselamatan
3

Roll to gauge

Pass each hot piece through the rolls again and again, reheating as needed, until it reaches the plate size. Between passes slap the plate on a smooth iron floor to knock off scale, which would otherwise be rolled into the steel (Grimshaw).

Bahan untuk langkah ini:

ArangArang5 as required

Alatan diperlukan:

Kilang gelek logamKilang gelek logam
Relau tukang besiRelau tukang besi
Penyepit tukang besiPenyepit tukang besi
Sarung tangan kimpalanSarung tangan kimpalan
Cermin mata keselamatanCermin mata keselamatan
4

Shear to outline

Shear the plate to the outline of the saw. For handsaws, split the plate diagonally along its length to get two tapered blades.

Alatan diperlukan:

Ricih platRicih plat
Sarung tangan kimpalanSarung tangan kimpalan
Cermin mata keselamatanCermin mata keselamatan
5

Oldham's rule: how heavy an ingot

Memuatkan buku nota Jupyter…

Bahan

2

Alatan Diperlukan

9

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