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Saw Plate Steel Rolled from a Crucible Ingot
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14. Oktoba 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.
Juu
A day at the mill

Maagizo

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).

Vifaa kwa hatua hii:

Feleji ya kalibuFeleji ya kalibu2 kg

Zana zinazohitajika:

Koleo za mhunziKoleo za mhunzi
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
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.

Vifaa kwa hatua hii:

MkaaMkaa5 as required

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
FuaweFuawe
Patasi ya motoPatasi ya moto
Nyundo kubwaNyundo kubwa
Koleo za mhunziKoleo za mhunzi
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
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).

Vifaa kwa hatua hii:

MkaaMkaa5 as required

Zana zinazohitajika:

Kinu cha kuviringisha metaliKinu cha kuviringisha metali
Fua ya mhunziFua ya mhunzi
Koleo za mhunziKoleo za mhunzi
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
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.

Zana zinazohitajika:

Makasi ya mabambaMakasi ya mabamba
Glavu za kulehemuGlavu za kulehemu
Miwani ya usalamaMiwani ya usalama
5

Oldham's rule: how heavy an ingot

Inapakia daftari la Jupyter…

Vifaa

2
  • 1
    Feleji ya kalibu
    2 kg
    Kishikilia Nafasi
  • 23
    Mkaa
    5 as required
    Kishikilia Nafasi

Zana Zinazohitajika

9

Mchoro huu unatengeneza

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Kishikilia nafasi

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Blueprint zinazohusiana

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