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Iron Tube: Butt-Welded by Drawing Through Dies on a Draw Bench (Whitehouse, 1825)
Charles Dutton Terry (after Cornelius Whitehouse, 1825) · Public domain (published 1907)
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Iron Tube: Butt-Welded by Drawing Through Dies on a Draw Bench (Whitehouse, 1825)

Cornelius Whitehouse's way of making welded iron tubes, the basis of butt-weld pipe ever since: a strip of flat iron is turned up into a tube with its edges meeting, heated nearly to fusion in a hollow fire, and pulled by the chain of a draw bench through a pair of dies, which press the hot edges together and weld them. The tube is welded in two halves, one end at a time. Whitehouse made tubes 2 to 8 ft long in one piece, smooth inside and out. Unknown: plate thickness, width and tube sizes. The source does not give them. Source: Whitehouse's specification of 1825, quoted in C. D. Terry, Butt Weld Pipe (1907). Picture: Terry's Figs. 4 and 5.
Juu
Unknown

Maagizo

1

Turn the plate over

Take a piece of flat iron (plough-plate iron) of a thickness and width to suit the intended bore. Bend up its sides ('turn it over') until the edges meet, or nearly so, and it forms a long tube. Ours: hammer and anvil for the bending.

Vifaa kwa hatua hii:

Vyuma vya kufua vya mapauVyuma vya kufua vya mapau1 flat plough-plate iron
Vipimo visivyojulikanaVipimo visivyojulikana1 kipande

Zana zinazohitajika:

Nyundo ya KufuaNyundo ya Kufua
Fuawe bapaFuawe bapa
2

Heat in the hollow fire

Put the tube into a hollow fire, urged by a blast, and heat it until the iron is on the point of fusion. Ours: a smith's forge as the hollow fire.

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
Koleo la forjiKoleo la forji
3

Draw it through the dies

Clamp the end of the tube to the chain of the draw bench, driven by a hand winch or an engine. Draw it out of the fire through a pair of dies of the size wanted, set in a screw press and closed to their bearing, so that the hot edges are pressed together and welded. A pair of pinchers with a conical hole, held against a standard, may be used instead of the press and dies.

Zana zinazohitajika:

Benchi ya kuvutaBenchi ya kuvuta
Koleo la forjiKoleo la forji
4

Weld the other half

Open the clamp and take the tube off. Grip the other end, put the unwelded part into the fire, heat it, and draw it through the dies in the same way.

Zana zinazohitajika:

Fua ya mhunziFua ya mhunzi
Benchi ya kuvutaBenchi ya kuvuta
Koleo la forjiKoleo la forji

Vifaa

2

Zana Zinazohitajika

5

Vifaa vya Michoro Iliyounganishwa

Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace
Usambazaji 10%

Puddling Wrought Iron from Pig Iron — Burning Out the Carbon in a Reverberatory Furnace

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