IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Forged Eye Bolt with a Welded Eye
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Ṣẹ́dá nipasẹ̀

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11. Oṣù Kẹwà 2026NO
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Forged Eye Bolt with a Welded Eye

An eye bolt is a bar with a closed loop at one end for ropes, cables and hooks. This one is bent from 1/2-inch round wrought iron 12¼ inches long and the end of the loop is forge-welded to the shank, so the eye cannot open. The end is scarfed (thinned to a bevel) first so the weld blends in; the bar is bent on the anvil's edge and horn around a drift, welded at a welding heat, smoothed in swages and drifted round. The finished shank is about 7½ inches long.
Àárín
1–2 hours

Ìlànà

1

Scarf the end

Heat one end to a welding heat and scarf it to a bevel about 1 inch long.

Àwọn ohun èlò fún ìgbésẹ̀ yìí:

Ọ̀pá irin lílùỌ̀pá irin lílù1 ẹyọ

Àwọn irinṣẹ́ tí a nílò:

Ìléru alágbẹ̀dẹÌléru alágbẹ̀dẹ
Ìdí Alágbẹ̀dẹÌdí Alágbẹ̀dẹ
Òòlù Alágbẹ̀dẹÒòlù Alágbẹ̀dẹ
Ẹmú alágbẹ̀dẹẸmú alágbẹ̀dẹ
2

Mark

Bend the scarf over the anvil's rounded edge and centre-punch the marks for the bend.

Àwọn irinṣẹ́ tí a nílò:

Igi Àmì ÀárínIgi Àmì Àárín
3

Bend the eye

Heat about 7 inches at the scarfed end to an even yellow heat. Start the bend with the punch mark above the anvil's rounded edge, striking the projecting end with the hammer's peen; finish on the horn, striking on the scarf so the bar is not marked.

Àwọn irinṣẹ́ tí a nílò:

Òòlù Alágbẹ̀dẹÒòlù Alágbẹ̀dẹ
Ìdí Alágbẹ̀dẹÌdí Alágbẹ̀dẹ
4

Close on a drift

Put a drift slightly larger than the finished hole in the eye and bring the scarf and shank together.

Àwọn irinṣẹ́ tí a nílò:

Ohun ìfẹ̀ ihòOhun ìfẹ̀ ihò
5

Weld and finish

Heat slowly to a welding heat and weld the scarf down, rounding the shoulder with a top fuller and finishing at the anvil's rounded edge. Smooth the weld in top and bottom swages, drive the drift in to make the eye even, and file off the scale while it is hot.

Àwọn irinṣẹ́ tí a nílò:

Ìléru alágbẹ̀dẹÌléru alágbẹ̀dẹ
Fuller (irin ìgbẹ́ ìlà)Fuller (irin ìgbẹ́ ìlà)
Àwòṣe ìsàlẹ̀ ìyíkáÀwòṣe ìsàlẹ̀ ìyíká
Ohun ìfẹ̀ ihòOhun ìfẹ̀ ihò
Ìfá IrinÌfá Irin

Àwọn ohun-èlò

1

Àwọn irinṣẹ́ tó nílò

9

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