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
Combination Pliers Forged: Ridged Jaws, Pipe Grip and Side Cutters
Combination pliers, also called lineman's pliers, do three jobs: ridged flat jaws grip, a rounded hollow behind them holds rods and pipes, and bevelled side cutters near the joint snip wire. A strong rivet joins the two forged halves. Forge them from tool steel, file the jaws, rivet them, and harden the jaws and cutters.
The picture: an old, worn pair of combination pliers.
Ilọsíwájú
Two days
Ìlànà
1
1
Forge the halves
Forge the halves
Forge two mirror halves from tool steel: a jaw, a flat boss for the joint, and a long handle (our size: jaw 35 mm, handle 140 mm from the joint).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ọ̀pá onígun mẹ́jọ irin irinṣẹ́0.4 kg
Èédú2 as requiredÀwọn irinṣẹ́ tí a nílò:
Ìléru alágbẹ̀dẹ
Ìdí Alágbẹ̀dẹ
Òòlù olórí ìtẹ̀ ìpakà
Ẹmú alágbẹ̀dẹ
Ìbọ̀wọ́ wẹ́lídìn
Gíláàsì ààbò2
2
Shape the jaws
Shape the jaws
Anneal both halves. File each jaw flat with cross ridges at the tip, a rounded hollow behind it, and a bevelled cutting edge next to the joint, so the edges meet when the jaws close.
Àwọn irinṣẹ́ tí a nílò:
Ìléru alágbẹ̀dẹ
Ìfá Irin
Ìdìmú tábìlì iṣẹ́ tí ó wúwo
Òkúta ìpọ́n oníkẹ̀kẹ́3
3
Rivet the joint
Rivet the joint
File the bosses to lap closely, drill them together, and set a strong steel rivet so the jaws close without play.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ìṣó irin1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ìlù ọwọ́Ìdìmú tábìlì iṣẹ́ tí ó wúwoÒòlù olórí ìtẹ̀ ìpakàÌdí Alágbẹ̀dẹ4
4
Harden the jaws
Harden the jaws
Heat the jaws and cutters only to cherry red and quench in water. Polish them bright, warm the joint and quench when the cutters show straw (our temper).
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Omi10 lítàÀwọn irinṣẹ́ tí a nílò:
Ìléru alágbẹ̀dẹ
Àpótí ìtutùẸmú alágbẹ̀dẹÌbọ̀wọ́ wẹ́lídìnGíláàsì ààbò5
5
Hone and test
Hone and test
Hone the cutter bevels and try them on soft copper wire, then grip a rod in the hollow to check the jaws meet square.
Àwọn irinṣẹ́ tí a nílò:
Òkúta ìpọ́n grit 10006
6
Force at the edges
Force at the edges
Ń ṣí ìwé Jupyter…
Àwọn ohun-èlò
4- Àyè
- 2 as requiredÀyè
- 1 ẹyọÀyè
- 10 lítàÀyè
Ìtọ́nisọ́nà yìí ń ṣe
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