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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.
高级
Two days
说明
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).
此步骤所需材料：
工具钢八角钢0.4 公斤
木炭2 as required所需工具：
铁匠炉
铁砧
横向楔头锤
铁匠钳
电焊手套
安全眼镜2
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.
所需工具：
铁匠炉
金属锉
重型台钳
旋转磨石3
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.
此步骤所需材料：
钢铆钉1 个所需工具：
手摇钻重型台钳横向楔头锤铁砧4
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).
此步骤所需材料：
水10 升所需工具：
铁匠炉
淬火水桶铁匠钳电焊手套安全眼镜5
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.
所需工具：
1000 目磨刀石6
6
Force at the edges
Force at the edges
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