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Wire Cutters: Diagonal Pliers Forged with Hardened V-Edged Jaws
Diagonal pliers cut wire by pressing two V-shaped edges into it until it splits, not by shearing like scissors. The edges sit at an angle to the joint rivet, which gives them their name, and the jaws must be hardened or steel wire dents them. Forge two halves from tool steel, rivet them, grind the edges and harden the jaws.
The picture: the jaws and joint of a modern pair; its handles are dipped in plastic, ours are bare steel.
高级
Two days
说明
1
1
Forge the halves
Forge the halves
Forge two mirror halves from tool steel: a short, thick jaw set at an angle, a flat boss for the joint, and a handle (our sizes: jaw 18 mm, handle 120 mm from the joint).
此步骤所需材料：
工具钢八角钢0.3 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
Anneal and fit the joint
Anneal and fit the joint
Anneal both halves. File the bosses flat so they lap closely, drill them together and rivet them so the jaws close without play.
此步骤所需材料：
钢铆钉1 个所需工具：
铁匠炉
金属锉
手摇钻
重型台钳横向楔头锤铁砧3
3
Grind the edges
Grind the edges
Grind each jaw to a symmetrical V so the two edges meet along their whole length when closed. Check against the light.
所需工具：
旋转磨石金属锉4
4
Harden the jaws
Harden the jaws
Heat the jaws only to cherry red and quench in water. Polish them bright, then warm the joint and let the colour run to the edges; quench at 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 edges lightly on the stone and try them on soft copper wire first. A dent in the edge means the jaw is too soft.
所需工具：
1000 目磨刀石6
6
Force at the edges
Force at the edges
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