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Forged Steel Dividers with a Riveted Joint
Dividers are a compass with two steel points: set them to a distance and step it off along a line, transfer it from a rule to the work, or scratch a circle. Forge two matching legs, rivet them at a stiff joint so they hold a setting, and harden the points.
The picture: steel spring dividers set with a screw; the ones made here hold their setting by a stiff riveted joint instead.
中级
A day
说明
1
1
Forge two legs
Forge two legs
Draw two equal tapered legs from tool-steel bar, each with a flat round boss at the top. Forge the bosses thin so they overlap to the thickness of one leg.
此步骤所需材料：
工具钢扁钢1 个
木炭1 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
File and pair
File and pair
Anneal, file the legs straight and equal, and file the bosses flat so they sit face to face. Drill them together through the middle.
所需工具：
金属锉
手摇钻
直尺3
3
Rivet the joint
Rivet the joint
Put a rivet through, peen it over until the legs move stiffly but evenly, so they keep a setting without slipping.
此步骤所需材料：
铁铆钉1 个所需工具：
横向楔头锤铁砧4
4
Harden the points
Harden the points
Heat the last few centimetres of each point to cherry red and quench; polish and temper to brown. Stone both points sharp and to the same length.
此步骤所需材料：
水5 升所需工具：
铁匠炉
淬火水桶铁匠钳
1000 目磨刀石电焊手套安全眼镜5
5
Stepping off a length
Stepping off a length
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