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Engraving Burin: Square Steel Graver in a Mushroom Handle
The burin cuts a V-shaped groove in copper and other soft metals: a tempered steel shaft, usually square or lozenge in section, ending in a sharp cutting face, set in a mushroom-shaped handle cradled in the palm and held at about 30° to the plate. Forge and harden a square shaft, turn a handle, and grind the face.
The picture: an old engraver's burin with a mushroom handle.
中级
A day
说明
1
1
Forge the shaft
Forge the shaft
Draw tool steel to a square shaft about 3 mm across and 11 cm long (our size), with a tang at one end. Bend the shaft slightly near the tang so the point clears the plate when the handle is low.
此步骤所需材料：
工具钢八角钢0.05 公斤
木炭1 as required所需工具：
铁匠炉
铁砧
横向楔头锤
铁匠钳
金属锉
台虎钳2
2
Harden and temper
Harden and temper
Harden the shaft in water and temper it to a pale straw, so the point is hard but does not snap.
此步骤所需材料：
水5 升所需工具：
铁匠炉
淬火水桶铁匠钳3
3
Turn the handle
Turn the handle
Turn a beech mushroom handle on the lathe, saw a flat on one side so the burin lies low on the plate, drill it and drive the tang in.
此步骤所需材料：
山毛榉锯材1 个所需工具：
弹性杆车床
车削圆凿
手锯
手摇钻4
4
Grind the face
Grind the face
Hone the cutting face flat on the stone at an angle across the end, and the two lower sides to a sharp corner, checking the point under the loupe.
所需工具：
1000 目磨刀石
放大目镜5
5
Width of the cut
Width of the cut
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