Twisting Metal Forgework. 1. Care should be taken when carrying hot metals (particularly metals at...
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Transcript of Twisting Metal Forgework. 1. Care should be taken when carrying hot metals (particularly metals at...
1. Care should be taken when carrying hot metals (particularly metals at black heat that may not appear hot)
2. Clay bricks should not be heated as they can disintegrate violently.
3. Ceramic chips remain hot for a considerable time after the heat source has been removed.
4. Foreign materials present in the forge can cause fumes. Stones can explode.
5. Quenching of hot materials, particularly tubular components can cause risk of scalding.
6. Fuel combustion can produce dangerous gasses.
Pupils should be aware of the following hazards
Conditions of use.Appropriate safety equipment must be worn: Goggles, Leather gloves. (Leather apron where appropriate)
The Forge
The Forge
Hearth
Canopy
Fire Bricks
On / Off Switch
Isolating Switch
Ceramic ChipsSpark Ignition
switch
Brazing Torch
Spark
Blacksmiths Tongs
Stage 6
Push the steel bar into the hot chips and let the bar heat up.
(This should take about 1 min)
! Remember to keep a close eye on the steel if you let it overheat it will melt
Twisting
Wrench
Fit the twisting wrench over the hot bar and twist (note the centre punch marks)
Stage 8
The bar can be twisted ¼, ½, ¾, 1,2 turns etc
If you want to obtain similar twists on 2 or more items care must be taken to heat each piece to a similar temperature.
Stage 9