1. CLEANING AND CUTTING OF CAST METAL / FORGE
CASTING METAL ENGINEERING
CLASS XII/ SEMESTER 5
ELEMENTARY COMPETENCY 4

2. Pemotongan dengan busur listrik Pemotongan secara mekanik
Cara Pemotongan :
Pematahan
Pemotongan dengan busur listrik
Pemotongan secara mekanik
Pemotongan dengan api
Teknologi dan Rekayasa

3. FRACTURING
Way of fracturing usualy done at pig iron, that is by ramming in parallel with elimination of sand
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4. Chopping With Electric arc
Applied at coran which is big and applies admission passage that is is not enables to broken in manual
To avoid car as result of chopping
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5. Chopping Mechanically
Chopping mechanically more becomes choice because :
Doesn't result the happening of temperature influencing deformation or results crack
Enables narrow;tight chopping breadth
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6. Chopping With Fire
Applies asetilin with gas fire asetilen is stopped, remains oxygen with high pressure is exhaled. At this temperature ( 8500 C) oxygen reacts with iron, hence iron is oxidized high-speedly
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7. Devices Applied In Cutting process
Hammer
Hack saw
Cutter grinder
Other clipper according to requirement of chopping
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8. Kinds Of Cutter grinders
Hand cutter grinder
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9. Boom cutter grinder
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10. Table bench cutter grinder
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11. Table around cutter grinder
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12. Chopping with cutter grinder limited to substances
small fairish until medium, large size medium of chopping
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13. THANK YOU CREATED BY : HERU KARYANA, SPd SMKN 2 KLATEN
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