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Metallurgical test 3_ 11022023
- Test 003: 11022023_ iron melting
|
Step |
Step Description |
Expected Result |
result |
|
Precondition |
System is Off |
|
|
|
Switch on the system |
Turn on the heating switch |
System is On |
positive |
|
Heating of the melting pot |
Heating should be in three stages: - Low heat for three minutes (500 °C), - Double heat for 5 minutes (1000°C), - Melting heat for 2 minutes (1600° C) |
Melting pot is ready |
positive |
|
Put the iron pieces |
The heat must be reduced before putting the pieces and reheated after putting the pieces |
The iron is melting |
positive |
|
Switch off the system |
Turn off the heating switch |
System is off |
positive |
|
Postcondition |
System is Off |
|
positive |
Operation steps:
Sand operation steps:
- Sand purification
- Put the sand in an iron pot
- Pour a little water on the sand (helps create the sand shape)
- Create the sand shape
- Heating the sand in three stages to dry it and conserving shape
Iron preparation steps:
- Cutting iron (30*60)
- The weight of the iron
- Heating iron (low degree)
Iron melting operation steps
- Starting: 1: 32 pm
- Heating stage 1: 1600 wat for 3 min
- Heating stage 2: 3000 wat for 5 min
- Heating stage 3: 5000 wat for 2 min
- Putting the pieces 650 g of iron within 10 min
- Melting iron within 10 min
- Cooling of system within 10 min
- Switch of the system
Result:
Obtain a piece of iron has the same shape as the sand and pure