The image above represents pouring time for medium-sized and large casting up to 1000kg in mass. To calculate pouring time for medium-sized and large casting up to 1000kg in mass, three essential parameters are needed and these parameters are Co-efficient used to Account for Wall Thickness (S), Mass of Casting with Gates and Risers (G) and Thickness of the Casting (δ).
The formula to calculate pouring time for medium-sized and large casting up to 1000kg in mass
t = S(Gδ)1 / 3
Where:
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass
S = Co-efficient used to Account for Wall Thickness
G = Mass of Casting with Gates and Risers
δ = Thickness of the Casting
Let’s solve an example;
Find the pouring time for medium-sized and large casting up to 1000kg in mass when the co-efficient used to account for wall thickness is 9, mass of casting with gates and risers is 12 and thickness of the casting is 21.
This implies that;
S = Co-efficient used to Account for Wall Thickness = 9
G = Mass of Casting with Gates and Risers = 12
δ = Thickness of the Casting = 21
t = S(Gδ)1 / 3
t = 9 x (12 x 21)1 / 3
So, t = 9 x (252)0.33
t = 9 x 6.31
t = 56.84
Therefore, the pouring time for medium-sized and large casting up to 1000kg in mass is 56.84 s.
Calculating the Co-efficient used to Account for Wall Thickness when the Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass, the Mass of Casting with Gates and Risers and the Thickness of the Casting are Given
S = 3√(t3 / Gδ)
Where;
S = Co-efficient used to Account for Wall Thickness
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass
G = Mass of Casting with Gates and Risers
δ = Thickness of the Casting
Let’s solve an example;
Find the co-efficient used to account for wall thickness when the pouring time for medium-sized and large casting up to 1000kg in mass is 30, mass of casting with gates and risers is 18 and the thickness of the casting is 20.
This implies that;
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t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass = 30
G = Mass of Casting with Gates and Risers = 18
δ = Thickness of the Casting = 20
S = 3√(t3 / Gδ)
S = 3√(303 / 18 x 20)
Then, S = 3√(27000 / 360)
S = 3√(75)
S = 4.21
Therefore, the co-efficient used to account for wall thickness is 4.21.
Read more: How to Calculate and Solve for Time of Pouring | Design of Gating System
Calculating the Mass of Casting with Gates and Risers when the Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass, the Co-efficient used to Account for Wall Thickness and the Thickness of the Casting are Given
G = t3 / S3δ
Where;
G = Mass of Casting with Gates and Risers
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass
S = Co-efficient used to Account for Wall Thickness
δ = Thickness of the Casting
Let’s solve an example;
Find the mass of casting with gates and risers when the pouring time for medium-sized and large casting up to 1000kg in mass is 16, the co-efficient used to account for wall thickness is 12 and the thickness of the casting is 8.
This implies that;
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass = 16
S = Co-efficient used to Account for Wall Thickness = 12
δ = Thickness of the Casting = 8
G = t3 / S3δ
G = 163 / 123 x 8
So, G = 4096 / 1728 x 8
G = 4096 / 13824
G = 0.296
Therefore, the mass of casting with gates and risers is 0.296.
Calculating the Thickness of the Casting when the Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass, the Co-efficient used to Account for Wall Thickness and the Mass of Casting with Gates and Risers are Given
δ = t3 / S3 x G
Where;
δ = Thickness of the Casting
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass
S = Co-efficient used to Account for Wall Thickness
G = Mass of Casting with Gates and Risers
Let’s solve an example;
Find the thickness of the casting when the pouring time for medium-sized and large casting up to 1000kg in mass is 10, the co-efficient used to account for wall thickness is 5 and the mass of casting with gates and risers is 14.
This implies that;
t = Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass = 10
S = Co-efficient used to Account for Wall Thickness = 5
G = Mass of Casting with Gates and Risers = 14
δ = t3 / S3 x G
δ = 103 / 53 x 14
Then, δ = 1000 / 125 x 14
δ = 1000 / 1750
δ = 0.57
Therefore, the thickness of the casting is 0.57.
How to Calculate Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass With Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the pouring time for medium-sized and large casting up to 1000kg in mass.
To get the answer and workings of the pouring time for medium-sized and large casting up to 1000kg in mass using the Nickzom Calculator – The Calculator Encyclopedia. First, you need to obtain the app.
You can get this app via any of these means:
Web – https://www.nickzom.org/calculator-plus
To get access to the professional version via web, you need to register and subscribe for NGN 1,500 per annum to have utter access to all functionalities.
You can also try the demo version via https://www.nickzom.org/calculator
Android (Paid) – https://play.google.com/store/apps/details?id=org.nickzom.nickzomcalculator
Android (Free) – https://play.google.com/store/apps/details?id=com.nickzom.nickzomcalculator
Apple (Paid) – https://itunes.apple.com/us/app/nickzom-calculator/id1331162702?mt=8
Steps to Calculation
Once you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Materials & Metallurgical under Engineering.
Now, Click on Foundry Technology under Material & Metallurgical
Then, Click on Design of Gating System under Foundry Technology
Now, Click on Pouring Time for Medium-Sized and Large Casting up to 1000kg in Mass under Design of Gating System
The screenshot below displays the page or activity to enter your values, to get the answer for the pouring time for medium-sized and large casting up to 1000kg in mass according to the respective parameters which are the Co-efficient used to Account for Wall Thickness (S), Mass of Casting with Gates and Risers (G) and Thickness of the Casting (δ).
Now, enter the values appropriately and accordingly for the parameters as required by the Co-efficient used to Account for Wall Thickness (S) is 9, Mass of Casting with Gates and Risers (G) is 12 and Thickness of the Casting (δ) is 21.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the pouring time for medium-sized and large casting up to 1000kg in mass and presents the formula, workings and steps too.
