The image above represents crusher reduction ratio. To calculate crusher reduction ratio, two essential parameters are needed and these parameters are Gape Size (G) and Set Size (S).
The formula for calculating crusher reduction ratio:
Rr = G / S
Where:
Rr = Crusher Reduction Ratio
G = Gape Size
S = Set Size
Let’s solve an example;
Find the crusher reduction ratio when the gape size is 20 and the set size is 10.
This implies that;
G = Gape Size = 20
S = Set Size = 10
Rr = G / S
So, Rr = 20 / 10
Rr = 2
Therefore, the crusher reduction ratio is 2.
Calculating the Gape Size when the Crusher Reduction Ratio and the Set Size are Given
G = Rr x S
Where:
G = Gape Size
Rr = Crusher Reduction Ratio
S = Set Size
Let’s solve an example;
Find the gape size when the crusher reduction ratio is 8 and the set size is 4.
This implies that;
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Rr = Crusher Reduction Ratio = 8
S = Set Size = 4
G = Rr x S
That is, G = 8 x 4
G = 32
Therefore, the gape size is 32.
Read more:Â How to Calculate and Solve for Capacity of Jaw Crusher | Mineral Processing
Calculating the Set Size when the Crusher Reduction Ratio and the Gape Size are Given
S = G / Rr
Where:
S = Set Size
Rr = Crusher Reduction Ratio
G = Gape Size
Let’s solve an example;
Find the set size when the crusher reduction ratio is 10 and the gape size is 30.
This implies that;
Rr = Crusher Reduction Ratio = 10
G = Gape Size = 30
S = G / Rr
Then, S = 30 / 10
S = 3
Therefore, the set size is 3.
Read more:Â How to Calculate and Solve for Jaw Crusher Rating | Mineral Processing
How to Calculate Crusher Reduction Ratio With Nickzom Calculator
Nickzom Calculator – The Calculator Encyclopedia is capable of calculating the crusher reduction ratio.
To get the answer and workings of the crusher reduction ratio 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 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
Once, you have obtained the calculator encyclopedia app, proceed to the Calculator Map, then click on Materials and Metallurgical under Engineering.
Now, Click on Mineral Processing under Materials and Metallurgical
Now, Click on Crusher Reduction Ratio under Mineral Processing
The screenshot below displays the page or activity to enter your values, to get the answer for the crusher reduction ratio according to the respective parameter which is the Gape Size (G) and Set Size (S).
Now, enter the values appropriately and accordingly for the parameters as required by the Gape Size (G) is 20 and Set Size (S) is 10.
Finally, Click on Calculate
As you can see from the screenshot above, Nickzom Calculator– The Calculator Encyclopedia solves for the crusher reduction ratio and presents the formula, workings and steps too.
