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In an AJM process, if Q = flow rate of abrasives and d = mean diameter of the abrasives, then MRR is proportional to
[2007]
- a)Q/d2
- b)Qd
- c)Qd2
- d)Qd3
Correct answer is option 'D'. Can you explain this answer?
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In an AJM process, if Q = flow rate of abrasives and d = mean diameter...
In abrasive jet machining.MRR 
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In an AJM process, if Q = flow rate of abrasives and d = mean diameter...
Understanding MRR in AJM Process
The Material Removal Rate (MRR) in Abrasive Jet Machining (AJM) is influenced by various factors, including the flow rate of abrasives (Q) and the mean diameter of the abrasives (d).
Key Factors Affecting MRR
- Flow Rate (Q): This is the amount of abrasive material that is propelled towards the workpiece per unit time. A higher flow rate means more abrasives are impacting the surface, which increases the MRR.
- Mean Diameter (d): The size of the abrasives plays a crucial role. Smaller diameter abrasives can achieve finer cuts and are more effective for detailed work, while larger abrasives remove material more aggressively.
Relationship Between MRR, Q, and d
The relationship can be derived from the basic principles of the AJM process:
- Proportionality: MRR is directly proportional to the flow rate (Q) and the cube of the diameter of abrasives (d^3). This means that if the flow rate increases or if the diameter of the abrasives increases, the MRR will also increase significantly.
- Mathematical Expression: MRR ∝ Q * d^3. This indicates that both the flow rate and the size of the abrasives have a multiplicative effect on the material removal rate.
Conclusion
Therefore, the correct answer to the question regarding the relationship of MRR to Q and d in the AJM process is option 'D': MRR is proportional to Q * d^3. This emphasizes the importance of both the flow rate of abrasives and their size in determining how effectively material can be removed during machining.
The Material Removal Rate (MRR) in Abrasive Jet Machining (AJM) is influenced by various factors, including the flow rate of abrasives (Q) and the mean diameter of the abrasives (d).
Key Factors Affecting MRR
- Flow Rate (Q): This is the amount of abrasive material that is propelled towards the workpiece per unit time. A higher flow rate means more abrasives are impacting the surface, which increases the MRR.
- Mean Diameter (d): The size of the abrasives plays a crucial role. Smaller diameter abrasives can achieve finer cuts and are more effective for detailed work, while larger abrasives remove material more aggressively.
Relationship Between MRR, Q, and d
The relationship can be derived from the basic principles of the AJM process:
- Proportionality: MRR is directly proportional to the flow rate (Q) and the cube of the diameter of abrasives (d^3). This means that if the flow rate increases or if the diameter of the abrasives increases, the MRR will also increase significantly.
- Mathematical Expression: MRR ∝ Q * d^3. This indicates that both the flow rate and the size of the abrasives have a multiplicative effect on the material removal rate.
Conclusion
Therefore, the correct answer to the question regarding the relationship of MRR to Q and d in the AJM process is option 'D': MRR is proportional to Q * d^3. This emphasizes the importance of both the flow rate of abrasives and their size in determining how effectively material can be removed during machining.
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In an AJM process, if Q = flow rate of abrasives and d = mean diameter...
In abrasive jet machining.MRR 
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In an AJM process, if Q = flow rate of abrasives and d = mean diameter of the abrasives, then MRR is proportional to[2007]a)Q/d2b)Qdc)Qd2d)Qd3Correct answer is option 'D'. Can you explain this answer?
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