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In blanking operation clearance is provided on
- a)die
- b)punch
- c)half on punch and half on the die
- d)either on punch or die
Correct answer is option 'B'. Can you explain this answer?
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Understanding Blanking Operation Clearance
Blanking is a critical manufacturing process used to cut out flat shapes from sheet metal. The clearance in this operation is essential to ensure quality and precision.
Why Clearance is Important?
- Prevent Tool Damage: Adequate clearance prevents excessive wear on the cutting tools.
- Ensure Clean Cuts: Proper clearance ensures that the material is cut cleanly without burrs.
Where is the Clearance Provided?
In the blanking operation, the clearance is typically provided on the punch. This is crucial for the following reasons:
- Punch Design: The punch must penetrate the material to create the blank. If the punch is too tight against the die, it can lead to tool breakage or deformation.
- Material Flow: Clearance allows the material to flow properly during the cutting process, facilitating a smoother operation.
Clearance Calculation
- Standard Clearance: The standard clearance is often set at around 10% of the material thickness. This means if the material is 2 mm thick, the recommended clearance is 0.2 mm.
- Adjustment Based on Material: Depending on the type of material being cut, this clearance may be adjusted to optimize the cutting process.
Conclusion
In conclusion, the correct option is (b) punch, as the clearance in a blanking operation is primarily provided on the punch to ensure efficient and effective cutting. Proper clearance enhances tool life and maintains the quality of the produced blanks.
Blanking is a critical manufacturing process used to cut out flat shapes from sheet metal. The clearance in this operation is essential to ensure quality and precision.
Why Clearance is Important?
- Prevent Tool Damage: Adequate clearance prevents excessive wear on the cutting tools.
- Ensure Clean Cuts: Proper clearance ensures that the material is cut cleanly without burrs.
Where is the Clearance Provided?
In the blanking operation, the clearance is typically provided on the punch. This is crucial for the following reasons:
- Punch Design: The punch must penetrate the material to create the blank. If the punch is too tight against the die, it can lead to tool breakage or deformation.
- Material Flow: Clearance allows the material to flow properly during the cutting process, facilitating a smoother operation.
Clearance Calculation
- Standard Clearance: The standard clearance is often set at around 10% of the material thickness. This means if the material is 2 mm thick, the recommended clearance is 0.2 mm.
- Adjustment Based on Material: Depending on the type of material being cut, this clearance may be adjusted to optimize the cutting process.
Conclusion
In conclusion, the correct option is (b) punch, as the clearance in a blanking operation is primarily provided on the punch to ensure efficient and effective cutting. Proper clearance enhances tool life and maintains the quality of the produced blanks.
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In blanking operation clearance is provided ona)dieb)punchc)half on punch and half on the died)either on punch or dieCorrect answer is option 'B'. Can you explain this answer?
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