The hole locations of the block in Figure 31-11 are checked by placing the block on a surface plate and indicating the bottom of each hole using a height gage with an indicator attachment. Determine the height gage settings from the bottom of the part to the bottom of the holes. Assume that the actual hole diameters and locations are the same as the given dimensions. The setting for Hole Number 1 is given.
(1)
The main scale setting.
The vernier scale setting.
Answer to Problem 26A
The main scale setting is
The vernier scale setting is
Explanation of Solution
Given information:
The diameter of the hole
The figure below shows the hole locations from surface plate.
Figure-(1)
Write the expression for the height gauge settings.
Here, the distance between the center of the holes is
Write the expression for the relationship between vernier scale setting and main scale setting.
Here, the height gauge setting is
Calculation:
Substitute
The
Hence, the main scale setting is
As the lower value is required for the measurement, taking
Substitute
Hence, the vernier scale setting is
Conclusion:
The main scale setting is
The vernier scale setting is
(2)
The main scale setting.
The vernier scale setting.
Answer to Problem 26A
The main scale setting is
The vernier scale setting is
Explanation of Solution
Given information:
The diameter of the hole
Write the expression for the height gauge settings.
Here, the distance between the centers of hole
Calculation:
Substitute
The
Hence, the main scale setting is
As the lower value is required for the measurement, taking
Substitute
Hence, the vernier scale setting is
Conclusion:
The main scale setting is
The vernier scale setting is
(3)
The main scale setting.
The vernier scale setting.
Answer to Problem 26A
The main scale setting is
The vernier scale setting is
Explanation of Solution
Given information:
The diameter of the hole
Write the expression for the height gauge settings.
Here, the distance between the centers of hole
Calculation:
Substitute
The
Hence, the main scale setting is
As the lower value is required for the measurement, taking
Substitute
Hence, the vernier scale setting is
Conclusion:
The main scale setting is
The vernier scale setting is
(4)
The main scale setting.
The vernier scale setting.
Answer to Problem 26A
The main scale setting is
The vernier scale setting is
Explanation of Solution
Given information:
The diameter of the hole
Write the expression for the height gauge settings.
Here, the distance between hole
Calculation:
Substitute
The
Hence, the main scale setting is
As the lower value is required for the measurement, taking
Substitute
Hence, the vernier scale setting is
Conclusion:
The main scale setting is
The vernier scale setting is
(5)
The main scale setting.
The vernier scale setting.
Answer to Problem 26A
The main scale setting is
The vernier scale setting is
Explanation of Solution
Given information:
The diameter of the hole
Write the expression for the height gauge settings.
Here, the distance between hole
Calculation:
Substitute
The
Hence, the main scale setting is
As the lower value is required for the measurement, taking
Substitute
Hence, the vernier scale setting is
Conclusion:
The main scale setting is
The vernier scale setting is
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Chapter 31 Solutions
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