Concept explainers
A cross-sectional view of a bevel gear is shown in Figure 13-5. Given the diametral pitch and the number of gear teeth, determine the pitch diameter, the addendum, and thededendum. Round the answers to 4 decimal places.
(a)
The pitch diameter, addendum and dedendum of the gear.
Answer to Problem 12A
Explanation of Solution
Given:
Diametral pitch
Number of teeth
Calculation:
The pitch diameter is calculated by the formula
Addendum is calculated by the formula
And, dedendum is calculated by the formula
Conclusion:
The pitch diameter, addendum and dedendum of gear are
(b)
The pitch diameter, addendum and dedendum of the gear.
Answer to Problem 12A
Explanation of Solution
Given:
Diametral pitch
Number of teeth
Calculation:
The pitch diameter is calculated by the formula
Addendum is calculated by the formula
And, dedendum is calculated by the formula
Conclusion:
The pitch diameter, addendum and dedendum of gear are
(c)
The pitch diameter, addendum and dedendum of the gear.
Answer to Problem 12A
Explanation of Solution
Given:
Diametral pitch
Number of teeth
Calculation:
The pitch diameter is calculated by the formula
Addendum is calculated by the formula
And, dedendum is calculated by the formula
Conclusion:
The pitch diameter, addendum and dedendum of gear are
(d)
The pitch diameter, addendum and dedendum of the gear.
Answer to Problem 12A
Explanation of Solution
Given:
Diametral pitch
Number of teeth
Calculation:
The pitch diameter is calculated by the formula
Addendum is calculated by the formula
And, dedendum is calculated by the formula
Conclusion:
The pitch diameter, addendum and dedendum of gear are
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Chapter 13 Solutions
EBK MATHEMATICS FOR MACHINE TECHNOLOGY
- A single-threaded (or single-start) square-thread screw is shown in Figure 5-6. The lead of a screw is the distance that the screw advances in one turn (revolution). The lead is equal to the pitch in a single-threaded screw. Given the number of turns and the amount of screw advance, determine the leads.arrow_forwardFind the distance y to the nearest hundredth of an inch.arrow_forwardRefer to the Decimal-Inch Spur Gears Table under the heading "Gearing-Diametral Pitch System" in Unit 48 to determine the pitch diameter of an 8-pitch gear that has 45 teeth.arrow_forward
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