Mechanical Engineering Exam > Mechanical Engineering Questions > For helical gears, the helix angle generally ...
Start Learning for Free
For helical gears, the helix angle generally ranges from
- a)00 to 300
- b)300 to 450
- c)450 to 600
- d)300 to 750
Correct answer is option 'A'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Most Upvoted Answer
For helical gears, the helix angle generally ranges froma)00 to 300b)3...
Helical gears are a type of gear system that have teeth that are not parallel to the axis of rotation, but instead are aligned at an angle. This angle is known as the helix angle. The helix angle affects the performance and characteristics of the gear system, including its load-carrying capacity, efficiency, and noise level.
The helix angle generally ranges from 0° to 30° for helical gears. Let's understand why this is the case:
1. Definition and Purpose of Helical Gears:
- Helical gears are cylindrical gears with teeth that are cut at an angle to the gear axis.
- The purpose of the helix angle is to introduce a sliding action between the teeth during contact, which helps in reducing noise and increasing the load-carrying capacity of the gears.
2. Helix Angle Range:
- The helix angle for helical gears typically ranges from 0° to 30°.
- The lower limit of 0° corresponds to a gear system with straight teeth, which is essentially a spur gear.
- The upper limit of 30° is a practical limit beyond which the sliding action between the teeth becomes too significant, leading to increased friction and wear.
- In some special cases, the helix angle can go beyond 30°, but these are not common and have specific applications.
3. Gear Performance Considerations:
- As the helix angle increases, the load-carrying capacity of the gear system improves due to the larger tooth contact area.
- However, increasing the helix angle also increases the axial thrust force, which needs to be properly managed in the gear design.
- The helix angle also affects the efficiency of the gear system, with higher angles generally resulting in slightly lower efficiency.
- Additionally, the helix angle influences the noise level of the gear system, with lower angles leading to quieter operation.
In conclusion, the helix angle for helical gears generally ranges from 0° to 30°. This range provides a balance between load-carrying capacity, efficiency, and noise level in the gear system.
The helix angle generally ranges from 0° to 30° for helical gears. Let's understand why this is the case:
1. Definition and Purpose of Helical Gears:
- Helical gears are cylindrical gears with teeth that are cut at an angle to the gear axis.
- The purpose of the helix angle is to introduce a sliding action between the teeth during contact, which helps in reducing noise and increasing the load-carrying capacity of the gears.
2. Helix Angle Range:
- The helix angle for helical gears typically ranges from 0° to 30°.
- The lower limit of 0° corresponds to a gear system with straight teeth, which is essentially a spur gear.
- The upper limit of 30° is a practical limit beyond which the sliding action between the teeth becomes too significant, leading to increased friction and wear.
- In some special cases, the helix angle can go beyond 30°, but these are not common and have specific applications.
3. Gear Performance Considerations:
- As the helix angle increases, the load-carrying capacity of the gear system improves due to the larger tooth contact area.
- However, increasing the helix angle also increases the axial thrust force, which needs to be properly managed in the gear design.
- The helix angle also affects the efficiency of the gear system, with higher angles generally resulting in slightly lower efficiency.
- Additionally, the helix angle influences the noise level of the gear system, with lower angles leading to quieter operation.
In conclusion, the helix angle for helical gears generally ranges from 0° to 30°. This range provides a balance between load-carrying capacity, efficiency, and noise level in the gear system.
Attention Mechanical Engineering Students!
To make sure you are not studying endlessly, EduRev has designed Mechanical Engineering study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Mechanical Engineering.
|
Explore Courses for Mechanical Engineering exam
|
|
Top Courses for Mechanical EngineeringView all
For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer?
Question Description
For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer?.
For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer?.
Solutions for For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? in English & in Hindi are available as part of our courses for Mechanical Engineering.
Download more important topics, notes, lectures and mock test series for Mechanical Engineering Exam by signing up for free.
Here you can find the meaning of For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer?, a detailed solution for For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? has been provided alongside types of For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice For helical gears, the helix angle generally ranges froma)00 to 300b)300 to 450c)450 to 600d)300 to 750Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup