Mechanical Engineering Exam > Mechanical Engineering Questions > In gears, interference takes place when _____...
Start Learning for Free
In gears, interference takes place when _____.
- a)Tip of a tooth of a mating gear digs into the portion between base and root circles
- b)Gears do not move smoothly in the absence of lubrication
- c)Pitch of the gear is not same
- d)Gear teeth are undercut
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
In gears, interference takes place when _____.a)Tip of a tooth of a ma...
Due to interference, the tip of one of the gear of the pair will tend to dig into portions of the flank of the tooth of the other member of the pair.
Most Upvoted Answer
In gears, interference takes place when _____.a)Tip of a tooth of a ma...
Interference in Gears
Interference in gears refers to a specific condition where the tip of a tooth of a mating gear digs into the portion between the base and root circles. This phenomenon occurs when the gears are not properly designed or manufactured, resulting in undesirable contact between the gear teeth. Interference can have negative effects on the performance and durability of gears, and it is important to understand its causes and consequences.
Causes of Interference
Several factors can contribute to the occurrence of interference in gears:
- Inaccurate Gear Design: Interference can be caused by an inaccurate gear design, where the pitch of the gear is not properly calculated or the tooth profile is not correctly defined. This can lead to overlapping of the gear teeth and subsequent interference.
- Improper Gear Manufacturing: Interference can also arise due to errors in the manufacturing process. If the gear tooth dimensions are not accurately produced or if there are deviations from the intended design, interference can occur.
- Undercutting: Undercutting is a condition where the gear teeth are not fully formed, resulting in a concave shape near the root of the tooth. This can contribute to interference as the mating gear tooth can dig into the undercut portion.
Consequences of Interference
Interference in gears can have several negative consequences:
- Noise and Vibration: Interference can lead to noise and vibration during gear operation. The contact between the gear teeth can result in increased friction and impact forces, leading to a noisy and unstable gear system.
- Poor Gear Performance: Interference can affect the overall performance of the gears. It can result in reduced efficiency, power transmission losses, and decreased load-carrying capacity. This can limit the gear system's ability to transmit torque effectively.
- Increased Wear and Failure: Interference can cause accelerated wear of the gear teeth due to increased contact stresses. It can also lead to premature failure of the gears, as the excessive forces and stresses can cause tooth breakage or pitting.
Preventing Interference
To prevent interference in gear systems, it is important to ensure proper gear design and manufacturing:
- Accurate Gear Design: The gear geometry, including the pitch, tooth profile, and clearance, should be accurately calculated and defined to avoid interference. Computer-aided design (CAD) software can be used to simulate and analyze the gear meshing for interference-free operation.
- Precision Gear Manufacturing: High-precision manufacturing processes should be employed to produce gears with accurate tooth dimensions and profiles. This includes proper machining, heat treatment, and finishing operations to eliminate errors and deviations.
- Proper Gear Tooth Profile: The gear tooth profile should be carefully designed to avoid undercutting. This can be achieved by adjusting the tooth geometry and ensuring sufficient clearance between the mating gears.
By addressing these factors, interference in gears can be minimized or eliminated, resulting in improved gear performance, reduced noise, and increased gear system durability.
Interference in gears refers to a specific condition where the tip of a tooth of a mating gear digs into the portion between the base and root circles. This phenomenon occurs when the gears are not properly designed or manufactured, resulting in undesirable contact between the gear teeth. Interference can have negative effects on the performance and durability of gears, and it is important to understand its causes and consequences.
Causes of Interference
Several factors can contribute to the occurrence of interference in gears:
- Inaccurate Gear Design: Interference can be caused by an inaccurate gear design, where the pitch of the gear is not properly calculated or the tooth profile is not correctly defined. This can lead to overlapping of the gear teeth and subsequent interference.
- Improper Gear Manufacturing: Interference can also arise due to errors in the manufacturing process. If the gear tooth dimensions are not accurately produced or if there are deviations from the intended design, interference can occur.
- Undercutting: Undercutting is a condition where the gear teeth are not fully formed, resulting in a concave shape near the root of the tooth. This can contribute to interference as the mating gear tooth can dig into the undercut portion.
Consequences of Interference
Interference in gears can have several negative consequences:
- Noise and Vibration: Interference can lead to noise and vibration during gear operation. The contact between the gear teeth can result in increased friction and impact forces, leading to a noisy and unstable gear system.
- Poor Gear Performance: Interference can affect the overall performance of the gears. It can result in reduced efficiency, power transmission losses, and decreased load-carrying capacity. This can limit the gear system's ability to transmit torque effectively.
- Increased Wear and Failure: Interference can cause accelerated wear of the gear teeth due to increased contact stresses. It can also lead to premature failure of the gears, as the excessive forces and stresses can cause tooth breakage or pitting.
Preventing Interference
To prevent interference in gear systems, it is important to ensure proper gear design and manufacturing:
- Accurate Gear Design: The gear geometry, including the pitch, tooth profile, and clearance, should be accurately calculated and defined to avoid interference. Computer-aided design (CAD) software can be used to simulate and analyze the gear meshing for interference-free operation.
- Precision Gear Manufacturing: High-precision manufacturing processes should be employed to produce gears with accurate tooth dimensions and profiles. This includes proper machining, heat treatment, and finishing operations to eliminate errors and deviations.
- Proper Gear Tooth Profile: The gear tooth profile should be carefully designed to avoid undercutting. This can be achieved by adjusting the tooth geometry and ensuring sufficient clearance between the mating gears.
By addressing these factors, interference in gears can be minimized or eliminated, resulting in improved gear performance, reduced noise, and increased gear system durability.
|
Explore Courses for Mechanical Engineering exam
|
|
Top Courses for Mechanical EngineeringView all
Question Description
In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer?.
In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? for Mechanical Engineering 2025 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer?.
Solutions for In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect 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 In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer?, a detailed solution for In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? has been provided alongside types of In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice In gears, interference takes place when _____.a)Tip of a tooth of a mating gear digs into the portion between base and root circlesb)Gears do not move smoothly in the absence of lubricationc)Pitch of the gear is not samed)Gear teeth are undercutCorrect answer is option 'A'. Can you explain this answer? tests, examples and also practice Mechanical Engineering tests.
|
|
Explore Courses for Mechanical Engineering exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup