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Gearing contact is which one of the following?
- a)Sliding contact
- b)Sliding contact, only rolling at pitch point
- c)Rolling contact
- d)Rolling and sliding at each point of contact
Correct answer is option 'B'. Can you explain this answer?
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Verified Answer
Gearing contact is which one of the following? a)Sliding contact b)Sli...
When pair of teeth touch at the pitch point ,they have for the instant pure rolling action. At any other position they have the slidingaction.
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Gearing contact is which one of the following? a)Sliding contact b)Sli...
Gearing Contact
Rolling and sliding are two types of contact that can occur in a gear system. Rolling contact is where the gear teeth roll past each other, while sliding contact is where the gear teeth slide past each other.
Sliding Contact
In sliding contact, the gear teeth slide past each other, resulting in high friction and wear. This type of contact is typically found in worm gears and other non-parallel axis gear systems.
Rolling Contact
Rolling contact is where the gear teeth roll past each other, resulting in low friction and wear. This type of contact is typically found in parallel axis gear systems, such as spur gears, helical gears, and bevel gears.
Sliding Contact, Only Rolling at Pitch Point
In some gear systems, such as helical gears, there is a combination of rolling and sliding contact. However, at the point where the gear teeth meet, known as the pitch point, the contact is purely rolling. This is because the helix angle of the gear teeth causes them to roll past each other at the pitch point, resulting in low friction and wear.
Gearing Contact - Summary
Therefore, gearing contact is best described as sliding contact, only rolling at the pitch point. This is an important concept to understand when designing and analyzing gear systems, as it affects the efficiency, durability, and noise level of the system.
Rolling and sliding are two types of contact that can occur in a gear system. Rolling contact is where the gear teeth roll past each other, while sliding contact is where the gear teeth slide past each other.
Sliding Contact
In sliding contact, the gear teeth slide past each other, resulting in high friction and wear. This type of contact is typically found in worm gears and other non-parallel axis gear systems.
Rolling Contact
Rolling contact is where the gear teeth roll past each other, resulting in low friction and wear. This type of contact is typically found in parallel axis gear systems, such as spur gears, helical gears, and bevel gears.
Sliding Contact, Only Rolling at Pitch Point
In some gear systems, such as helical gears, there is a combination of rolling and sliding contact. However, at the point where the gear teeth meet, known as the pitch point, the contact is purely rolling. This is because the helix angle of the gear teeth causes them to roll past each other at the pitch point, resulting in low friction and wear.
Gearing Contact - Summary
Therefore, gearing contact is best described as sliding contact, only rolling at the pitch point. This is an important concept to understand when designing and analyzing gear systems, as it affects the efficiency, durability, and noise level of the system.
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Gearing contact is which one of the following? a)Sliding contact b)Sliding contact, only rolling at pitch pointc)Rolling contactd)Rolling and sliding at each point of contactCorrect answer is option 'B'. Can you explain this answer?
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