This topic contains a solution. Click here to go to the answer

Author Question: What are the main advantages of modern helical gearboxes? What will be an ideal ... (Read 47 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
What are the main advantages of modern helical gearboxes?
 
  What will be an ideal response?

Question 2

Why is chordal action a problem in a chain drive?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

Modern helical gearboxes are durable, cool running, and efficient. Because of the helical tooth configuration, typical efficiency is 95-99. That's a great advantage compared to worm gearboxes whose efficiency can be 60 or lower.

Answer to Question 2

The pulsations produced by chordal action generates noise and vibration and considerably limits the power capacity and speed range of a roller chain.




ebonylittles

  • Sr. Member
  • ****
  • Posts: 318

 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

For a complete list of videos, visit our video library