has updated it's forum.  To post a question please visit the new Ask@ Forum.   

With a database of over 10000 questions the library will remain available for an extended period.


Any 1 can show the formula or equation of the polar moment of inertia, J of a motor? View All

7 years ago - 3 months left to answer. - 1 response - Report Abuse
Respond to question
    0      [lnkReport]        0       0       
Share |

The polar moment of inertia [1] is a integral function of the Volume, radius for the rotational section, and the density of the object.

Since a Motor rotor typically made out of multiple materials with different densities you must calculated the determine the sum of the individual PMI's

Niel Leon

7 years ago

Source: [1]

  0     0  does not provide engineering advice. The Ask@ service is a forum for members to exchange ideas relating to the world of engineering. We caution users not to accept any responses that they receive without further validation, and not to rely on any engineering advice that they may get from other members of the Ask@ forum. specifically disclaims any obligation to validate or verify any information posted within the Ask@ service. encourages users to seek the services of a professional engineer for any engineering advice they may require.