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22.322 Mechanical Design II. Spring 2013. HW #4. Problem 11.3a. HW #4. Problem 11.12. Lecture 19. In the previous lecture, we discussed static and dynamic balancing of rotating parts Main difference between static and dynamic balancing??

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22.322 Mechanical Design II

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22 322 mechanical design ii

22.322 Mechanical Design II

Spring 2013


22 322 mechanical design ii

HW #4

Problem 11.3a


22 322 mechanical design ii

HW #4

Problem 11.12


Lecture 19

Lecture 19

  • In the previous lecture, we discussed static and dynamic balancing of rotating parts

    • Main difference between static and dynamic balancing??

  • Specifically, we looked at a few examples of shafts with disks

  • We were asked to balance the shaft by adding masses to one or more of the disks

  • Let’s look at similar, but different examples…


Lecture 191

Lecture 19

  • Let’s consider the unbalanced link shown below.

  • We would like to balance the ink with a single mass, mb.

  • In order to do this, we need to essentially make the center of mass of m1, m2, and mb be located at x=0, y=0.


Lecture 192

Lecture 19


Lecture 193

Lecture 19


Lecture 194

Lecture 19

Example


Lecture 195

Lecture 19

  • Let’s consider the two-plane dynamic balancing problem


Lecture 196

Lecture 19


Lecture 197

Lecture 19


Lecture 198

Lecture 19


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