Shaft with taper key - example of successfully constrained motion - Theory of Machines - 1

Q.  Shaft with taper key is an example of
- Published on 06 Aug 15

a. incompletely constrained motion
b. completely constrained motion
c. successfully constrained motion
d. all of the above

ANSWER: successfully constrained motion


  • keshav   -Posted on 05 Jun 18
    if so , Then the case of shaft inside circular hole with collars , how it is complete constrained why not successfully ??
  • Sravanthi   -Posted on 19 Oct 15
    - The relative motion between links is not completely constrained on its own and is made so by using other means. This motion is called as successfully constrained motion.

    - The round bar has incompletely constrained motion in round hole. This can be successfully constrained to pure rotational motion by providing a key way in the bar.

    - Providing a key on shaft prevents sliding motion of round bar and it only rotates along the block. Hence, it becomes a successfully constrained motion.

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