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M
maziz1-Visitor
1-Visitor
November 2, 2015
Question

Pulley Belt Mechanism

  • November 2, 2015
  • 1 reply
  • 4534 views

How to apply a belt mechanism between two pulleys, where the first pulley is to be FREELY ROTATED around the shaft and the second pulley to be rotated WITH the shaft.


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1 reply

M
mganzer1-Visitor
1-Visitor
November 2, 2015

You have to create this using the belt functionality in Mechanism mode. With the two pulley free to move as pin joints go into the belts command.

11-2-2015 9-56-02 AM.png

Pick on the two surfaces of the pulleys. Hold CRTL down to pick second surface.

11-2-2015 10-32-59 AM.png

When you drag either pulley the second goes along based on ration of pulleys.

11-2-2015 10-33-23 AM.png

M
maziz1-VisitorAuthor
1-Visitor
November 11, 2015

Mark Ganzer Hi, thank you for your reply, but I already know how to create a belt, I am looking forward to have a series of pulleys creating a belt train. The problem that I face while creating it is that when I rotate the first pulley the second and the third pulleys rotate as intended, but so are the links they are connected on which is not correct for my situation, as my desire is that the pulleys are kept lose (placed on a bearing) on these links.

I hope my explanation was clear, please do contact me it you require any further explanation, Thank you in advance.

M
mganzer1-Visitor
1-Visitor
November 11, 2015

Sounds like the issue is going to be with your mechanism joints. If the pulleys are tied to the links (or more likely the link is assembled fixed relative to the pulley/shaft) they'll move together. You have to have your joints (pulley vs. link) set up so they are independent of each other. Perhaps tied to a neutral model such as the frame that supports them all.

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