Short notes about your workholding projects:
Project 1: If you find some problems which might be present in the design, suggest some ways to solve the problems.
Project 2: This is an example of a modular fixturing that we're gonna study soon. Consider the workpiece's size equal to the size of the base plate (30 by 62). You are to place the pins in appropriate places in order to minimize the movement of the workpiece which is held by those two pins on this baseplate. Justify your answer.
Project3: No gear calculations, etc. Just come up with a design. Dimensions are not given, so the mechanism is only important. Application: Assume that the operator wants to level the top surface and a very small adjustment is required from the bottom of the workpiece.
Let me know if you have any questions.
About Me
- Dr Simin Nasseri
- Simin Nasseri is an Associate Professor at department of Mechanical Engineering Technology, the Southern Polytechnic State University (SPSU).
3 comments:
For project3, I understood that the operator could not see the work piece. if this is the case, how will he know when it is level.
would a upper/lower position for the pin (no middle adjustment) not be useful in this situation?
Jon, The operator can not see the "pin", but he can use a level to check the top surface (he has access to the top surface of the part, otherwise it is impossible to control the up/down motion of the part). I mentioned this in class.
If you have some creative idea about upper/lower positions that you mentioned, you can include that one as well, so I can show it to the class. Because the case you are considering is harder to design.
One suggestion for having fewer pages while you print the handouts: exclude the pages you do not want to print, so while printing, choose slides:
eg: 1-23, 25-30, 32-39
(slides 24, and 31 are excluded)
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