Packaging Equipments Dr. Hong Zhang. WII Assembly Line v.s. Honda Assembly Line.

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Presentation transcript:

Packaging Equipments Dr. Hong Zhang

WII Assembly Line v.s. Honda Assembly Line

More Videos The video on DVD that comes with the textbook: –Pick and Place Mechanism –Bottle Printing Machinery

Cam By Dr. Hong Zhang

Cam and Follower

Different Motions Translating Follower Oscillating Follower

Different Constraints Form-closedForce-closed

Cam Followers In An Engine

Different Followers Flat-faced follower Roller follower Mushroom follower

Motions of Cam Rise (R): One direction of output motion for a given period of input motion Fall (F): The opposite direction of rise for a period of input motion Dwell (D): No output motion for a specified period of input motion Combination of the motions: RDFD, RFD, RF

Displacement Diagram

S-v-a(-j) Diagram

Fundamental Law of Cam Design The cam function must be continuous through the first and second derivatives of displacement across the entire interval (360 degrees). Corollary: The jerk function must be finite across the entire interval.

How To Make a Cam Making of a cam shaft

Non-Traditional Use of Cam Discussion: How do you design this mechanism?

Can You Explain This?

Cylindrical Cam & Follower

Cylindrical Reversing Cam

Fishing Reel

Multi-Stop Rotary Indexer Video

Rotary Indexer in Action Screen Printing Plant

Multi-Stop Rotary Indexer Watch the videos above and see how many motion transferring mechanisms you can find and how many indexing mechanisms you can find.

Geneva Wheel

Scotch Yoke with Dwell

Discussion Given the filling, plugging, and capping machine shown in the video. Discuss what kind of mechanisms are used. If you are designing the same machine, what will you use?

Design of Cam Always have continuous s, v, a Draw s, v, a, j diagrams to help design Consider 4-bar links, hydraulics and pneumatics as options. More cam designs are replaced by computer based control.

Hidden Cam Applications

Homework (Due Dec. 5) Make a short (< 5min) video explaining the mechanism of a push pen or a flip/slide phone. By project group You can use any tool for presentation –Oral explanation –Reverse engineering –Hand sketch –Solidworks drawing –Animation –Etc. Upload to Youtube or your choice of video service and send me a link.