Assignments of the Machine Week 1/2

• Design a machine that includes mechanism + actuation + automation
• Build the mechanical parts and operate it manually
• Document the group project and your individual contribution

MECHANICAL DESIGN

Initial Ideas

Lingyu Yue wanted to design a white board plotter which can write on the whiteboard freely. Ricky Han wanted to design an x y plotter which can etch the PCB board automatically.

Lingyu's Design Sketch

Ricky's Design Sketch

According to Xiaohua Ye and Yufei Ma's suggestion, we decided to make a writing machine moving two dimensionally. And we want to make the machine's frame foldable and easy to carry.

For prototyping this machine more fast , Ricky took apart an old 3D printer and recycled the metal parts.

Make the Body Parts

Then Ricky designed the support parts and laser cutted them with 5mm acrylic materials.

Pen Holder

Lingyu worked on the pen holder part. She collected several pen holders' pictures online at first.

And then she brainstormed the structure of the pen holder.

design the penholder video from Lingyu Yue on Vimeo.

After brainstorming , Lingyu started designing the pen holder.

The Back Part

The two pieces can connect tightly with the help of the screws, hope no need to use glue.

Put all the parts together.

Made the 3D printing file.

3D print the penholder from Lingyu Yue on Vimeo.

3D printing it.

At first , Lingyu put all the parts in wrong direction. So the back part of the pen holder failed . Then we change the parts' orientation.

Then we had the final penholder.

Assemble the Machenical Parts

Ricky put all the parts together.

The frame can be folded like this. But the first version is not stable.

We remade the 3D parts

Operate it manually.

Files

Here are the files of mechanical design:

All the files in rar format