Week 1 - Principles and practices, project management Week 2 - Computer aided design Week 3 - Computer controlled cutting Week 4 - Electronics production Week 5 - 3d scanning and printing Week 6 - Electronics design Week 7 - Embedded programming Week 8 - Computer controlled machining Week 9 - Molding and casting Week 11 - Input devices Week 12 - Output devices Week 13 - Composites Week 14 - Networking and communications Week 15 - Interface and application programming Week 16 - Applictions and implications Week 17 - Mechanical design - machine design Week 18 - Invention, intellectual property and income Week 19 - project development

Computer-controlled machining

For this assignment I wanted to make something useful to my baby son and I got a image from internet, based in it I began my design in solidworks

After that I saved the solid part in "dxf" format to open in another software that control the shopbot called partworks, like I show below.

In this software I had to set some parameters like angular velocity of the chuck, machining processes.

I had to make the desktop twice because at the beginning I did not take the right adjustment, so the press-fit doesn't worked. finally the assembly show below.

At the end my baby son was the more happy with this assignment and me too.

finally after my baby son used his desk, he was just as I show below

I could learn that shopbot machine is accurate, but after a day use their precision decreases and our court will not have the same tolerances as mentioned in the datasheet of the machine, which is why it is better testing fit to take account of the accuracy and tolerances for a good fit or tighten.

I used playwood 12 and 15 mm thick. the spindle speed was 18,000 rpm, the feed rate was 80 mm / sec and the depth of grinding was 3.2 mm per layer

You can download the design files in the next Link