Tuesday, December 3, 2013

Part Fabrication Update

Pick-Up Location


When the parts are ready they can be picked up in the ME Conference Room. This is located in the main ME Department office.

Also available in this location are the Lego connectors, screws and quick connectors mentioned in a previous post that I purchased from McMaster Carr.

Please make sure that you only take the parts that belong to you. I left some parts in the lab for pick-up before Thanksgiving and some items "disappeared..."

The following pictures shows the layout in the conference room.








 Laser Cut Parts

All parts should be dimensioned in IPS units, have an identifier on it and be either 0.125 or 0.25" thick. Also the part must fit within an 11" x 23" envelope.

The following images show the parts that have been laser cut or that were scheduled to be cut this afternoon. These are images of the files that were used to create the cutting paths for the laser cutter. Each image is 11" x 23". This gives a buffer region of 0.5".

The procedure for creating the images is as follows:

  1. Create an 11" x 23" base-plate part in SolidWorks
  2. Create an assembly of the parts to be cut. This is done by creating a mate constraint between the base-plate and the individual components. The components are then dragged into place. Extra parallel constraints are added as needed to properly align the parts. 
  3. A SolidWorks drawing is then created of the assembly using a custom drawing sheet size of 11" x 23" and the drawing scale is set 1:1.
  4. The resulting file is then saved as a DXF file which is the preferred format for the laser-cutter driver program.

 1/8" Thick Acrylic






 1/4" Thick Acrylic







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