Category Archives: IC.1 Digital Fabrication

Contouring valchromat

The concept behind the project was to exploit the 3 layer property of the valchromat panel, as well as to understand the tools being given and achieve an effect using the tool to our advantage.  We wanted to do something which would take a lot of time to model in rhino but because of the rhinocam simulation would create a greater effect in a shorter time. We were inspired by the forms of layered rock and started analyzing how we could achieve a contoured layered effect whilst exposing the different coloured layers.

The modelling in rhino was done using the ‘heightfield from image command’. Some scaling and mirroring was required to fit in the model in the given constraints of 595 x 395 x 24 mm. The tool used was a 10mm diameter flat end tool. The stepover and offset controls were tweaked and played with in order for us to achieve the layered effect that we desired.

Considerations that we made for the material were that it might be fibrous and brittle inside so we were depending on the tool to be sharp and precise. This was not so and therefore our milled panel was a little hairy. We fixed this by finishing it with sandpaper. Read More »

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Caterpillar lamp

The idea of this assignment was to use paper with the techniques of cutting/folding using laser cutting technology to create a lamp that was unique in its form and exhibited an innovative use of the laser cutting machine. We used an origami technique to create a folding pattern that was flexible but at the same time had rigidity due to its triangular geometry. We added holes for light to seep through and create different effects. The paper used was reflective (silver) on one side and white on the other and the arrangement of the lamp was done in such a way that both sides could be seen. The method of joining the papers together was a system of legs and slits which can be seen in the drawing.

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DIGITAL FABRICATION ::: EXERCISE 2 – Valchromat milling ::: GROUP 19

Inspired by Sand dunes formation and its patterns.

Performance
Horizontal Roughing was important to be done prior to the 3-axis Projection Pocketing in order to save time.
The whole process in total took 1 hour.

3D milling – Process consisted of two phases:

First phase:
horizontal roughing
Tool: BallMill 26mm in diameter
Dimensions of the board: 600 by 400mm
Boards of 8mm thickness
Time taken: 9 min.

Second phase:
Projection Pocketing following a rectangular path
Tool: Ballmill 12mm in diameter
Global parameters intol: 0 , outtol: 0.4,
% Tool Diameter: 25 %
Time taken: 48 minutes

Rhino file: steps of formation

Horizontal roughing

Also posted in HUNIA TOMOUM, Jayanthimala Thangarajan Gokulrajkailash, Milling, Uncategorized, YA-PING CHEN | Comments closed

Students: Fernando Barba/ Jose Starsky Naya Lara / Ricardo Fernandez

In this project we wanted to emulate the idea of a topography based surface, our intentions were to simulate in RhinoCAM the capacity of the machine to build this gently shapes in order to obtain the result we wanted, Valchromat was picked and its intended to watch the depth of the material by trying to show all the three colors of the panel first doing a 26mm tool Horizontal Roughing to remove the most quantity of material and then pass to a 12mm Parallel finishing tool for a better smooth looking surface.

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The (B) Lamp

B lamp

Students:  Fernando Barba Castillo / Jose Starsky Naya Lara / Ricardo Fernandez

For this exercise we were given methacrylate as a material and bending as the technique to be used. Since the beginning the material presented several drawbacks, for example the fragility but at the same time the rigidity of the material to bend.

Trying to achieve the bending of the methacrylate we experimented applying heat to the material with a heat gun. We concluded after several experiments with heat, that it was possible to bend but that it was not an accurate bend,  and was more of an artisanal work rather than digital fabrication. After bending with a heat gun was discarded, we started to look at bending by applying force to it and creating joints on the lamp that would encourage the bending but at the same time create a rigid structure.

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