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A | Blender <strong>granule</strong> tests<br />

Thoughts<br />

The output looks nearly the same as the input.<br />

- The input pieces bounce a lot, the blades hardly cut the material.<br />

- We are glad this does not work because it is a lot of work to cut a milk bottle as<br />

small as this.<br />

- Fumbling this size will not show a better result. The pieces would only bounce<br />

more up and down; it is not realistic for a consumer to put so much effort in<br />

recycling a milk bottle.<br />

8. Blending 1 minute, small amount of industrial <strong>granule</strong> (±10gram)<br />

Input Blender Output<br />

Thoughts<br />

We wanted to try to blend the industrial <strong>granule</strong>, acquired by using the industrial shredder<br />

available at Delft University of Technology, to even smaller <strong>granule</strong>. The result shows that<br />

some of the <strong>granule</strong> becomes smaller but the rest remains the same.<br />

- A lot of <strong>granule</strong> becomes as large as dust and really static.<br />

- Granule bounces without being cut by the blades.<br />

- What would happen if we put more <strong>granule</strong>s into the blender?<br />

9. Blending 1 minute, large amount of industrial <strong>granule</strong><br />

(±60gram)<br />

Input Blender Output<br />

Thoughts<br />

Result remains the same.<br />

- Granule still bounces up without really being cut by the blades<br />

- We felt that the blades of the blender can become really hot. So we wondered how<br />

that has impact on the material and on the sharpness of the blades.<br />

10. Blending 1 minute, RepRap waste (±10gram)<br />

Input Blender Output<br />

34 | Prototyping Lab (IO3028) - RepRap Recycle Add-on

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