3d_model

docs/week16.html

@@ -89,7 +89,51 @@
                             <p>The next step is to mill the part.</p>
                             
                             <h1>3D Milling</h1>
-                            <p>To mill the piece I am going to use the following 6 mm special milling cutter to mill polystyrene.</p>
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+                            <p>To mill in 3D on the CNC milling machine in the Fab Lab León that I taught in <a href="week07.html"><b>week 07,</b></a> I will use Vectric's Aspire software. Before going to the Fab Lab, I test the toolchain at home, and do the simulation to see how long it takes. I use the trial version of the Aspire 10. I try to perform a rough milling and then finish two of them turned 90º.</p>
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+                            <p>Using a 6mm mill polystyrene gives me a total time of 3 hours. I'll have to see how it looks in the Fab Lab León Aspire simulation.</p>
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+                            <span class="image main"><img src="images/week16/week16.04.jpg" alt="" /></span>
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+                            <p>The Aspire of the Fab Lab León is an old version and some things compared to the modern one. The first thing I choose is the size of the material (the material plate is 1250 x 600 x 40 mm). I import the STL and orient it, I tell it that the position plane 0 is down completely.</p>
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+                            <span class="image main"><img src="images/week16/week16.05.jpg" alt="" /></span>
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+                            <p>I choose the 6mm cutter for polystyrene to make the rough. I see in the simulation that it mills all the material (in the modern version of the Aspire, it only mills the part). So Nuria recommends that I adjust the material to the piece. </p>
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+                            <span class="image main"><img src="images/week16/week16.06.jpg" alt="" /></span>
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+                            <p>I choose the 6 mm cutter for polystyrene to make the <b>rough.</b> I see in the simulation that it mills all the material (in the modern version of the Aspire, it only mills the part). So Nuria recommends that I adjust the material to the piece.</p>
+                            <p>Also in my case I don't need it to be a perfect surface, because it will be part of the landscape and I will camouflage it with vegetation and herbs. So I'm going to try doing just the rought machining, without using the ball mill to make the finish finish. It only takes 25 minutes.</p>
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+                            <p>Once the simulation has been carried out and the strategy that I am going to use has been decided, I move on to the CNC milling machine. These are the two mills, 6 mm for polystyrene and the ball (the latter I will not use). I must tighten the mill well to the spindle.</p>
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+                            <span class="image main"><img src="images/week16/week16.07.jpg" alt="" /></span>
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+                            <p>I make the Z zero of the machine and it gives me a material thickness of 39 mm. I recalculate the trajectories and start the machine. It starts working and goes down to almost the base of the CNC. 😰 I stop immediately. </p>
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+                            <p><img src="images/week16/week16.08.jpg" width="70%"; max-width="700" /></p>
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+                            <p>I drilled the base of the CNC again, I was quick and stopped it. I made a mistake, a serious mistake. I measured the zero Z first at the material surface and then at the base of the CNC. I keep the base of the CNC as Z. 😖 <b>Remember Adrian:</b> First the Z is measured at the base of the CNC and then at the surface of the material.</p>
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+                            <p>After the scare was over, I re-measured the Z well.</p>
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+                            <span class="image main"><img src="images/week16/week16.09.jpg" alt="" /></span>
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+                            <p>Once I have milled with the rough technique, I decide to stay with it because the lines are not going to be noticed much and thus the landscape is not uniform.</p>
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+                            <p><img src="images/week16/week16.10.jpg" width="70%"; max-width="700" /></p>
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+                            <p>I make a profile path around the piece, for the milling machine to cut and obtain the final piece.</p>
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+                            <p><img src="images/week16/week16.11.jpg" width="60%"; max-width="700" /></p>
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+                            <p>Once the part is removed and aspirated, this is the result. A piece of my future model for the final project.</p>
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+                            <p><img src="images/week16/week16.12.jpg" width="90%"; max-width="700" /></p>
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                             <h1>Composite process</h1>