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Commit 466fc3ec authored by Abhishek Kumar's avatar Abhishek Kumar
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group 2 updates

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1 merge request!8Group 2 week 5
docs/group_assignments/group2/assets/assignment5/Test2.jpg

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......@@ -15,12 +15,25 @@ authors:
This week we tried different 3D printers.
We used this [test model](https://www.thingiverse.com/thing:1363023) to compare the printers qualities.
We used this [test model](https://www.thingiverse.com/thing:1363023) to compare the printers qualities. TEST 3 was our group's responsibility.
## Tables
<!-- These headings are just temporary to separate the tables -->
![Spaghetti Fortus](./assets/assignment5/Fortus_spaghetti.jpg)
Figure: There was some "spaghetti" like structure below the overhang in the test piece printed by Fortus 380 mc, when the overhang was nearly horizontal. TEST 3.
![Strings Fortus](./assets/assignment5/Fortus_strings.jpg)
Figure: There were some strings between structures in the test piece printed by Fortus 380 mc. TEST 3.
![Raise3dpro2](./assets/assignment5/Raise3dpro2.jpg)
Figure: In the test piece printed by the Raise 3d pro2 ther was roughness below the overhang when the angle was nearly horizontal. TEST 3.
![Ender3pro_formlabsform](./assets/assignment5/Ender3pro_formlabsform.jpg)
Figure: The test pieces printed by Ender 3 pro and Formlabs Form. TEST3
![TEST2](./assets/assignment5/Test2.jpg)
Figure: The test pieces printed by Raise 3D, Ender 3 pro´, Formlabs Form, and Fortus 380 mc under TEST2 by another team.
### Table 1
......@@ -40,11 +53,11 @@ We used this [test model](https://www.thingiverse.com/thing:1363023) to compare
|Diameter|Measured diameters: We measured two outer diameters from the test print, larger and smaller. Raise 3D: 8mm, 6mm; Formlabs: 8mm, 6mm; Ender 3D pro2: 7.5 mm, 6.5 mm; Fortus 8mm, 6.1mmm|
|Then we test wall thickness, again without support, using this file, TEST2.||
|"Wall Thickness
|Supported walls are those that are connected to other walls on two or more sides."||
|Supported walls are those that are connected to other walls on two or more sides."|1) Raise 3D: Skipped one wall. Walls were connected 2) Ender: skipped two wall, rest of the walls were moving. 3) Formlabs: All walls were printed sucessfully. 4) Fortus: Skipped four walls. ||
|Then, we do tests for overhand and clearance with support using these files, TEST3.||
|Overhang||
|"Clearance
|In a model, clearance is the distance needed between two moving parts (e.g., the gap between a gear and a joint)."||
|In a model, clearance is the distance needed between two moving parts (e.g., the gap between a gear and a joint)."|We used clearance of range from 01. mm to 1 mm, with step size of 0.1 mm. 1) Raise 3D: We earlier forgot to print support for Raise 3D. Then, we printed one with support. Clearance of 0.2mm or higher allowed free movement between gear and joint. 2) Ender: Clearance of 0.2 mm or higher allowed free movement. 3) Formlabs: Clearance of 0.2 mm or higher allowed free movement. 4) Fortus: Clearance of 0.7 mm or higher allowed free movement.||
### Table 2
......@@ -92,14 +105,3 @@ We used this [test model](https://www.thingiverse.com/thing:1363023) to compare
|Build Volume|220x220x250mm|305x305x300mm|145x145x175mm|356x305x305mm|
|Printing Precision|+-0.1mm|0.01-0.25 mm|0.1-0.05mm|+-0.127mm|
![Spaghetti Fortus](./assets/assignment5/Fortus_spaghetti.jpg)
Figure: There was some "spaghetti" like structure below the overhang in the test piece printed by Fortus 380 mc, when the overhang was nearly horizontal.
![Strings Fortus](./assets/assignment5/Fortus_strings.jpg)
Figure: There were some strings between structures in the test piece printed by Fortus 380 mc.
![Raise3dpro2](./assets/assignment5/Raise3dpro2.jpg)
Figure: In the test piece printed by the Raise 3d pro2 ther was roughness below the overhang when the angle was nearly horizontal
![Ender3pro_formlabsform](./assets/assignment5/Ender3pro_formlabsform.jpg)
Figure: The test pieces printed by Ender 3 pro and Formlabs Form.
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