diff --git a/docs/group_assignments/group2/assets/assignment5/Test2.jpg b/docs/group_assignments/group2/assets/assignment5/Test2.jpg new file mode 100644 index 0000000000000000000000000000000000000000..46feeec006b2ab4c91b49f835160bfaab29e5417 Binary files /dev/null and b/docs/group_assignments/group2/assets/assignment5/Test2.jpg differ diff --git a/docs/group_assignments/group2/assignment5.md b/docs/group_assignments/group2/assignment5.md index 145a00e644d2e74be5f53d31abeff0621f7192e5..bdb7a7932d9c84342b7c9d94d9c0d06dd03e54f2 100644 --- a/docs/group_assignments/group2/assignment5.md +++ b/docs/group_assignments/group2/assignment5.md @@ -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 --> + +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. + + +Figure: There were some strings between structures in the test piece printed by Fortus 380 mc. TEST 3. + + +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. + + +Figure: The test pieces printed by Ender 3 pro and Formlabs Form. TEST3 + +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| - -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. - - -Figure: There were some strings between structures in the test piece printed by Fortus 380 mc. - - -Figure: In the test piece printed by the Raise 3d pro2 ther was roughness below the overhang when the angle was nearly horizontal - - -Figure: The test pieces printed by Ender 3 pro and Formlabs Form.