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COMP Final EXAM
Computer Class Final Exam Coach Leach
| Term | Definition |
|---|---|
| Brim | A single flat layer printed around the base of a model to prevent warping. The width can typically be altered in a slicer program. |
| Warping | Due to the high heat involved in most 3D printing process differential cooling results in area of a print cooling at different rates resulting in deformation. |
| Wall thickness | Generally associated with minimum wall thickness - the thinnest dimension a wall can be printed at such that it can support the model. Varied by technology. Different from shell thickness. |
| Build resolution | Typically refers to the layer height that a 3D print is printed at. Similar to the resolution on a television or computer monitor but in 3D the lower the build layer height the higher the part resolution. |
| Temperature differential | The difference in temperature between 2 points. In 3D printing reducing the temperature differential between 2 nearby points reduces the likelihood of warping or deformation. |
| Support | Support is the extra material that is printed during a 3D print allowing a design with complex geometry to be successfully printed. Support is required to successfully print overhangs and bridges and is removed and discarded in the post processing stage. |
| Build time | The total time it takes for a 3D printer to complete a 3D print. |
| Creep | The tendency for materials to move or deform over time when subjected to a continuous load. Resins and polymers often experience this phenomena |
| Skirt | A line that is initially printed around the print (but not connected to the print) to clean the nozzle head. |
| Shell | In 3D printing the shell refers to the walls of the print that are exposed to the outside of the model. 3D will print shells at the perimeter of the model and then fill the model with infill. Different to wall thickness. |
| Elongation | Pulling or stretching a material. An important term in plastics to understand how a material will deform under load. |
| X-axis | The side to side (left to right) direction relative to the print bed |
| Y-axis | The back and forth direction relative to the print bed |
| Layer height | Sometimes called parint resolution this is the height of each layer of a 3D print typically measured in microns |
| Z-axis | The up and down directions relative to the print bed. |
| Micron | A measurement of distance regularly used to describe 3D printing layer height. 1,000th of a millimeter. A human hear is approximately 17 microns thick. |
| Retraction | Retraction is the recoil movement of the filament necessary to prevent dripping of material during movements and displacements that the vacuum extruder performs during 3D printing. |
| G-code | The common name for the most widely used programming language. It is used in computer-aided manufacturing to control automated machine tools (like 3D printers) |
| Raft | A thick grid with a roof that is added to the base of the part to limit the likelihood of warping occurring. |
| Overhang | Overhangs occur when a newly printed layer of material is only partially supported to the layer below. Angled walls are considered overhangs and depending on the print technology and angle often require support to print successfully. |
| Infill | A value usually represented in percentage that shows how much a solid model should be filled in with material when printed. 100% infill means the part is completely solid. Infill is used to make 3D printing cheaper and faster. |
| Print Speed | The speed the print head moves around the build plate typically measured in mm/s. 50mm/s is a common speed for desktop 3D printing. |
| The Automated Loom | was invented by Joseph Jacquared in 1801. |
| The Armored Knight | was invented by Leonardo DaVincinin 1495. |
| The Remote Controlled Boat | was invented by Nikola Tesla in 1898. |
| The Mechanical Bird called the Pidgeon | was invented by Archytas in 350 BC. |
| Isaac Asimov | wrote stories about robots and came up with the three laws of robotics. |
| Dr. John Adler | a surgeon that came up with the concept of the Cyber Knife. |
| Alan Turing | developed the Turing Test to determine the intelligence of a computer and if it can pass for a human. |
| Karel Capek | a playwright that first used the word Robot in his play. |
| R2D2 and C3PO | two robots created by George Lucas in a movie called Star Wars. |
| Unimate | the name of the first industrial robotic arm introduced in 1962. |
| The Stanford Cart | a line reading robot introduced in 1970 by students from Stanford University. |
| Asimo | the name of a humanoid robot introduced by Honda in the year 2000. |
| Spirit and Opportunity | two robots introduced in 2004 as rovers on the surface of Mars. |
| TinkerCad | a software app that allows you to create three dimensional images as well as electronic circuit diagrams and even Lego prototypes. |
| Canva | a software app that allows you to create presentations in many different genres such as printed media, video or slide shows. |
| Edison | an educational robot that is completely built and ready to program with a full compliment of sensors and can even play sounds. |
| Power Point | a software app that is part of the Microsoft Office Suit used to make presentations mostly in the form of a slide show. |
| Excel | a software app that is part of the Microsoft Office Suit that is used to make spreadsheets for working with numbers and formulas. |
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CoachLeach
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