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3d Printing technology, materials and slicer
- 1. #3D PRINTING
- 2. What is 3d printing? ■ Is the process used to create a three-dimensional object from digital file. ■ Every layer of material is formed under computer control, to create an object. Objects can be of any shape or geometry ■ Also known as additive manufacturing (AM)
- 3. What is 3D printing?
- 4. Where is 3d printing used?
- 5. What do you need to start 3d printing? ■ 3d printer ■ Filament ■ Cad program ■ 3d model file ■ Slicer
- 6. Do you have a 3d printer? ■ Buy a desktop 3d printer (3d hubs reviews) – How much cost a 3d printer? – https://www.3dhubs.com/best-3d-printer-guide – Tevo Tarantula (starts at 183 euro) ■ Build a home 3d printer – https://www.thingiverse.com/thing:2254103/#files ■ Use someone else 3d printer (3d hubs services) – https://www.3dhubs.com/ – https://www.sculpteo.com/en/ – https://www.shapeways.com/ – https://i.materialise.com/en
- 8. Printer Model Distribution ■ The Most Popular Printer Model is the Original Prusa i3 MK2
- 9. Do you know to design? ■ Yes, so which software is free? – Meshmixer – Fusion 360 – Bleder ■ No, so where is free 3d model? – Thingiverse – Yeggi – Pinshape
- 10. 3d Printing Technologies ■ SLA (Sterolithography) ■ FDM (Fused Deposition Modeling) ■ SLS (Selective Laser Sintering)
- 11. Most Used Technologies The most popular technology continues to be FDM with 68% market share, it’s still the most affordable way to get the first prototype in your hands
- 13. Top Print Cities
- 14. SLA Stereolithography ■ UV light used to “cure” (harden) photosensitive resins or “photopolymers.” `
- 16. SLS Selective Laser Sintering ■ A bed powder are selectively fused together by a laser. Various materials; metal alloys, metal powders, thermoplastics, ceramic powders
- 17. SLS Selective Laser Sintering
- 18. FDM Fused Deposition Modeling ■ Melted plastic filament pushed through a nozzle or “extruder.” Common plastics are ABS and PLA
- 20. DMLS Direct Metal Laser Sintering ■ A bed powder are selectively fused together by a laser. Various materials; metal alloys, metal powders, thermoplastics, ceramic powders
- 21. Direct Metal Laser Sintering
- 22. Let’s see deeper a FDM 3d printer ■ Frame ■ Extruder ■ Linear bearings & guides ■ Belts ■ Heated bead ■ Corners, screws, nuts ■ Control Board ■ Screen ■ Hot end ■ Power supply ■ End stops ■ Cooling fun ■ Stepper motors ■ Cables
- 23. Typologies of FDM 3d printers ■ Cartesian – Prusa i3 – Corexy ■ Delta ■ Polar ■ Robotic Arms
- 24. Extruder types ■ Direct – is an extruder where the hot and cold end are attached directly to one another – 3D print head is large and heavy – Better responsiveness ■ Bowden – The extruder simply moves the cold end mounted directly to the frame – More precise positioning (less moment of inertia) – Can’t print flex materials – Faster movement
- 25. Linear bearings & guides ■ linear bearing ■ V slot wheels
- 26. Control Board & Screen ■ 32bit or 16bit
- 27. Hot end
- 28. Ultimate 3D Printing Materials Guide
- 29. Ultimate 3D Printing Materials Guide
- 30. SLA resins ■ Standard ■ Castable ■ Flexible ■ Tough ■ Durable ■ High Temp ■ Dental ■ Color kit
- 31. SLS materials ■ PA (many grades) ■ Alumide (polyamide with aluminium) ■ Carbonmide (polyamide with carbon fiber reinforced) ■ PAG (polyamide with glass ■ Flex ■ PA fire retardant ■ PEEK
- 33. Features & Design rules
- 34. Features & Design rules
- 36. Design rules ■ Files must be: – STL or OBJ format – watertight, no holes ■ Cannot have: – Loose Faces – Inverted Normals – Intersecting Geometry
- 37. Video ■ New Stratasys machine ■ Color printer ■ Dual extruder printer ■ Smart extruder ■ Form 2 ■ New resins ■ Black belt
- 38. Slice an stl model for 3d Printing with simplify3d
- 39. First screen
- 40. Compatible with hundreds of 3d printers
- 41. Configuration ■ Auto-Configure for Material: – Adjusts temperature – Extrusion – Cooling – settings based on the material ■ Auto-Configure for Print Quality: – Adjusts layer height – infill density
- 42. Extruder tub ■ Extrusion Multiplier: The extrusion multiplier will multiply the amount of filament extruded for your entire print. The default values in the software are .90 for PLA and 1.0 for ABS ■ Retraction Distance: How much filament will be retracted when the software does a retract. For standard Direct Drive, usually .5 to 2.5 mm will work well. For Bowden extruders, 5 to 8.5 mm seems to work well
- 43. Layers tab ■ Primary Layer Height: How thick you want each layer to be on the Z-axis ■ Top Solid Layers: The number of 100% infill layers that will be placed at the top of your part. ■ Bottom Solid Layers: The number of 100% infill layers that will be placed at the bottom of your part. ■ Outline/Perimeter Shells: Outline shells will trace the outline of your part, and extrude at your extrusion thickness.
- 44. Additions tab ■ Skirts are really useful for priming your extruder prior to printing. Generally print with a skirt offset of 4 mm and 2 outlines. ■ Changing the offset to 0 mm, offers the ability to create a "brim" that will connect to your part and help create surface adhesion.
- 45. Infill tab ■ Infill Percentage: Adjusts the interior solidity of your 3D print. 0% is completely hollow and 100% is completely solid. A value in the range of 20- 50% is frequently used.
- 46. Support tub ■ Support structures are used when your model has steep overhangs or unsupported areas. Typically, overhangs greater than 45º
- 47. Support tub
- 48. Temperature tab ■ Per-Layer Temperature Controls: You can edit the temperature on a per layer basis. ■ For ABS ■ For PLA - Layer 1 | Fan off - Layer 2 | Fan On 60%
- 49. Cooling tab ■ Per-Layer Fan Controls: You can edit the fan speed on a per layer basis. This is very similar to how the temperature tab works.
- 50. G-Code & Script tabs
- 51. Others tab ■ Default Printing Speed: This is the speed at which the Infill of your part will be printed. ■ Outline Underspeed: For your perimeters, you print at a (80)% of your Default Printing Speed.
- 52. Advanced tab
- 53. Prepare to Print ■ After you have finalized your Process settings, click Prepare to Print! This will initiate two important functions: Simplify3D will “slice” your model and transition to the review Mode. ■ “Slicing” is the term used to describe the process of converting a digital model into line-by- line printer instructions called G-Code. The lightening-fast slicer in Simplify3D quickly prepares G-Code based on the variables you selected in the FFF Settings window ■ The animated Preview Mode allows you to inspect all aspects of your print operation prior to execution. The software reads the G-Code and displays line-by- line or layer-by-layer how your model will be constructed
- 54. Simulation
- 55. Test models ■ Dimensional Accuracy ■ Bridging Performance ■ Overhang Performance ■ Negative Space Tolerance ■ Fine Positive Features Performance ■ XY Resonance ■ Z Resonance
- 56. Print Quality Troubleshooting Guide
- 57. Print Quality Troubleshooting Guide
- 58. Print Quality Troubleshooting Guide ■ And the answers is below ■ https://www.simplify3d.com/support/print-quality-troubleshooting/
- 59. Print Quality Troubleshooting Guide ■ Print Not Sticking to the Bed – Build platform is not level – Nozzle starts too far away from the bed – First layer is printing too fast – Temperature or cooling settings – The build platform surface (tape, glues, and materials) – When all else fails: Brims and Rafts
- 60. Print Quality Troubleshooting Guide ■ Holes and Gaps in the Top Layers – Not enough top solid layers – Infill percentage is too low – Under-Extrusion ■ Layer Separation and Splitting – Layer height is too large – Print temperature is too low
- 61. Print Quality Troubleshooting Guide ■ Stringing or Oozing – Retraction distance – Retraction speed – Temperature is too high – Long movements over open spaces – Movement Speed