3DP WS1 - instruction

Workshop 3D printers
1

How a 3D Printer Works:

3D printing, also known as additive manufacturing, is a process where a three-dimensional object is created by laying down successive layers of material.

basic steps involved in 3D printing:

  • Designing a 3D Model: The first step is to create a 3D model. This model represents the physical object you want to print.

  • Slicing the Model: Before printing, the 3D model must be “sliced” into thin horizontal layers using slicing software. This is necessary because the 3D printer can only print one layer at a time.

  • Printing: The 3D printer then prints the object layer by layer. The print head moves along specified paths set by the sliced model, extruding material as it goes to build up the object from the bottom up.

  • Post-Processing: After printing, the object may require cleaning and removal of support structures, sanding, or other forms of post-processing to achieve the desired finish.

Printing Materials:

  • PLA:
  • Extruder Temperature: PLA is generally printed at a lower temperature range, around 180°C to 220°C. The exact temperature within this range can depend on the specific type of PLA, colorants, or additives included in the filament.
    Bed Temperature: it’s typically set to about 20°C to 60°C to help the first layers adhere better to the platform and to reduce warping.
  • ABS:
  • Extruder Temperature: ABS requires a higher temperature range to extrude properly, usually between 210°C and 250°C.
  • Bed Temperature: A heated bed is important when printing with ABS to prevent warping. The bed temperature is usually set higher than PLA, around 80°C to 110°C.

Why We Need Slicing Software:

  • Layer by Layer Conversion: It converts a 3D model into a series of thin layers and generates the appropriate toolpaths for the printer’s head to follow.

  • G-Code Generation: The software outputs G-code, which is the language that the 3D printer understands. This code provides the precise movements and material control commands required to print each layer.

  • Customization: Slicing software allows for the customization of print settings, such as layer height, print speed, temperature, and support structures, which can significantly impact the quality and strength of the printed object.

  • Material and Printer Specifics: Different printers and materials require different settings. Slicing software can be fine-tuned for the specific characteristics of the printer and the material used, ensuring optimal print quality.

The type of Core I3

rectlinear printers – XZ-head

what can we use 3d printing to do？