HIPS

Definition

HIPS, or High Impact Polystyrene, is a thermoplastic material commonly used in 3D printing and additive manufacturing, particularly for creating support structures. This material is known for its strength and impact resistance, making it ideal for supporting complex geometries during the printing process. HIPS can be easily dissolved in limonene, allowing for the removal of support without damaging the primary printed part, which enhances the overall quality and precision of the final product.

5 Must Know Facts For Your Next Test

1. HIPS is often used in conjunction with other materials like ABS to provide effective support structures that can be easily removed.
2. Due to its high impact resistance, HIPS can also be used in applications requiring durability, such as prototyping and functional testing.
3. When HIPS is dissolved in limonene, it leaves behind a clean finish on the main printed part, enhancing its aesthetics and dimensional accuracy.
4. HIPS can be printed at relatively low temperatures compared to other plastics, making it easier to work with in various 3D printers.
5. The use of HIPS as a support material reduces the risk of warping and improves layer adhesion in complex prints.

Review Questions

• How does HIPS contribute to the effectiveness of support structures in 3D printing?
  • HIPS enhances the effectiveness of support structures by providing strength and impact resistance necessary for supporting complex geometries during the printing process. Its ability to be easily dissolved in limonene allows for a clean removal of supports without damaging the main print. This makes HIPS particularly useful in FDM processes where precise detail and quality are required in the final product.
• Compare HIPS with another common support material used in 3D printing. What are the advantages of using HIPS over this material?
  • When comparing HIPS with PVA (Polyvinyl Alcohol), a common water-soluble support material, HIPS offers advantages such as greater impact resistance and ease of use with FDM printers that may not handle water-soluble materials well. While PVA requires specific conditions for optimal performance, HIPS can be processed at lower temperatures and does not need specialized equipment for its dissolution. This makes HIPS a more versatile option for many users.
• Evaluate how the unique properties of HIPS impact design decisions when creating models for 3D printing.
  • The unique properties of HIPS influence design decisions significantly by allowing designers to create more intricate models that incorporate overhangs and complex geometries without worrying about support failures. Knowing that HIPS can provide strong temporary structures that are easy to remove gives designers more freedom to innovate. Additionally, since HIPS can improve surface finish and dimensional accuracy after support removal, it leads to higher-quality end products that meet stringent requirements in both aesthetic and functional applications.

Related terms

Limonene: A solvent derived from citrus fruits used to dissolve HIPS and remove support structures from 3D printed parts.

Support Material: A secondary material used during the 3D printing process to support overhangs and complex geometries that cannot be printed without additional structural help.

FDM: Fused Deposition Modeling, a popular 3D printing technology that uses melted thermoplastic filaments to build parts layer by layer.