The name 3D printing entails several technologies that create parts layer by layer. Every layer varies in how they form metal and plastic and has a different material selection. All Types of 3D Printing techniques use CAD designs to create these geometric shapes.
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The 3D application was restricted initially because certain thermoplastics were the only suitable materials for 3D printing. Remember, thermostats are among the most famous 3D printing materials today, and some other common choices in the industry include PVA and PLA.
3d printed parts are durable and cost-efficient. Let us dive right into the types of 3D printing.
Types of 3D Printing
1. Binder Jetting
Binder jetting is an easy 3D printing method that joins different parts using an industrial bond agent. The input is the primary material in binder jetting since it is the vital powder deposited by the printer.
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This process functions with materials like polymers, sand, and metal powders. Binder jetting is among the cheapest 3D printing options that produce huge volumes with a short turnaround time.
Binder jetting is applied in;
- Sand casting molds
- Metal parts
- Realistic models.
2. Material Jetting
The material jetting process is another common type of 3D printing. Here, 3D printers build every layer using a liquified material. One feature that makes material jetting unique is you can use various materials on a single object.
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This enables you to fabricate parts using textures and mixed colours, giving the end product a customized look. Photopolymer is the only suitable material for this printing technique since it offers the best surface finish.
The material jetting process is mainly applied in the following sectors;
- Design presentations
- Injection mold prototypes
- Aesthetic prototypes.
3. Vat Polymerization
Vat polymerization is one of the rare types of 3D Printing that cures photopolymer resins using a light source. The polymer resin is the only suitable material for this process, and you can find it in various forms and colors. The vat polymerization process creates an excellent finish that lets you create complex geometries.
This printing process is divided into the following categories;
- Digital light processing
- Masked stereolithography
Research is still ongoing to improve this technique’s versatility. Vat polymerization has a similar concept to other types of 3D printing. However, the use of a light source is the main difference. This printing technique is applied in;
- Medical parts
- Injection molds
- Dental fixtures
- Polymer prototypes.
4. Material Extrusion
Material extrusion is a famous industrial process that enables you to force materials near their melting points via a small opening, and 3D printing works using the same principle. The extrusion process mainly uses composite filaments and plastics.
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Materials are taken through a small nozzle during the process, heating them to their melting point. This process repeats itself severally until you complete the first part. Material extrusion is among the cheapest types of 3D printing and has decent accuracy.
This printing technique is applied in;
- Investment patterns
- Electronic housings.
3D printing technology is on the rise today due to its numerous advantages. This technology is available in different forms, and the above article has discussed some. Feel free to reach out to us for more information.