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Additive Manufacturing Processes
Additive manufacturing encompasses a range of methods to create three-dimensional objects by adding material layer by layer. Utilizing advances such as extrusion, vat photopolymerization, and powder bed fusion, various applications span from prototyping to medical devices and aerospace components. Each additive manufacturing method presents unique advantages and challenges, making informed material and process selection critical for successful outcomes.
Sections
Extrusion-based processes in additive manufacturing create 3D objects layer by layer using materials such as thermoplastics and composite filaments.
Vat photopolymerization is a 3D printing technology that utilizes light to cure resin layer by layer, enabling high precision and intricate designs.
Powder Bed Fusion (PBF) is an additive manufacturing process that uses lasers or electron beams to fuse or melt powder particles, creating functional and durable parts.
Material Jetting is a precise additive manufacturing process involving the deposition of tiny droplets of build materials, often creating high-resolution parts.
Learn important concepts in this section
Directed Energy Deposition (DED) is an additive manufacturing method that uses focused thermal energy to melt material, aiming at repairing or adding features to existing components.
Sheet Lamination is a 3D printing process that involves layering sheets of material, typically paper or metal foils, either by adhesive bonding or ultrasonic welding.
7.1 Laminated Object Manufacturing (LOM) / Ultrasonic Additive Manufacturing (UAM)
Laminated Object Manufacturing (LOM) and Ultrasonic Additive Manufacturing (UAM) are two additive manufacturing processes that build objects by layering materials, each featuring unique characteristics and applications.
This section provides a comparative summary of various Additive Manufacturing (AM) processes, highlighting their processes, materials, applications, and strengths and limitations.
Additive manufacturing (AM) has diverse applications across various industries, enabling the creation of complex and customized parts.
Additive manufacturing involves creating objects layer by layer from a digital model.
Different additive manufacturing processes have distinct materials and suitable applications.
Flexibility and customization in designs are primary advantages of additive manufacturing.
Additive Manufacturing
A process that creates 3D objects by adding material layer by layer from a digital model.
ExtrusionBased Processes
Methods like Fused Deposition Modeling (FDM) that involve melting thermoplastic filament to construct parts.
Stereolithography (SLA)
A vat photopolymerization process that uses a light source to cure liquid photopolymer resin into solid parts.
Powder Bed Fusion
A set of processes where lasers or electron beams fuse or melt powder particles in a bed to create solid structures.
Practice Exercises
Total Questions
3
Estimated Time
6 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting