3D Printer by the help of wooden and steel.pptx

Certainly! Here's a comprehensive overview:

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**The Evolution of 3D Printing: A Revolutionary Technological Journey**

*Introduction*

In the realm of manufacturing and prototyping, 3D printing has emerged as a transformative technology, revolutionizing traditional production methods and democratizing access to fabrication tools. Originating from humble beginnings as a niche concept, 3D printing, also known as additive manufacturing, has evolved into a multifaceted discipline with applications spanning various industries, from aerospace and automotive to healthcare and consumer goods. This comprehensive exploration delves into the intricacies of 3D printing technology, its historical development, current capabilities, future prospects, and societal implications.

*Historical Overview*

The roots of 3D printing can be traced back to the 1980s when Chuck Hull, co-founder of 3D Systems Corporation, invented stereolithography, a process utilizing ultraviolet lasers to solidify layers of photopolymer resin to create three-dimensional objects. This groundbreaking innovation laid the foundation for subsequent additive manufacturing techniques, including fused deposition modeling (FDM), selective laser sintering (SLS), and direct metal laser sintering (DMLS).

*Technical Principles*

At its core, 3D printing operates on the principle of layer-by-layer deposition, where successive layers of material are deposited or fused together based on a digital model or blueprint. FDM printers, the most common type, extrude thermoplastic filaments through a heated nozzle, precisely depositing material to form the desired object. SLS printers utilize a laser to sinter powdered materials, such as nylon or metal, into solid structures, while DMLS employs a similar approach with metal powders, achieving high levels of detail and complexity.

*Applications*

The versatility of 3D printing has led to its widespread adoption across diverse sectors. In aerospace, companies utilize additive manufacturing to produce lightweight components with intricate geometries, reducing fuel consumption and enhancing performance. Automotive manufacturers leverage 3D printing for rapid prototyping, custom tooling, and even end-use parts, streamlining production processes and enabling rapid iteration. In healthcare, medical professionals employ 3D printing to fabricate patient-specific implants, prosthetics, and surgical guides, revolutionizing personalized medicine and enhancing patient outcomes.

*Challenges and Limitations*

Despite its transformative potential, 3D printing faces several challenges and limitations that hinder its widespread adoption and scalability. Material limitations, including restricted material choices and suboptimal mechanical properties, constrain the applicability of additive manufacturing in certain industries. Moreover, challenges related to quality control, process repeatability, and post-processing requirements pose significant hurdles, particularly in se

1. Analysis of Wooden 3-D Printer with FDM Technology Presented by Abhishek Raj (2016139) Raj Patel (2016126) Jaiyashdeep Shami (2016088) Himanshu (2016117) 1 Under the Supervision of Dr. Simanchal Kar Department of Mechanical Engineering National Institute of Technology Silchar

2. 2 INTRODUCTION (What?, Why? and How?)

3. 3 3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by layering material one thin cross-section at a time, following a digital design. It can utilize various materials, including plastics, metals, ceramics, and even organic substances, to build intricate and customized structures. 3D printers can produce a wide range of items, from prototypes and spare parts to medical implants and artistic creations. The technology is highly versatile, enabling rapid prototyping and small-scale production, reducing waste and production costs. It is widely used in industries such as aerospace, healthcare, automotive, and consumer goods. INTRODUCTION( What? ) Fig 1 : Application of 3 D Printer

4. 3D printing can significantly reduce lead times in product development and manufacturing processes. It allows for complex and geometrically intricate designs that would be difficult or impossible to achieve through traditional manufacturing methods. As the technology advances, it holds the potential to revolutionize manufacturing, making it more accessible and sustainable. 4 INTRODUCTION( What? ) Fig 2 : Application of 3 D Printer

5. 6 INTRODUCTION ( Why we Use? ) Rapid Prototyping: Quickly develop and test product prototypes Customization : Tailor products to individual needs and preferences. Complex Geometry: Create intricate and unconventional designs. Low Volume Production: Efficient for small-batch and custom production. Reduced Material Waste :Minimize waste in the manufacturing process. Architectural Models: Build detailed models for design visualization. Sustainability: Reduces material waste and energy consumption, contributing to eco-friendly manufacturing practices. Fig 3 : Set of 3 D Printer

6. 6 Wood Powder Use in 3 D Printing Finely milled wood having particles similar in grain is referred to as wood powder . In practice, a more precise definition of wood powder is wood particles passing through a 850 μm screen size (US standard mesh size of 20) . Many researchers have gone beyond these definitions and classified biomass and other particles more concisely. Wood is one of many lignocellulosic materials. It describes particle size classification in a generic sense, which includes wood and lignocellulosic materials. Researchers have used different types of binding agents including urea formaldehyde (UF), gypsum, methyl cellulose, polyvinyl alcohol (PVA), polyactic acid (PLA), sodium silicate and cement for printing the object. Fig 4 . Particle size classification in a generic sense based on previous researchers and used wood powder size range in 3D printing.

7. 7 Description and Methodology Fig 6: Structural Analysis of Conventional 3-D Printer a) With Fixed Support b) With Force Applied and Fixed Support Fig 5 : 3-D Model of 3-D Printer

8. 8 Description and Methodology (Contd.) Fig 5 : Total Deformation of Conventional 3-D Printer a) With 0.65 Minute b) With time up to 1 Minute

9. 9 Our Progress Till Now Fig 6 : Analyzing the Working of 3-D Printer

10. 10 Thank you