SLS(Experimental setup and working process)
SOME 3D MODELS
INPUT PARAMETERS
COMMONLY USED POWDER MATERIALS
ADVANTAGES
LIMITATIONS
APPLICTIONS
CASE STUDY I
CASE STUDY II
CONCLUSION
Additive Manufacturing (2.008x Lecture Slides)A. John Hart
Slides accompanying 2.008x* video module on Additive Manufacturing, Prof. John Hart, MIT, 2016.
*Fundamentals of Manufacturing Processes on edX: https://www.edx.org/course/fundamentals-manufacturing-processes-mitx-2-008x
Additive Manufacturing (2.008x Lecture Slides)A. John Hart
Slides accompanying 2.008x* video module on Additive Manufacturing, Prof. John Hart, MIT, 2016.
*Fundamentals of Manufacturing Processes on edX: https://www.edx.org/course/fundamentals-manufacturing-processes-mitx-2-008x
FDM Process introduction (A part of Additive Manufacturing Technique OR Commonly Known as 3D Printing). 3D printing is an evolved manufacturing technique; it is comparatively better than conventional substractive manufacturing. There is minimum wastage of material because material is added only at those locations where it is required. To make 3D model you need a 3D printer and feeding material and obviously power source. Any thermoplastic material whose melting temperature lies in the range of 150-240 deg. C can be used in FDM based 3D printing.
this short ppt gives you a rough idea about the additive manufacturing process of stereolithography. This process is apart of 3d printing technologies around us. Also included is link to a video that will help you further.
This power point presentation gives the introduction about DMLS process (Direct Metal Laser sintering) and Direct Metal 20 (DM20) material. It also illustrates DMLS process and applications of DMLS.
Stereolithography (SLA) is the oldest 3D Printing technology used to manufactureaesthetically beautiful and proof of concept prototypes with smooth surface finish. We use photopolymer resins to manufacture the parts in SLA technology. The parts find applications in Automotive interiors, Industrial goods, Medical Devices industries etc.
FDM Process introduction (A part of Additive Manufacturing Technique OR Commonly Known as 3D Printing). 3D printing is an evolved manufacturing technique; it is comparatively better than conventional substractive manufacturing. There is minimum wastage of material because material is added only at those locations where it is required. To make 3D model you need a 3D printer and feeding material and obviously power source. Any thermoplastic material whose melting temperature lies in the range of 150-240 deg. C can be used in FDM based 3D printing.
this short ppt gives you a rough idea about the additive manufacturing process of stereolithography. This process is apart of 3d printing technologies around us. Also included is link to a video that will help you further.
This power point presentation gives the introduction about DMLS process (Direct Metal Laser sintering) and Direct Metal 20 (DM20) material. It also illustrates DMLS process and applications of DMLS.
Stereolithography (SLA) is the oldest 3D Printing technology used to manufactureaesthetically beautiful and proof of concept prototypes with smooth surface finish. We use photopolymer resins to manufacture the parts in SLA technology. The parts find applications in Automotive interiors, Industrial goods, Medical Devices industries etc.
On July 10th Innovate UK and the KTN held a business innovation day to showcase 30 of the Innovate UK projects that are currently active in the area of Additive Manufacturing. The presentations and pitches made on the day are now available to download. Topic 3 focuses on Post Processing
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
COLLEGE BUS MANAGEMENT SYSTEM PROJECT REPORT.pdfKamal Acharya
The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
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Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Vaccine management system project report documentation..pdfKamal Acharya
The Division of Vaccine and Immunization is facing increasing difficulty monitoring vaccines and other commodities distribution once they have been distributed from the national stores. With the introduction of new vaccines, more challenges have been anticipated with this additions posing serious threat to the already over strained vaccine supply chain system in Kenya.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
2. CONTENTS
INTRODUCTION
SLS(Experimental setup and working process)
SOME 3D MODELS
INPUT PARAMETERS
COMMONLY USED POWDER MATERIALS
ADVANTAGES
LIMITATIONS
APPLICTIONS
CASE STUDY I
CASE STUDY II
CONCLUSION
3. INTRODUCTION
WHY RAPID PROTOTYPING NECESSARY?
To decrease development time.
To decrease costly mistakes.
Increasing number of variants of products.
Increasing product complexity.
Decreasing delivery time.
4. Advantages of RP
• Process is fast and accurate.
• Superior quality surface finish is obtained.
• No need to design jigs and fixtures.
• No need to mould or other tools.
• Minimal martial wastage.
5. Selective Laser Sintering (SLS)
• Manufacturing Technique
• It is patented in 1989.
• Made with Plastic/Elastomer Powder
• Sample built layer by layer.
• There is no milling steps required.
• File type ‘.stl’ used - structural triangle language
• Finished sample cools for 12-24 hrs. then pulled out of
Powder
11. Commonly used powder materials:
o Aluminum-Filled (PA12-AL)
o Polyamide(PA)
o Glass filled polyamide(PA-GF)
o Alumide.
o Impact-Resistant Nylon (Duraform EX)
o Nylon (Duraform PA)
o Glass-Filled Nylon (Duraform GF)
o Flame Retardant Nylon (Duraform FR100)
o Carbon Fiber Filled Nylon (Windform XT)
o Rubber-Like (Duraform Flex Plastic)
12. ADVANTAGES:
It offers the key advantage of making functional parts in
essentially final materials.
It is an automated process.
The method has extended to provide direct fabrication of
metals and ceramic objects and tools.
SLS are, Fast, Economical, Durable
16. Case study I
• Case study I: cranial implant manufactured with selective laser sintering
process
Titanium is used to manufacture the cranial implants, but the
material and machining Methods are highly expensive and time
consuming titanium is relatively stiff compared to the Bone but
one of the disadvantage of this material is this lead to long -term
issues with fit and compart in the skull, more recently focus is
turned to plastic Polyether Ether Ketone (PEEK) Cranial implant.
18. Case study I
• By using selective laser sintering cranial implant prototype has
been created by a team of doctors Design engineers and experts
material testing group result of which
better fit
Less time taken in surgery
provide a grates comfort to the patient.
19. Case study II
• Case study II: LASER SINTERED INJECTION MOULDS, CASE STUDIES MADE IN BELGIUM
• Rapid manufacturing is a new trend in mould making. Several techniques
are used to shorten the production cycle of mould making. Main focus
for the presented research were Material Addition Processes (MAP) such
as Selective Laser Sintering (SLS). The cable support case has been
studied during several years. The moulds for this case are always based
on an inserted core and cavity geometry.
•
20. Case study II
fig :1 insert for the cable support
fig:2 cable support “product”
21. Case study II
• Cable support mould is very difficult to manufacture by other
method it is possible to make The a moulds with cavity, insert,
depth, complexity are no limitation of selective leaser sintering
Process smaller grain size of the powder brings a better accuracy
and surface roughness.
•
22. conclusion
Selective laser sintering provides exact representations of your
complex designs in just days. This means that without delay.
Using the physical prototype, you can detect errors early and
correct them before it's too late.
SLS is most flexible process ,hence it is used in a various industrial
application.