Optimization of 3D printing process parameters to improve mechanical properties of laminated composite sheets\

Project Title

Optimization of 3D printing process parameters to improve mechanical properties of laminated composite sheets\

Project Area of Specialization 3D/4D PrintingProject Summary

Additive manufacturing was developed initially as a technique for rapid prototyping, to visualize, test & authenticate a design in recent years AM Technique Fused Deposition Modeling (FDM) has developed to became rapid manufacturing Technique, Because of the ability to produce complex parts layer by layer in lesser production time as compared to conventional machining processes. FDM also offers the advantages of lowest cost because no tooling is required. despite of these advantages manufacturing various parts for end-use is still not very popular this is because parts made by FDM has not very good tensile strength and this is because of some processing parameter, which effect tensile strength. So, we have to sort out that parameters which affect the part quality depending on the application for which the part is manufactured careful selection of these process parameter should be done. 

After identifying significant parameters. Our aim is to enhance the tensile strength of laminated PLA-ABS composite made from FDM, which is one of the techniques of 3D printing. 

Project methodology:

• Design of experiment based on the significant parameters.

• Printing of ASTM D-638 standard specimens.

• Tensile testing on UTM.

• Analyzing and optimizing the result

 

Project Objectives

1. To sort out different parameters having effect on tensile strength of 3D printed parts and then optimizing them for better mechanical properties.

2. To enhance the tensile strength of the parts made through FDM.

3. Bi-layer (composite of ABS & PLA) 3D printing for improved mechanical properties.

The 3D printed parts are not compatible for daily use due to its low mechanical properties. So, we aim to enhance tensile strength of 3D printed parts.

We will change different parameters to achieve enhanced tensile strength. Also, we will be using bi-layer (composites) printing to get desired properties.

Project Implementation Method

We will figure out significant parameters and design our experiment using Taguchi L34 method, The technique of defining and investigating all possible conditions in an experiment involving multiple factors is known as the design of experiments (DOE). In the literature, this technique is also referred to as factorial design. Standardized DOE (For designing experiments, Taguchi utilized a special set of tables, called orthogonal arrays (OAs), which represent the smallest fractional factorials and are used for most common experiment designs

We had already designed our experiment according to Taguchi L34 method where we having 3 levels and 4 parameters. After this we had already printed our specimens according to standardized table. In the next station we well do tensile testing which is about to start and then we would optimize our result.

We can implement our idea in terms of giving suggestions to 3D printing industry where they can implement and manufacture household stuffs and other things having good tensile strength.

Benefits of the Project

3D printing has widespread applications, some of which are listed below.

Bio medical uses:

It is used in tissue fabrication, organ fabrication, development of prosthetics, implants etc. These parts cannot be fabricated through traditional manufacturing. It can easily be fabricated by 3d printing because complex and small parts can be easily manufactured through 3Dprinting.

Part complexity:

Complex parts can be easily manufactured by 3d printing. Anything whose CAD diagram can be made, can be 3D printed. This option was not available in traditional manufacturing.

No wastage:

In contrast to traditional manufacturing which works on the principle of subtractive manufacturing and a lot of material is wastage, no material is wasted in 3D printing.

Commercial benefits:

With our optimized parameters, we can commercialize it for making household appliances, electronics related parts and other products.

Technical Details of Final Deliverable

Our final year project is almost research base therefore we will make some specimen on the optimized parameters and check, if we have achieved the desired result. Our technical detail of final deliverable is the optimized parameters for the enhanced tensile strength.

Final Deliverable of the Project Hardware SystemCore Industry ManufacturingOther IndustriesCore Technology 3D/4D PrintingOther TechnologiesSustainable Development Goals Decent Work and Economic Growth, Industry, Innovation and Infrastructure, Responsible Consumption and ProductionRequired Resources

Item Name	Type	No. of Units	Per Unit Cost (in Rs)	Total (in Rs)
			Total in (Rs)	28080
3D printed Material	Equipment	24	170	4080
Tensile testing	Equipment	24	1000	24000