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Fused deposition modeling (FDM) has brought great innovation for manufacturing because of its simple processing and forming rapidly, but the printing products created by this way are always found low-strength, deformed, cracked and so on. Aiming at these problems, there have been many researches on the...

Fused deposition (FDM) Is a typical rapid prototyping technology. In this paper, the 3D printer based on the principle of fused deposition molding produces warpage deformation during the printing model. By analyzing the root causes of warpage deformation during the 3D printing process of student engineering...

Fused deposition molding (FDM) technology is an important branch of rapid prototyping technology. It does not require a high working environment, the noise and the volume are also small, so it is very suitable for home, office and other occasions, and it has great prospects for development. The paper...

The design and development (DDR) research in this phase is aimed to design and develop as well as validating the mind mapping module based on metacognitive in teaching and learning History Islamic Law, Sixth Level Syari’ah, Brunei Darussalam. The Fuzzy Delphi Method (FDM) analysis requires expert analysis...

Entering the twenty-first century, Japan has developed an educational culture grounded in the harmonious integration of traditional values—such as practical learning, ethics, and character formation—with modern principles including liberal education, creativity, and democracy. Popular culture in Japan...

The overall design of the mechanical structure of the color 3D printer is put forward, and a new spliced print head structure is proposed. The utility model relates to a splicing type print head, which is composed of a print head which is loaded with different colors of silk material and a movable fixing...

This article comprehensively discusses the principles, processes, advantages and limitations of 3D printing technology. It provides an in-depth analysis of the types of materials used in 3D printing and their properties, including polymer materials, metal materials, and inorganic non-metallic materials....

In this study, a three-hole wedge-shaped yaw meter is used to measure the mean flow characteristics of a circular whirling jet with a diameter of 60 mm. Three nozzles one for free jet and one for whirling jets at five and ten degrees are utilized in this experiment. The nozzles are all 3-D printed from...

Based on the current complex climate environment, this paper reviews and analyzes the application of artificial intelligence (AI) and 3D printing technology in energy efficient vehicles. It first introduces the current background of global warming caused by increasing carbon emissions, in which the production...

Many practical problems in modern finance can be cast into the framework of stochastic differential equations, so that numerical techniques from engineering can be adapted. The static 1D problem in financial engineering characterized by non-self-adjoint is examined in this paper using the Finite Element...

The accuracy of holes which are typical feature in various parts is an important requirement in 3D printing. In this paper, the influence of extrusion head temperature, layer thickness, line-width compensation, printing speed and other factors on the shrinkage of model with hole is researched in FDM...

The paper presents a fastening system of parts of small size and thickness of a vacuum table type. The proposed solution is intended to be used in the clamping and machining of this type of part mainly on the vertical machining center Young Tech YMC 1050, but also on other production systems. The virtual...

In this research, in order to optimize casting design of an automobile part (Housing), Computer Aided Engineering (CAE) was performed by using the simulation software (AnyCasting). The simulation results were analyzed and compared with the several casting designs. During the filling process, internal...

The research presents a data generation method for layer slice in FDM additive manufacturing, which solves the intersection between surface STL file and slicing plane and gets the slicing counter surface data. In the research it designs the layer slicing algorithm and tests it in a FDM machine to fabricate...

In order to achieve both the processes advantages of fused deposition modeling (FDM) and mechanical cutting, a novel miniaturized machine tool with combined processing capabilities is designed and developed. The miniaturized machine tool is designed using the gantry structure and its overall size is...

This paper presented the process of producing a face shield and the user experience of face shield wearer. Traced from Wuhan, China a severe acute respiratory syndrome coronavirus 2 known as COVID-19 has spread to the whole world and being declared by World Health Organization (WHO) as global pandemic...

According to the forming characteristics of FDM process in the Additive manufacturing, an algorithm for automatic generation of thin plate structure support based on the slice projection method is proposed. For the closed surface model (such as STL model, NURBS model), the algorithm uses slice projection...

3D printing technology is one of the key technologies to support the rise of the 4th Industrial Revolution. The use of FDM 3D printers is growing fast since the Open-sourced RepRap FDM 3D printer was introduced. Unlike European countries that already introduce this technology to children (early-age students),...

In recent years, 3D printing technology has been used in all walks of life because of the rapid development of 3D printing technology. Due to the pursuit of personalization, color 3D printing technology has developed rapidly since its appearance. This paper first summarizes the research development and...

Acute respiratory disease later known as Covid-19 is pandemic origin from Wuhan, China. Detecting in 2019, this disease spread rapidly to entire world within few months. The ability to infect to the victim with aerosol spread has force to the medical personnel to wear a personal protective equipment...

From the perspective of FDM 3D printer, the possibility of its application in the field of children's innovation education was discussed. Methods: Combined with the education theory of children's innovation, the characteristic mode and method of children's innovation education were discussed, and combined...

With the development of the seismic numerical modeling theory, a group of scholars do lots of seismic forward modeling studies. In this paper, wave equation finite difference method(FDM)[1] was used to build models of submarine fault and slide and forward seismic modeling. By studying character and imaging...

Diabetes Mellitus (DM) is a chronic condition of carbohydrate metabolism disorders caused by relative or absolute insulin deficiency. DM is a common disease not only in humans, but also pet animals such as cats. The most common type of diabetes in cats, also known as Feline Diabetes Mellitus (FDM), is...

3D printing is widely used at present. In terms of technology is gradually mature, but there are still many problems and shortcomings of 3D printing, especially in the design of printer nozzle. In the 3D printer smart devices continue to affect the market conditions, all kinds of problems appearing in...

Additive manufacturing (AM) is a layered manufacturing technique. It can produce parts/printing layer by layer. When the deposition process involves a number of process parameters such as temperature gradients, build orientation, raster width, raster angle, layer thickness, and disposition pattern, etc....

This paper presents numerical analyses for the stability of a pillar between two caverns in an underground oil storage project. The geological condition of this pillar reveals two major lineaments (intrusive bodies) intersecting each other between two caverns, which results in dislocation of dykes and...

Grasping of fragile objects, such agricultural products, is a currently active area of research which is advancing continuously throughout the years. Although proven versatility has been achieved through conventional robotic gripper, the recent favourable option is to utilized soft robotic grippers to...

In Malaysia, the practice of solah (prayer) is introduced to preschoolers as young as five to six years old, in accordance with the National Standard Pre- school Curriculum 2017 (KSPK) under the Spiritual Pillar: Attitude and Values, which focuses on fostering the basics of worship. While studies have...

Fused Deposition Modeling (FDM) is one of the most widely used additive manufacturing processes for fabricating prototypes and functional parts in common engineering plastics. From the view of the control structure, 3D printer based on the FDM technology is divided into two layers: the host computer...

The difficulty that is experienced by most Chinese language teachers is to determine which Chinese language textbooks are suitable to be applied to Indonesian learners. In Indonesia, most of the Chinese books, including the Chinese Semantic textbooks, are still in full Chinese or English. Learning Chinese...

As the use of 3D printing becomes more popular, the need to print in complex gravity environments or even low gravity environments is emerging. In order to meet these anti-gravity 3D printing needs, many individuals or organizations have proposed different solutions. This paper describes three mature...

This paper discusses initial findings from an ongoing research project that designing a tool to improve the quality and variety of stitch-resist dyed motifs in Indonesia. Stitch-resist dyeing technique has been used to produce Indonesian traditional cloths, such as Jumputan cloth, Tritik cloth, Pelangi...

In Malaysia, the practice of prayer (salah) is introduced at the pre-school or TADIKA level as early as five years old. Studies have shown the benefits of parental involvement in children’s education, but obstacles such as time constraints and lack of knowledge on how to engage in learning activities...

This study aims to obtain optimal porosity results from bone scaffolding printing using FDM type 3D printing machines using PLA material. In this study, the bone scaffold was modeled using Solid Works. This research’s main contribution is to obtain optimal settings in the molding of bone scaffolding...

Fused Deposition Modeling (FDM) is a 3D printing technique used to print thermoplastic materials layer by layer. It involves generating support structures under the suspended part. The support structure can prevent the suspended part from collapsing due to gravity. The support structure can be artificially...

3D printing technology has developed for decades in our country, desktop 3D printers are gradually used popularly. Focused on the problems of large friction and instability of the wire feeder in the desktop 3D printer of FDM technology. The mechanisms of the internal and external wire feeding are studied...

With their technology getting mature, LED are energy efficient and have almost replaced the traditional light source. Therefore, in practice, there is a need to apply LED in an evaluation index for the interior lighting design. In this study, the fuzzy Delphi method (FDM), Analytic Hierarchy Process...

Hydropower remained one of the most promising renewable energy sources, particularly for rural and off-grid communities. Pico-hydro systems, typically with a capacity of less than 5 kW, offer an attractive solution for areas with limited access to electricity, with cross-flow turbines being widely applied...

Technological advances in the medical sector, especially in surgical training, have developed rapidly with the existence of increasingly realistic and effective training devices, such as suture pad training kits. This research aims to improve the quality and accuracy of these devices through reverse...

The part fabricated by fused deposition modeling (FDM) process is influenced by fabrication parameters viz., layer resolution, processing quality, fill mode and the processing material on surface roughness. In this work, effects of fabrication parameters are investigated experimentally. The test specimen...

Fused Deposition Modelling (FDM) 3D printing technology with PETG material has the potential to produce a strong face nose guard. However, mold quality is greatly affected by process parameters such as nozzle temperature, layer height, and printing speed. This study aims to analyze the effect of the...

Microstructures of AISI1050 disk after quenching process (cooling from 880°C to 150°C by 6% AQ251 quenchant) were simulated by DEFORM-HT software, and the corresponding mechanical properties were calculated by the finite difference method (FDM). Above all, thermo-physical parameters and diagrams of CCT...

Businesses are steered by consumer demands, and the current industry is shifting towards a paradigm of customisation with an increase in need for contemporary jewellery made with alternative or mixed materials. This shift pushes jewellery businesses to reconsider their design and manufacturing processes...

3D Printing Technology, particularly Fused Deposition Modeling (FDM), has experienced rapid development. However, the layer-by-layer stacking process often hinders the dimensional accuracy of the produced objects. This research aims to improve the dimensional accuracy of Spur Gears (ISO - Spur gear 1.75M...

Beauveria bassiana, an entomopathogenic fungus, is a high producer of beauvericin (BEA). BEA is a proven and useful compound as a mycoinsecticide for plant pest control and a potential antifungal and anticancer agent for human. BEA produced by Beauveria bassiana fungi, mainly found as an intracellular...

3D printing technology based on the extrusion material method is rapid manufacturing and has complex accuracy, which supports industrial progress. The selection of printing material (filament) is essential in obtaining mechanical, chemical and thermal properties. In this study, the use of ABS and PLA...

The selection of an ideal living environment is a complex process that involves multiple attributes, which makes the decision of an appropriate living environment difficult. Hence, a suitable assessment model is needed to solve the complexity. The multiple attribute decision-making methods-Fuzzy Delphi...

Recent advancements in multi-axis printing and composite materials have shown promise in addressing these issues, but systematic studies on the synergistic effects of material enhancement and chunking optimization remain scarce. Therefore, this research aims to bridge this gap by integrating high-performance...

The optimal management of hemodynamic disorders among critically ill patients requires an accurate assessment of hemodynamic status. Global End Diastolic Index (GEDI) is taken for a more reliable indicator of preload in critically ill patients than central venous pressure and doctors tend to arrange...

In recent years, with the rapid development of additive manufacturing technology, the design and manufacture of self-supporting structures have entered a brand-new stage, which significantly reduces the dependence on support materials through the layer-by-layer molding characteristics, opening up a new...