Ditemukan 11697 dokumen yang sesuai dengan query
Evans, Brian
"This book takes you beyond how to build a 3D printer, to calibrating, customizing, and creating amazing models, including 3D printed text, a warship model, a robot platform, windup toys, and arcade-inspired alien invaders. You'll learn about the different types of personal 3D printers and how they work, from the MakerBot to the RepRap printers like the Huxley and Mendel, as well as the whiteAnt CNC featured in the Apress book Printing in Plastic."
New York: Springer, 2012
e20425560
eBooks Universitas Indonesia Library
Reihan Putra
"
3D printer merupakan sumber daya yang terus berkembang dan bertambah penggunanya, baik digunakan dari konsumer kecil hingga industrial. Penggunaan
3D printer pada umumnya masih menggunakan cara konvensional dimana pengguna harus mengoperasikan alat ditempat secara langsung. Penelitian ini bertujuan untuk merancang bangun
Remote 3D printer sehingga
3D Printer bisa diakses secara
wireless dan melakukan analisis pada skenario
indoor yaitu 6 skenario dengan jenis penghalang yang berbeda-beda untuk mendapatkan kondisi optimal dari perangkat agar bisa bekerja secara maksimal.
Raspberry pi bekerja sebagai
server antara
3D printer dengan
user sehingga
user dapat memonitor dan mengendalikan
3D printer dari perangkat lain secara
web-based. Berdasarkan pengujian didapat performansi sistem bekerja dengan optimum pada skenario LoS dengan nilai RSSI -65 dBm dan nilai
throughput 1.4 x 10
7 Bits/s untuk sistem
monitoring.
3D printer is a growing resources that number of user's keep increasing. Both are used from small to industrial consumers. The use of 3D printer's in general is still using conventional methods where the user have to operate the printer directly. This study aims to design remote web-based 3D Printer so it can be operated wirelessly, then analyze the communication performance of Remote 3D printer in indoor scenario which varied by the kind of barrier used into 6 scenarios to obtain optimal conditions of the device in order to work optimally. Raspberry pi works as a server between 3D printer's and user's so that user's can monitor and control 3D printer's from other device's on a web-based basis. Based on the testing, it is found that the system performance works with the optimum in the LoS scenario with a RSSI value of -65 dBm and a throughput value of 1.4 x 107 Bits / s for the monitoring system."
Depok: Fakultas Teknik Universitas Indonesia, 2019
S-Pdf
UI - Skripsi Membership Universitas Indonesia Library
Kentaro Alif Tanido
"3D Printing adalah metode manufaktur aditif yang menciptakan objek 3D dari model digital. Objek dibuat secara layer-by-layer dengan material seperti plastik, logam, atau bahan organik pada sebuah bed printer. Untuk objek yang lebih besar dari ukuran bed printer, mereka dibagi menjadi beberapa bagian dan disambung menggunakan metode interlocking. Penelitian ini menguji empat jenis balok (U beam, I beam, bar beam, dan hollow beam) yang terbuat dari bahan High Strength Low Alloy (HSLA) dengan tiga jenis pembebanan (lentur, aksial, dan puntir). Mekanisme interlocking menggunakan pengunci male-to-female dengan variasi panjang pengunci male. Analisis tegangan dilakukan menggunakan perangkat lunak Autodesk Inventor. Hasil penelitian menunjukkan mekanisme terbaik: U beam - panjang male locker 10 cm dengan posisi pengencang 5 cm dari pangkal; bar beam dan I beam model 1 - panjang male locker 10 cm dengan posisi pengencang 1,67 cm dari pangkal; H model 2 - panjang male locker 20 cm dengan posisi pengencang 13,33 cm dari pangkal; dan hollow beam - panjang male locker 5 cm dengan posisi pengencang 1,67 cm dari pangkal. Panjang dan posisi ini menghasilkan faktor keamanan terbesar, sehingga cocok untuk aplikasi dengan beban tersebut.
3D Printing is an additive manufacturing method that creates 3D objects from a digital model. Objects are built layer-by-layer using materials like plastic, metal, or organic matter on a printer bed. For objects larger than the printer bed, they are divided into sections and joined using interlocking methods. This research tested four types of beams (U beam, H beam, bar beam, and hollow beam) made from High Strength Low Alloy (HSLA) material with three types of loading (bending, axial, and torsion). The interlocking mechanism used male-to-female locking with variations in the male locker length. Stress analysis was conducted using Autodesk Inventor software. Results showed the best mechanisms: U beam - male locker length of 10 cm with the fastener position 5 cm from the base; bar beam and H beam model 1 - male locker length of 10 cm with the fastener position 1.67 cm from the base; H beam model 2 - male locker length of 20 cm with the fastener position 13.33 cm from the base; and hollow beam - male locker length of 5 cm with the fastener position 1.67 cm from the base. These lengths and positions yielded the largest safety factors, making them suitable for applications with those loads."
Depok: Fakultas Teknik Universitas Indonesia, 2024
S-pdf
UI - Skripsi Membership Universitas Indonesia Library
Yosua Tresno Surojo
"Pembuatan objek tiga dimensi menggunakan 3D printer membutuhkan suatu mikrokontroler yang dapat bekerja dengan optimal untuk mengatur pergerakan peleleh filamen agar objek yang dibentuk memiliki kualitas terbaik. Proses pembentukan suatu objek sering kali membutuhkan waktu berjam-jam sehingga jika terjadi pemutusan listrik secara mendadak maka 3D printer harus melakukan pengulangan proses pembentukan objek dari awal. Peleleh filamen juga perlu dijaga agar suhu peleleh selalu terjaga di nilai yang sudah ditentukan sesuai karakteristik filamen yang digunakan tetapi seringkali suhu peleleh filamen tidak terjaga dengan baik. Selain itu, pengukuran kedataran heating bed 3D sprinter yang masih menggunakan waterpas memiliki akurasi pengukuran yang tidak terlalu bagus. Oleh karena itu, dibutuhkan adanya fitur auto continue printing berdasarkan nomor line command terakhir yang dijalankan oleh 3D printer, hot end PID tuning untuk mencari konstanta PID optimal dan auto bed leveling. Ketiga fitur diatas berbasis mikrokontroler Arduino Mega 2560 dipadu dengan single board computer Raspberry Pi 3 menggunakan bahasa pemrograman C++.
Creating a three dimensional object using 3D printer basically need a microcontroller which could work optimal to control the movement of hot end to build a 3D object with best quality. Object creation process usually took hours, furthermore if there is sudden electricity supply cut, 3D printer must start the process from zero again. Hot end temperature need to be controlled at setpoint value based on filament characteristic that used altough sometimes hot end temperature did not controlled carefully indicate from temperature deviation from set point around 20-30 Celcius degree. Following that, level measurement on 3D printer heating bed which still use waterpass has small measurement accuracy. 3D printer need to be add some features such as auto continue printing based on latest line command that run by 3D printer, hot end PID tuning to get optimum PID constant, and auto bed levelling. All of that features are based on microcontroller Arduino Mega 2560 and Raspberry Pi 3 single board computer using C++ and programming language."
Depok: Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2016
S65711
UI - Skripsi Membership Universitas Indonesia Library
Diegel, Olaf
"This book provides a wealth of practical guidance on how to design parts to gain the maximum benefit from what additive manufacturing (AM) can offer. It begins by describing the main AM technologies and their respective advantages and disadvantages. It then examines strategic considerations in the context of designing for additive manufacturing (DfAM), such as designing to avoid anisotropy, designing to minimize print time, and post-processing, before discussing the economics of AM.
The following chapters dive deeper into computational tools for design analysis and the optimization of AM parts, part consolidation, and tooling applications. They are followed by an in-depth chapter on designing for polymer AM and applicable design guidelines, and a chapter on designing for metal AM and its corresponding design guidelines. These chapters also address health and safety, certification and quality aspects. A dedicated chapter covers the multiple post-processing methods for AM, offering the reader practical guidance on how to get their parts from the AM machine into a shape that is ready to use. The books final chapter outlines future applications of AM. "
Singapore: Springer Nature, 2020
e20505492
eBooks Universitas Indonesia Library
"3D imaging, analysis and applications brings together core topics, both in terms of well-established fundamental techniques and the most promising recent techniques in the exciting field of 3D imaging and analysis.
Composed of three sections, the first examines 3D imaging and shape representation, the second, 3D shape analysis and processing, and the last section covers 3D imaging applications. "
London: Springer, 2012
e20406290
eBooks Universitas Indonesia Library
Albar Abshar Muhamad
"Latar Belakang: Model cetakan gigi memiliki peranan penting dalam bidang prostodonsia untuk menentukan diagnosis dan rencana perawatan. Model yang saat ini sering digunakan adalah model konvensional. Model tersebut mempunyai beberapa kekurangan yaitu kemungkinan hilang dan rusak, membutuhkan tempat penyimpanan dan menyulitkan komunikasi dengan laboratorium. Perkembangan teknologi khususnya CAD/CAM diharapkan mampu mengatasi kekurangan tersebut dengan penggunaan intraoral scanner (IOS). IOS mampu menghasilkan model digital dengan cara pemindaian secara langsung di dalam mulut dan menghasilkan file dengan format standard tesselation language (STL). File ini kemudian dapat dicetak menggunakan 3D printer dengan teknik stereolithography (STL) menjadi model 3D printing. Tujuan: Untuk menganalisis perbedaan akurasi antara pengukuran langsung pada pasien, model konvensional, digital, dan 3D printing kasus kelas III Kennedy. Metode: Penelitian observasi analitik dengan desain studi potong lintang. Total sampel sebanyak 9. Dilakukan pengukuran masing-masing variabel sebanyak 3 kali kemudian diambil nilai reratanya. Pengukuran langsung pada pasien dijadikan kontrol dan dibandingkan dengan pengukuran pada model konvensional yang dicetak dengan PVS, model digital, dan 3D printing. Pengukuran dilakukan pada lebar mesiodistal, tinggi servikooklusal/insisal gigi dan lebar span edentulus. Dilakukan pengukuran langsung pada pasien, model konvensional dan 3D printing dengan digital calliper sedangkan model digital menggunakan piranti lunak Trios. Analisis data dilakukan dengan uji statistik Saphiro Wilk dan uji Kruskal Wallis. Hasil: Tidak terdapat perbedaan bermakna (p>0.05) pada seluruh pengukuran dibandingkan dengan kontrol dan juga antara variabel yang berbeda. Kesimpulan: Penggunaan IOS dalam menghasilkan model digital yang kemudian dicetak menggunakan 3D printer dapat menjadi alternatif pembuatan model kerja dalam menentukan diagnosis dan perawatan pasien dalam bidang prostodonsia.
Background: Models play a crucial role in the field of prosthodontics for determining diagnosis and treatment plans. The conventional model is frequently used, but it has some drawbacks, such as the possibility of loss and damage, the need for storage space, and difficulties in communication with laboratories. Technological advancements, especially in CAD CAM, aim to address these limitations by utilizing intraoral scanners (IOS). IOS can produce digital models by scanning directly inside the mouth and generating files in standard tessellation language (STL) format. These files can then be printed with a 3D printer using stereolithography (STL) techniques to create a 3D printed model. Objective: To determine the accuracy differences between direct measurements on patients, conventional models, digital models, and 3D printed models in Class III Kennedy cases. Method: An analytical observational study with a cross-sectional design was conducted. A total of 9 samples were measured three times each and the mean value will be anyalzed. Direct measurements on patients were used as controls and compared with conventional models printed with PVS, digital models, and 3D printing. Measurements included mesiodistal width, cervico-occlusal/ incisal height of teeth, and edentulous span width. Direct measurements on patients, conventional models, and 3D printing used digital calipers, while digital models used Trios software. Statistical tests, including the Shapiro-Wilk test for data normality and the Kruskal-Wallis test for data analysis, were performed in this study. Results: There were no significant differences (p > 0.05) in all measurements compared to the control and among different variables. Conclusion: The use of IOS to produce digital models, subsequently printed with a 3D printer, can be an alternative for model fabrication in determining diagnosis and patient treatment in prosthodontics."
Jakarta: Fakultas Kedokteran Gigi Universitas Indonesia, 2024
T-pdf
UI - Tesis Membership Universitas Indonesia Library
"This volume provides a comprehensive overview of current progress in the field by leading practitioners employing a variety of methods to model RNA 3D structures by homology, by fragment assembly, and by de novo energy and knowledge-based approaches."
Berlin: Springer-Verlag, 2012
e20417822
eBooks Universitas Indonesia Library
"Get "Up and running" with AutoCAD using Gindis’s combination of step-by-step instruction, examples, and insightful explanations. The emphasis from the beginning is on core concepts and practical application of AutoCAD in architecture, engineering and design. Equally useful in instructor-led classroom training, self-study, or as a professional reference, the book is written with the user in mind by a long-time AutoCAD professional and instructor based on what works in the industry and the classroom."
Waltham, MA: Academic Press, 2014
e20427785
eBooks Universitas Indonesia Library
"The book describes recent research results in the areas of modelling, creation, management and presentation of interactive 3D multimedia content. The book describes the current state of the art in the field and identifies the most important research and design issues. These are, database modelling of 3D content, security in 3D environments, describing interactivity of content, searching content, visualization of search results, modelling mixed reality content, and efficient creation of interactive 3D content. Each chapter is illustrated with example applications based on the proposed approach. The final chapter discusses some important ethical issues related to the widespread use of virtual environments in everyday life. "
London: Springer, 2012
e20407548
eBooks Universitas Indonesia Library