Pendahuluan
Bahan dan Proses
Pemilihan Bahan dan Proses
TME 13031- 2 SKS
Dr. Eng. Rakhmad Arief Siregar 0811648515
Bahan-bahan dalam Mesin Mobil
Komponen-komponen dalam produk
•
Beberapa produk merupakan satu komponen (paku, baut, garpu, gantungan baju, dll.)
•
Beberapa produk merupakan rakitan dari banyak komponen (bolpoin, mobil, mesin cuci, dll.)
•
Semua komponen dimanufaktur.
Sejarah Manufaktur (hingga 1700)
Sejarah Manufaktur (1700-1960)
Sejarah Manufaktur (1960-2000s)
Pemilihan bahan untuk Paper Clips
• Pertanyaan untuk dipertimbangkan:
• Sifat material apa yang dibutuhkan?
• Proses manufaktur apa yang dibutuhkan?
• Apakah bahan dan strategi pemrosesan
berubah jika kuantitas yang diinginkan
adalah 10.000 vs. 1 juta per hari?
Pembuatan lampu
• Proses untuk membuat bola lampu
Produk
• Proses Perancangan
Produk
Re-Design Produk
Manufacturing Characteristics of Alloys
Baseball Bat Cross-sections
Figure I.6 Cross-sections of baseball bats made of aluminum (top portion) and composite material (bottom
portion).
Manufacturing Processes: Casting
Figure I.7a Schematic illustration of various casting processes
Manufacturing Processes: Forming and Shaping
Figure I.7b Schematic illustration of various bulk deformation processes
Extrusion
Manufacturing Processes: Forming and Shaping
Figure I.7c Schematic illustration of various sheet metal forming processes
Manufacturing Processes: Forming and Shaping
Figure I.7d Schematic illustration of various polymer processing methods
Manufacturing Processes: Machining
Figure 1.7e Schematic illustrations of various machining and finishing processes.
Manufacturing Processes: Joining
Figure I.7f Schematic illustration of various joining processes
Laser Cutting
Figure I.8 Cutting sheet metal with a laser beam. Source: Courtesy of Rofin-Sinar, Inc. and Manufacturing Engineering Magazine, Society of Manufacturing Engineers
Hip Replacement
Figure 1.9 Components of a total hip replacement.
Source: Courtesy of Zimmer, Inc.
Manufacturing of Hip Replacement
Figure 1.10 (a) Manufacturing steps in the production of a roll-formed and m
achined total hip replacement stem; (b) Manufacturing steps in the production of a forged stem. Hip stems can also be produced by investment casting, metal injection molding, insert injection molding, and assorted other processes. Source: Courtesy of Zimmer, Inc.
Komponen Mikroskopik
Figure I.11 (a) Microscopic gears with dust mite. Source: Courtesy Sandia National Laboratory; (b) A movable micromirror component of a light sensor.
Source: Courtesy of Richard Mueller, University of California at Berkeley.
Pengelasan otomatis
• Pembuatan mobil
Aplikasi CAD/CAM untuk membuat cetakan sunglasses
Source: Courtesy of Mastercam/CNC Software, Inc.
