pendahuluan bahan dan proses

PendahuluanBahan 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 satukomponen (paku, baut, garpu, gantungan baju, dll.)

• Beberapa produk merupakanrakitan 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 pemrosesanberubah jika kuantitas yang diinginkanadalah 10.000 vs. 1 juta per hari?

Pembuatan lampu

• Proses untuk membuat bola lampu

Produk

• Proses PerancanganProduk

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 machined 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 membuatcetakan sunglasses

Source: Courtesy of Mastercam/CNC Software, Inc.

Hourly Compensation for Production Workers