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l6b_mancam - 16.810 16.810 Engineering Design and Rapid...

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16.810 16.810 Engineering Design and Rapid Prototyping Engineering Design and Rapid Prototyping Instructor(s) Manufacturing - CAM January 25, 2007 Prof. Olivier de Weck Lecture 6b
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16.810 2 Outline ± Introduction to Manufacturing ± Parts Fabrication and Assembly ± Metrics: Quality, Rate, Cost, Flexibility ± Water Jet Cutting ± OMax Introduction ± Computer Aided (Assisted) Manufacturing ± Converting a drawing to CNC Routing Instructions
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16.810 3 Course Concept today
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16.810 4 Course Flow Diagram (2007) CAD Introduction FEM/Solid Mechanics Avionics Prototyping CAM Manufacturing Hand sketching Initial CAD design FEM analysis Optimization Revise CAD design Assembly Parts Fabrication Problem statement Final Review Test Learning/Review Deliverables (A) Requirements and Interface Document (B) Hand Sketch (D) Manufacturing and Test Report with Cost Estimate (C) Solidworks CAD Model, Performance Analysis Design Intro / Sketch Fabrication, Assembly, Testing (E) CDR Package + Guest Lectures
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16.810 5 Introduction to Manufacturing ± Manufacturing is the physical realization of the previously designed parts ± Metrics to assess the “performance” of mfg ± Quality ± does it meet specifications? ± Rate ± how many units can we produce per unit time? ± Cost ± What is the cost per unit? ± What is the investment cost in machinery & tooling? ± Flexibility ± what else can be make with our equipment? ± How long does it take to reconfigure the plant?
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16.810 6 Field System/product Beginning of Lifecycle -M iss ion - Requirements -Cons tra in ts Customer Stakeholder User Architect Designer System Engineer Conceive Design Implement “process information” “turn information to matter” SRR PDR CDR iterate iterate The Environment The Environment : technological, economic, political, social, nature The Enterprise The Enterprise The System The System creativity architecting trade studies modeling simulation experiments design techniques optimization (MDO) virtual real Manufacturing assembly integration choose create Life Cycle: Conceive, Design, Implement
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16.810 7 Simple Manufacturing Plant Raw Materials Energy Supplied Parts Labor Money Warehouse PF1 PFn QA1 QAn Parts Buffer Supplier Buffer Assembly Final Inspection Finished Goods PF = Parts Fabrication (focus of this lecture) QA = Quality Assurance Sales Scrap Emissions
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16.810 8 Raw Materials ± Material Selection ± Strength ± Density ± Cost ± ± Form ± Sheet ± Rods, . ..
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16.810 9 ± example: deck components ± Ribbed-bulkheads ± Approximate dimensions ± 250mm x 350mm x 30mm ± Wall thickness = 2.54mm ± Fundamental Parts Fabrication Techniques ± Machining – e.g. milling, laser and waterjet cutting . ..
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This note was uploaded on 11/08/2011 for the course AERO 16.810 taught by Professor Olivierdeweck during the Winter '07 term at MIT.

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l6b_mancam - 16.810 16.810 Engineering Design and Rapid...

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