Product design and CAD/CAM

Question 1

Manufacturing support systems

Answer 1

procedures and systems to manage production

Question 2

CAD/CAM

Answer 2

digital computer systems to accomplish certain functions in product
design and production

Question 3

CIM

Answer 3

includes all CAD/CAM and other business functions of the company

Question 4

Product design

Answer 4

– iterative process of creating new products that solve users
problems or addressing specific needs in a market

Question 5

Basic information collected during product design

Answer 5

Customer habits
 Behaviours
 Frustration
 Needs and wants

Question 6

Poor product design often contribute little to wealth of the company

Answer 6

 Product does not solve the problem efficiently
 Product causes additional problems instead
 Product is expensive or inaccessible

Question 7

Principles of a good design

Answer 7

Good Design is Environmentally Friendly – contributes to the preservation of the
environmen
Innovative – Technology advancement enhances it
Honest

Question 8

Iterative Process Consisting of Six Phases:

Answer 8

1. Recognition of need - someone recognizes the need that
   can be satisfied by a new design
    Write a problem statement – what is the problem? who
   has the problem? Where does the problem occur? and
   why it is important to solve?
2. Problem definition – thorough specification of the item( e.g.
   physical characteristics, function, cost, quality and operating
   performance)
    Design requirements – physical and conceptual
   requirements
    Physical design requirements important physical
   characteristics for your solution to succeed
    What major needs are addressed by the solution? What
   is essential to meet the need?
    What are the physical requirements of your design
    Conceptual requirements – feasibility of your solution
   The Design Process
   12
   Iterative Process Consisting of Six Phases:
3. Synthesis - creation and conceptualization
4. Analysis and optimization - the concept is analyzed and
   redesigned
    3 and 4 are highly iterative must be repeated until design
   has been optimized within design constraints
5. Evaluation - compare design against original specification
    Fabrication and testing of prototype model( to assess
   operating performance, quality, reliability, and other
   criteria)
6. Presentation - documenting the design (e.g., drawings)
    Create design database

Question 9

Concepts and techniques to aid product design function

Answer 9

 Principles and methods of Taguchi
 Concurrent engineering
 Design for manufacturing
 Quality function deployment

Question 10

Quality function deployment (

Answer 10

QFD) is as a systematic approach for organizing and
managing a given design project

Question 11

 Objective of QFD

Answer 11

design products that satisfy or exceeds customer requirements

Question 12

Each matrix is similar in format and consists of 6 sections

Answer 12

. Identify customer requirements – VOC
2. Identify product features needed to meet customer
requirements – technical requirements that
corresponds to desires
3. Determine technical correlations among product
features
4. Develop relationship matrix between customer
requirements and product features
5. Comparative evaluation of input customer
requirements
6. Comparative evaluation of output technical
requirements

Question 13

Computer Aid Design (CAD)

Answer 13

any design activity that involves the effective use of computer
systems to create, modify, analyze, optimize, and document an engineering design.

Question 14

Manufacturing planning-

Answer 14

computer is used indirectly to support the
production function, but there is no direct connection between the computer
and the process.

Question 15

Manufacturing control

Answer 15

computer systems are used to control and manage
the physical production activities

Question 16

Goal of CAD/CAM system

Answer 16

m is to not only automate certain phases of design
and certain phases of manufacturing, but to also automate the transition from
design to manufacturing

Question 17

Ideal CAD/CAM system

Answer 17

he product design specification residing in the
CAD data base would be automatically converted into the process plan for
making the product

Question 18

An ideal CIM system

Answer 18

applies computer and communications technology to all of
the operational functions and information-processing functions in manufacturing
from order receipt to product shipment