[MBD Logo] Designing a Construction Set
A Pro/DESKTOP Tutorial (Module 5)		 [Stool]
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Context

[Stool]
Fig 1. A stool


This design exercise, using Pro/DESKTOP, simulates members of a design team producing designs for the components of a new construction kit. A specification of the joining method has been identified along with the spacing between the components.

Introduction
In this first activity you will design, model and assemble the components for a new construction kit.

Objectives

[Spoke]
Fig 2. A spoked wheel


At the end of this module you will understand the following features of 3D design using Pro/DESKTOP:
  1. How CAD can support concurrent design techniques.

  2. How to assemble components

  3. How to produce sketches of a component, which complies with the requirements set out in the design brief provided.

  4. How to create designs derived from others.

  5. How to created a Pro/DESKTOP model of a component

  6. How to test a component by assembling it with others in the ‘kit’.

Joining method
Struts, 80mm long with a 4mm round peg, 4mm long which fits into a 4mm-diameter hole (a minimum of 5mm deep).

Module spacing
The main spacing is 100mm between centres. Multiples and sub-divisions can be used.

Concurrent design
Pro/DESKTOP can be used to co-ordinate design work by several people. A joining system is predefined and students base their designs for a finial on this. Changes to the joining system are immediately reflected in all components based on it. In industry designers rely on CAD to maintain and update links between components that are being designed concurrently, often by several members of the design team.

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© CBI, 1999 Last Updated: 13/08/98