AM for Product Development

Question 1

Steps for CAD to Part

Answer 1

1. CAD
2. STL
3. Setup Build
4. Manufacture Component
5. Post Process

Question 2

What is Material Extrusion?

Answer 2

A material is selectively dispensed through a nozzle or orifice

Question 3

What is Vat Photopolymerisation?

Answer 3

A liquid photopolymer in a vat is selectively cured by light-activatied polymerisation

Question 4

What is Powder bed fusion?

Answer 4

Thermal energy selectively fuses regions of a powder

Question 5

What is Material Jetting?

Answer 5

Droplets of build material are selectively deposited

Question 6

What is Binder Jetting?

Answer 6

A liquid bondong agent is selectively deposited to join powder materials

Question 7

What is Direct energy deposition?

Answer 7

Focused thermal energy is used to fuse materials by melting as the material is deposited

Question 8

What is Sheet Lamination?

Answer 8

Sheets of material are bonded to form an object

Question 9

Current limitations of AM?

Answer 9

• Selection of materials
• Material properties
• Resolution & Surface finish
• Throughput
• Materials cost

Question 10

Types of physical model

Answer 10

1. Geometric
2. Design
3. Functional
4. Technical

Question 11

Purpose of a Physical model?

Answer 11

Concept - sharing the idea
Fit - test the dimensions of the design
Form - Asses the aesthetics and ergonomics
Function - test the working environment
Bid Requests - asses the product from supply standpoint
Marketing - communicating a design to a non-design based consumer