digital design and manufacture

Question 1

What is virtual modelling?

Answer 1

Creating CAD models for testing in different environments and can define the properties of real life products

Question 2

What can virtual models be used to test?

Answer 2

Functionality, performance and different conditions

Question 3

How can virtual modelling be used in manufacturing?

Answer 3

To simulate a manufacturing process.

Question 4

What are the benefits of digital simulation?

Answer 4

Products can be tested to destruction, cheaper, can be repeated, range of environments can be simulated

Question 5

What does FEA stand for?

Answer 5

Finite Element Analysis.

Question 6

What does FEA predict and test?

Answer 6

Specific loads and stresses on parts and components.

Question 7

What can FEA show about a product/component/structure?

Answer 7

Whether it will break, wear out or work the way it is intended.

Question 8

What types of mechanical stresses can FEA analyze?

Answer 8

• Vibrations
• Heat
• Torsion
• Compression.

Question 9

What does CFD stand for?

Answer 9

Computational Fluid Dynamics.

Question 10

What does CFD simulate?

Answer 10

The flow of gases and liquids around a product or object.

Question 11

What can virtual tests using CFD mimic?

Answer 11

Extreme weather conditions with virtual wind tunnels and wave tanks.

Question 12

What are the advantages of CFD over physical testing?

Answer 12

It’s cheaper than creating a full testing facility and producing a physical model.
can simulate wind tunnels without the sensors affecting the data.

Question 13

What can be tested using CFD?

Answer 13

Environments and buildings and planes

Question 14

what is the primary purpose of production planning?

Answer 14

helps ensure quality standards, delivery deadlines and lower operating costs

Question 15

what does MPS stand for?

Answer 15

Master Production Schedule

Question 16

give a benefit of the Master Production Schedule

Answer 16

allocates labour, materials and time to a job

Question 17

how does production planning contribute to cost reduction?

Answer 17

by ensuring time and resources are used wisely

Question 18

what does PPC stand for?

Answer 18

Production Planning and Control

Question 19

what does CIM stand for?

Answer 19

Computer Integrated Manufacture

Question 20

what does Computer Integrated manufacture involve?

Answer 20

incorperating the use of computers in every step of product manufacturing

Question 21

what is one application of CIM in design?

Answer 21

using a CAD drawing program like 2D design

Question 22

What does EPOS stand for?

Answer 22

Electronic Point of Sale

Question 23

what technology does an EPOS system use to record product details?

Answer 23

scanners and barcodes

Question 24

what data does EPOS generate?

Answer 24

sales trends and staff activity

Question 25

how does EPOS improve the transaction process?

Answer 25

by speeding it up

Question 26

what can companies use customer buying habits data for?

Answer 26

to create targeted marketing to improve sales

Question 27

What is CNC Milling?

Answer 27

A process where a rotating cutting tool removes material from a workpiece to create complex shapes.

Question 28

What are the pros of CNC Milling?

Answer 28

High precision and repeatability Suitable for complex 3D parts Good surface finish

Question 29

What are the cons of CNC Milling?

Answer 29

Can be slow for large volume production Tool wear can increase costs

Question 30

What is CNC Turning?

Answer 30

The workpiece spins while a cutting tool shapes the outside or inside of a cylindrical part.

Question 31

What are the pros of CNC Turning?

Answer 31

Excellent for symmetrical, round parts High accuracy and surface finish Efficient for batch production

Question 32

What is Laser Cutting?

Answer 32

A focused laser beam cuts material with high precision, usually sheet metal or plastics.

Question 33

What are the cons of CNC Turning?

Answer 33

Limited to rotationally symmetric parts Setup costs can be high for small runs

Question 34

What are the pros of Laser Cutting?

Answer 34

Very precise and clean cuts Minimal material waste Fast setup and cutting times

Question 35

What are the cons of Laser Cutting?

Answer 35

Limited to thinner materials Equipment can be expensive

Question 36

What is Waterjet Cutting?

Answer 36

High-pressure water mixed with abrasive particles cuts through materials without heat.

Question 37

What are the pros of Waterjet Cutting?

Answer 37

Can cut very thick materials No heat-affected zone (no material distortion) Works with metals, stone, composites

Question 37

What are the cons of Waterjet Cutting?

Answer 37

Slower than laser cutting for thin materials Water and abrasive disposal considerations

Question 38

What is a plotter cutter?

Answer 38

A computer-controlled machine that uses a blade to cut shapes, patterns, or designs out of thin materials like vinyl, card, or paper.

Question 39

What industries use plotter cutters?

Answer 39

Graphic design Sign making Fashion and textiles Packaging Arts and crafts