R038 Engineering Design Topic 3.2 Standard con. & line types

Label the line types.

b

c

d

e

a

Outlines

Hidden details

Dimension line

Centre Line

Construction lines

Identify the line types and symbol on the drawing.

a

b

c

Leader line

Diameter

Centre line

Label the line types and symbol.

a

b

c

Leader line

Radius

Centre line

Match the following

• Countersink

• 
• Clearance hole

• 
• Chamfer

• 
• Knurl

• 
• Threaded hole

• 

Match the following

• AF

• Across Flats

• CL

• Centre line

• DRG

• Material

• D

• Diameter

• MATL

• Drawing

Organise these options into the right categories

Groups:

(a) Advantages of CAD

,

(b) Limitations of CAD

• Easy to edit to correct mistakes or change features.

• Work can be lost due to viruses, hacking or equipment breaking,

• Allows you to view your design from all angles.

• Need to have access to a computer and CAD software.

• Need skill training to use CAD.

• Easy to quickly share around the world.

• Can hinder creativity when initially getting the idea on screen,

• Animation and simulation can be used to model function.