Engineering Graphic Modelling

required

function

!

structure

form

material

dimension

surface

1

properties

achieved

required

function

j

structure

form

material

dimension

surface

**

properties

achieved

Any item must be dimensioned in such a way that it can be

manufactured and also function as intended.

Use

It is important to distinguish between the functional dimensions and

dimensions which can be chosen more freely, i.e. only limited by

production demands, appearance and economy. The need to specify

more than the functional dimensions depends on the situation, but

in practice the designer is normally expected to furnish most of these

dimensions. Technical draughtsmen and