ENGINEERING TECHNICIANS
Unit 2
By Fahim Mohammed
Year 13
, Unit 2 Communicating Technical Information Assignment 1
In this unit, I will begin by interpreting an engineering drawing/circuit/network
diagram. I will describe 2 diagrams that had been handed to me; one of which is a
detailed drawing & the other is an orthographic projection in bullets points as well as
explaining why these points were used.
Beginning with the first drawing: Rotary Gear Pump
Scale: 1:1 this scale is used to state the scale used to fit the component onto the
drawing sheet. The sheet size is A4.
Type of Projection: 3rd Angle was used simply because it’s mandatory & so that the
engineer knows what component is where as with this angle the plan view is located
at the top left.
Name or title of Drawing: Details of Rotary Gear Pump, & the name of the
component is Gear Pump. Names are required just so the engineers know what
drawing it is.
Dimensions: Dimensional units are in millimetres.
Orthographic Projection: Displays a section, elevation & end view of the component.
Beginning with the first drawing: G-Clamp Body
1) Extracting information from the G-Clamp assembly drawing, I have
completed the parts table shown below by adding the part names & the
quantity required for each part.
Name Quantity
1 G - Clamp Body 1
2 Clamp handle end 1
3 Anvil 1
4 Clamp thread foot 1
5 Tommy bar 1
6 Tommy bar end cap 2
7 Threaded bar 1
2) The drawing number for the G-Clamp assembly is GC-ASSY001
3) Below I have dimensioned a rectangle to display the minimum size of
material blank required in order to manufacture the G-Clamp, & that was 75
X 50 mm
P1 Fahim Mohammed