Technical Drawing: Difference between revisions
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[[Image:Mortice.jpg]] [[Image:Housings.jpg]] | [[Image:Mortice.jpg]] [[Image:Housings.jpg]] | ||
== 3 Tread == | |||
The first exercise is to draw a simple independent three tread unit laid out in first angle projection. | |||
Below is an example of first angle projection. The projection lines are still visible; these lines show how sizes can be transferred from one view to another. | |||
For the purposes of this exercise the dimensions of the tread unit are as follows. | |||
*Overall length of treads: 2000mm | |||
*Overall height of treads: 600mm | |||
*Width of tread: 200mm | |||
*Height of tread: 200mm | |||
Revision as of 10:41, 5 February 2010
3 Tread
The first exercise is to draw a simple independent three tread unit laid out in first angle projection.
Below is an example of first angle projection. The projection lines are still visible; these lines show how sizes can be transferred from one view to another.
For the purposes of this exercise the dimensions of the tread unit are as follows.
- Overall length of treads: 2000mm
- Overall height of treads: 600mm
- Width of tread: 200mm
- Height of tread: 200mm