Engineering design

W2-1

Professor: Oscar Alonso Rosete Beas

Previous session

Mechanical drawing part of technical drawing
Introducing the geometry set
15 degrees
Our first portfolio drafts

Agenda

Sheet drawing sizes
Title block
Portfolio drafts continuation
- 3.-15 degree increments with triangle set
- 4.-Complex pattern of angled lines

First activity

Second activity

Drawing Standards

Standards are made to organize and unify the engineering work

There are so many standards related to drawings. For instance, ISO and ANSI.

American National Standards Institute primarly used for products made in United States, International Organization for Standardization is used in 163 countries. Differences

Differences

Title block A4 sheet

ISO 7200 (180x27 mm)

Drawing lines

Twelve basic types of lines are used in manual drafting, each has its own individual characteristics.

15º increments with triangles

Portfolio draft (3)

All of your activities need to be made on a letter size blank sheet of paper. For this excercises draw a frame of 1 cm from the border of the page.

Activity description:

Draw a frame of 1 cm
Draw a title block and fill the corresponding sections with relevant information (180x 27 mm)
- Title: Third draft, Created by: your name, Approved by: professor name, Date of issue: Today, Document type: Draft, Legal Owner: CETYS
Draw a central axis of 18 cm
Draw angled lines every 15 degrees .

Portfolio draft (4)

All of your activities need to be made on a letter size blank sheet of paper. For this excercises draw a frame of 1 cm from the border of the page.

Activity description:

In landscape orientation, divide the sheet in 2 equal sections and draw the following:

Title block

Title: Fourth draft, Created by: your name, Approved by: professor name, Date of issue: Today, Document type: Draft, Legal Owner: CETYS

1) Parallel lines of 105 degree every 2cm and alternating perpendicular lines every 3.5cm.
2) Parallel lines of 15 degree every 2cm and alternating perpendicular lines every 3.5cm.