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

Title block A4 sheet

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.

1

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.

1

2

3

Portfolio draft (4)

Laboratory sessions

CAT´S LAB A