Chapter 6Creating Technical Drawings

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VIEWS of OBJECTS

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How to draw this

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Regular Views

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The Six Standard Views

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Necessary ViewsHow many necessary views are needed here?

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Three Necessary Views

How Many Necessary Views?

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Two Necessary Views

How Many Necessary Views?

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One Necessary View

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Orthographic Projection(3rd Angle

Projection)

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Projection of an Object

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Front View

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Top View

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Right-Side View

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The Glass Box

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The Glass BoxUnfold It

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Unfolding the Box

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Unfolding the Box (2)

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Unfolding the Box (3)

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Standard Views

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How to Interpret Lines

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Folding Lines

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Transferring Depth Dimensions

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Projecting a Third View (1)

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Projecting a Third View (2)

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Projecting a Third View (3)

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Projecting a Third View (4)

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Projecting a Third View (5)

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Aligning Views

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Alignment of Views

The standard view set forms an L

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Alternative Positions of Views

Minimize wasted space

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Parallel Edges

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Angles

Angle will only print correctly, if the view is on the plane of that angle

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Interpreting Views• One method of interpreting sketches

is to reverse the mental process used in projecting them

• Each view provides certain definite information about the shape of the object and all are necessary to visualize it completely

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First- and Third-Angle Projection

• There are two main systems used for projecting and unfolding the views:– Third-angle projection which is used in

the United States, Canada and some other countries

– First-angle projection which is primarily used in Europe and Asia

• You should understand both methodsWe will only use 3rd angle

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First-angle Projection

Create your own drawing

Make The Drawing

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Turn it into a drawing

Choose the sheet size

A is regular 8.5”x11”

View Pallete

Toolbar

Open The 3 Standard Views• Choose ‘Standard 3 View’ under

‘View Layout’

• Choose the part you want to draw, and click the check

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Right click the sheet, and choose ‘properties’

Change doc properties• Change scale• Change projection type

Change the drawing view• Click on the1st view

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Choose a different view• Click on the viewyou prefer

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Choose view hidden lines

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Add in a projected view• Choose the first view• Then movethe mouse

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Bi-directional associativity• Change a dimension in 1 part, it

follows through

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It updates elsewhere

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Add in dimensions• Choose ‘Model Items’

• Select each drawing that you want dimensioned

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Change the number of decimals

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Add/Delete Dimensions• Use smart dimensions under the

annotations tab to add more• Right click >> delete to delete

dimensions

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Auxiliary View • Add in views along a plane• Better for edges at weird angles• View layout >> Auxiliary view• Choose an edge

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Section View• Cutting up a part, to better view the

part• View layout >> Section views• Can use one of the standard options

for lines, or draw your own

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Section View

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Placement of Section Views

Centerlines match up

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Help view more information

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Placement of Section Views

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Labeling Cutting Planes

Add in centerlines• Annotation >> Center Mark• Annotation >> Centerlines

– Select 2 lines to put the centerline inside of

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Detail view• View layout >> Detail View• Choose a region to view in detail• Draw a circle

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Rotate view• Choose the rotate view button in the

dashbar

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Add in other views• View Layout >> Model View• Right click the part to align• Choose Alignment >> Align horizontal

by origin– Choose the other drawing you want it

aligned with

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Put in your name/information

• Add in a textbox– Annotation >> Note

• Select the area where it should be written

• Write you name, and assignment info.

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Assignment• Take all of the homeworks.• Turn them into technical drawings• Print them and hand them in• Graded on aesthetics

– How much blank space– How neat it looks

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