# Views of Objects - PowerPoint PPT Presentation

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Views of Objects. GOALS: After this chapter you should be able to: Explain different views of an object Explain how an object can be revolved to illustrate different views. Explain how the idea of a “glass box” can be used to explain views.

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Views of Objects

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Views of Objects

• GOALS: After this chapter you should be able to:

• Explain different views of an object

• Explain how an object can be revolved to illustrate different views.

• Explain how the idea of a “glass box” can be used to explain views.

• Be able to identify the necessary views of a given object that is to be drawn.

• Identify typical objects that usually require only two views.

• Be able to sketch three or more views

• Be able to place the views correctly on the page.

• Every Object is subject to laws of nature.

• We live in a three dimensional world.

• Therefore there are three essential dimensions that must be represented in a mechanical drawing:

• Width

• Height

• Depth

• The front view shows what two dimensions?

• Width and height

• The right side view shows what two dimensions?

• Height and Depth

• The top shows what two dimensions?

• Width and the depth

• Refer to figure 7-5 in your text. The Glass Box.

• Hidden Lines: Used to show hidden parts (edges). Drawn with a dashed (hidden) line.

The edge would not be visible in the right side view so we use a hidden line to show it is there.

• The Right Side, Front and Top views are known as “the Three Standard Views.”

• In circular drawings we use center lines to indicate roundness.

• Sometimes only two views are required.

• One of the worst things you can do is draw a view out of place.

• Always use this orientation:

TOP

FRONT

RIGHT SIDE