ViewsIntroductionWhen drawing or projecting images on paper, you select a surface on theobject and draw that surface parallel to the picture plane or paper surface.This creates a drawing with a limited amount of descriptive information.Technical drawings or blueprints must show a great deal more informationand show it accurately. This often requires you to draw the same object as ifyou were looking from different viewpoints, bisecting piece parts, orexploding objects of complex design.ViewsA view is an image that results when an observer looks perpendicularlytoward one face of an object and obtains a true view of the size and shape ofthat side. This one view provides only two of the three principal dimensions(width, height, and depth) of an object. You find the third dimension in anadjacent view. Some objects requiring only single view drawings to describethem are shafts, bolts, washers, and other similar items. More often thannot, objects require two or multiple views to fully describe its features.MultiviewprojectionMultiview projection is a systematically arranged set of views providingcertain definite information about an object. You can view any object fromsix mutually perpendicular directions either by shifting the object withrespect to the observer or by shifting the observer with respect to the object.The American National Standard arrangement of views vertically aligns thetop, front, and bottom views and horizontally aligns the rear, left-side, front,and right-side views. Drawing a view out of place is a serious error, whichcan lead to confusion and wasted production hours.Figure 3-41 shows the American National Standard for view arrangement.Figure 3-41.—Viewarrangement.Continued on next page3-46
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