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Hidden Lines In Engineering Drawing

Hidden Lines In Engineering Drawing - Figure 3.46 shows a case in which hidden lines are needed because a projecting part cannot be clearly shown without them. When an object becomes more complex, as in the case of an automobile engine block, a clearer presentation of the interior can be made by sketching the object as it would look if it were cut apart. Sometimes they are used to make a drawing easier to understand. Web thick or thin dashed line. Web there are 12 types of lines usually used in engineering drawing. Web what are centerlines? A hidden line, also known as a hidden object line is a medium weight line, made of short dashes about 1/8” long with 1/16”gaps, to show edges, surfaces and corners which cannot be seen. The dashed line is used to indicate hidden details like hidden outlines and hidden edges. Their basic purpose is to show circular/cylindrical features in a drawing, which are found in abundance in mechanical parts. The dashed line may be either thick or thin, but only one type (thick or thin) should be used on a single drawing or set of drawings.

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This Animated Video Details And Showcases Their Use,.

As the name suggest, they are visible in an engineering drawing. Web 13 jul 06 10:47. The dashed line is used to indicate hidden details like hidden outlines and hidden edges. A surface or edge that is shown in one view with an object line will be shown in another view with a hidden line.

It Is More Than Simply A Drawing, It Is A Graphical Language That Communicates Ideas And Information.

Hidden lines, as you already know, are used to represent features that cannot be seen in the current view. Web there are 12 types of lines usually used in engineering drawing. Curved lines (arcs, circles, and ellipses) cutting plane lines. Web you have learned that when making a multiview sketch, hidden edges and surfaces are usually shown with hidden (dash) lines.

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Centerlines are one of the most frequently used tools in engineering drawing. Web what are centerlines? These features are typically inside the object or obscured by other surfaces. 1) always show all hidden lines unless it creates too much clutter.

A Variety Of Line Styles Graphically Represent Physical Objects.

Common examples of such features include bolt holes, pins, discs, etc. The question of whether to dimension to hidden lines came up a few weeks back and i think the reference given was slightly wrong. Web all hidden lines behind the cutting plane must not be shown, but all visible lines should be shown! Web engineering drawings (aka blueprints, prints, drawings, mechanical drawings) are a rich and specific outline that shows all the information and requirements needed to manufacture an item or product.

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