Engineering Drawing Centre Line
Centre lines section lines are drawn using 3h or 4h pencil.
Engineering drawing centre line. There are several common types of engineering drawing such as detail assembly and pictorial drawings. This lines are to showing break in a long continuous series of lines on structural drawing and also indicating the break on an adjacent member to which a component is attached. Table 1 shows the types and thickness of lines used for various purposes.
The centre lines are extended by a short distance beyond the outline. Center line michigan a place in the united states center line high school. Line types are also a language type to communicate between technical people.
Outlines dotted lines section plane lines dimension lines and arrow heads are drawn using 2h. An engineering drawing is a type of technical drawing. A centreline is a line often dashed and usually of a light thin line weight drawn exactly through the axis of symmetry of a symmetrical object in the drawing to both denote that it is symmetrical and to dimension the position of the centre such as for a circular or oval part of the plan.
Basic types of lines used in engineering drawings by kelly curran glenn sokolowski. Centerline an engineering drawing symbol stylized by an overlapping c and l see also. Continuous thin freehand lines are used in engineering drawing for showing sectional boundary lines on part and for short break lines.
In this highly interactive object learners associate basic line types and terms with engineering drawing geometry. The proportion once selected should be maintained throughout the drawing. A quiz completes the activity.
These different pencils give different shades which give different importance to lines in drawing. All pages with titles containing centreline. Technical drawing lines are used for different purposes to provide specific information for designers manufacturers etc.
An engineering drawing is a type of technical drawing that is used to convey information about an object. Centre lines lines of symmetry trajectories and pitch circles type of lines are long thin chain lines with alternately long and short dashes of proportion ranging from 6 1 to 4 1 and evenly spaced. Continuous thin line with intermittent zig zag.
It is to fully and clearly define requirements for engineered items. A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing usually a number of drawings are necessary to completely specify even a simple component. Looking at the drawing.
The basis of any drawing is a line. Centre line party former name of the australian democrats political party. All pages with titles containing centre line.
Technical drawing line types.
