Technical Drawing Centre Line
Technical drawing is a form of design communication based on line symbols recognized and understood worldwide.
Technical drawing centre line. Looking at the drawing. Posted in design drawing technical drawing tools tagged a4 to a3 percentage blundell harling challenge choosing scale for drawing choosing weight of tracing paper cleaning and caring for a drawing board coding drawings designer draughting designing on the drawing board diagonal hatching difference between scale and size drafting paper drawing a centre line extension lines. 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.
Technical drawing drafting or drawing is the act and discipline of composing drawings that visually communicate how something functions or is constructed. Continuous thin lines are used for the dimensions line leader lines fictitious line hatching lines hatching lines when drafting of model drawing to show as a sectioning and also for the imaginary intersection of surfaces revolved sections adjacent parts tangent bend lines and fold when representing the circular section then thin lines are in center of the part. Cad modeling hub 12 864 views.
This video will help you to understand the difference between different types of lines used in technical drawing. Standard drawing line types duration. Technical drawing is essential for communicating ideas in industry and engineering to make the drawings easier to understand people use familiar symbols perspectives units of measurement notation systems visual styles and page layout.
The person who will read drawings have to learn what they mean. Technical drawing line types. It is a basic requirement and learned early in drafting instruction.
Line types are also a language type to communicate between technical people. Hence technical drawing is often referred to as a universal language understood readable by anyone regardless of the language they speak. Drafting students or those reading the drawings have to learn what they mean just as one learns a new language.
When starting a technical drawing in most cases the first items to be drawn are the centre lines to fix positions of components with in the drawing.
