Table of Contents
How do you extract information from engineering drawings?
The name and contact information for the engineer who created the drawing. The name of the object or part, along with part numbers or other identifying information. The units of measurement used for dimensions in the drawing. The scale of the drawing.
How do you analyze engineering drawings?
Title block Name and address of the company or agency who prepared or owns the drawing. Part number and description. Material. Mass. Finish. General tolerances. Projection details. Scale used in the drawing.
What is the purpose of engineer drawings?
Engineering drawings are used to communicate design ideas and technical information to engineers and other professionals throughout the design process. An engineering drawing represents a complex three-dimensional object on a two-dimensional piece of paper or computer screen by a process called projection.
What are 3 reasons engineers use drawings?
Here are three reasons that having an accurate drawing is critical: Eliminate Questions. A drawing that includes all details and information necessary to successfully manufacture the design (e.g., tolerances, paint specs, electrical specs, packaging specs, etc.) Reduce Production Delays. Avoid Additional Costs.
What are different views in engineering drawing?
The most common way to communicate all the information is by using three different views in a multiview drawing: Front view. Top view. Side view.
Is engineering drawing hard?
Engineering drawing may be about technical drawings but it is one of the toughest subjects, ask any engineering student and you will know. A sound knowledge of drawing is vital otherwise its a tough road ahead with the subject. It is an art because it involves a lot of drawing, that to complex form of drawing.
What are the lines used in engineering drawing?
Following are the different types of lines used in engineering drawing: A type – Continuos Thick. B type – Continuous THIN. C type – Continuous THIN Freehand. D type – Continuous THIN Zig-Zag. E type – Dashes THICK. F type – Dashes THIN. G type – Chain Thin. H type – Chain THIN and THICK.
What is top view in engineering drawing?
Horizontal plane of projection. Horizontal plane of projection is the plane onto which the Top View of the multi-view drawing is projected. Top view of an object shows the width and depth dimensions.
What is the difference between engineering drawing and artistic drawing?
The main difference is; engineering drawing is designed for parts to be manufactured, but artistic drawings are just visual representation.
Why engineering drawing is known as the language of engineering?
Why drawing is called universal language of engineers? Ans1:-A drawing drawn by an engineer having engineering knowledge for the drawing purposes is an engineering drawing. It is meant for communicating his ideas, thoughts and designs to others.
What are the 2 elements of engineering drawing?
The two broad types of projections, both with several sub- classifications, are parallel projection and perspective projection. Projections. Orthographic projections: are drawn as multi view drawings, which show flat representations of principal views of the subject.
Do you need technical drawing for engineering?
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.
What is projection in engineering drawing?
Projection. Projection is defined as a geometrically represented image (visual image or figure) of an object obtained on a surface or plane.
Is technical drawing still relevant?
2D detail drawings in engineering may be a thing of the past in a digital age, but they are still being used. CAD has allowed us, engineers, to spend less time refining the 2D detailed drawing, but it has not eliminated the use of these drawings in the industry.
Which projection has only one view in engineering drawing?
Multiview drawing is classified as a parallel projection technique, because the lines of sight used to view the object are parallel. This method of viewing an object results in a single view, with only two of the three dimensions represented.
What are the views shown in the drawing?
There are three types of pictorial views: perspective. isometric. oblique.
What are the 3 types of views in perspective?
The three types of perspective—linear, color, and atmospheric—can be used alone or in combination to establish depth in a picture. Linear perspective requires the most study.
How can I cheat in engineering drawing?
Make sure everything is neatly presented and drawn, so that it makes it easier for the person correcting your paper to grade it.Sujayendra Krishna Nellore Stop panicking. Ask your seniors for tips. Focus on the easy units. Practice, no seriously, practice as much as you can. Presentation.
What are the four types of technical drawing?
There are many types of technical drawings, including: 3D drawings (isometric, perspective) • Exploded-view 3D drawings • Complete working drawings • Detail drawings (2D orthogonal projections) •Diagrams are another form of technical drawing with looser, less universal standards.
How do you read engineering drawing symbols?
They are often in the bottom right-hand corner of the drawing/part.It contains: The name and address of the company who produced/ owns the drawings. The part number and description. Mass. Material. General tolerances. Units. Finish. Projection details.
What is hidden line in engineering drawing?
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. Sometimes they are used to make a drawing easier to understand. Often they are omitted in an isometric view.
Which pencil is used in engineering drawing?
Generally for technical drawings, the three grades of pencil used is HB, H and 2H . For different purposes, different grades of pencils are used. Pencil sharpener is is used to mend the pencils.
What are the 3 major line types that are used for technical drawings?
Using the Alphabet of Lines Construction Line. This line is used mainly in sketching, which is a freehand drawing technique. Visible Object line. This line is used to draw all the edges of the object. Hidden Object Line. Centre Line (or centreline) Extension Line. Dimension Line.
