How To Read Engineering Drawings
Most include a cover page time block key notes general notes revision block drawing scale and a legend. The first number represents the actual size of the part and the second number represents the print.
How To Read Civil Engineering Drawing Civil Drawing Civil Engineering Engineering
Start by looking at the Title Block on each drawing.
How to read engineering drawings. This is called 38 scale. It covers several fundamental topics1 The layout of the drawing2 Title block3 First VS. Start off by reading the title block found at the bottom right-hand corner of the drawing.
It can be shown as 11 or 11. The scale is always shown on the same page as the drawing either under the title or below an individual drawing. The next step is to read the notes in the drawing outside the title block.
Hidden detail are shown with a certain line type to. There are other information blocks like it. Drawing is the actual distance or size of the component.
The following notes and illustrations are intended to assist in reading and understanding simple drawings. This video about learning how can you read and understand Measurements in Engineering Drawings and what is the rule to write dimension in Civil Drawings. Engineering drawings are still a big part of an engineers job.
It is crucial that you read everything and understand it before you estimate or start the construction project. Most drawings have a border around them. For example if a component part measures 68 inch on the drawing the actual component measures 2 feet.
It is important to understand what each line type is and what they mean. 12 1 Read as 12 inch on the drawing equals 1 foot on the actual. 38 1 Read as 38 inch on the drawing equals 1 foot on the actual component or system.
Projection and dimension lines are drawn in or around the outline of the subject and are. Located in the lower right of. 2 Drawing Standards.
The border sometimes includes letters and numbers to delineate zones in the same way as a map to help locate and pinpoint certain areas. This video discusses the basics of reading engineering drawings. When learning how to read construction plans it is essential to understand what is contained within typical construction plans.
How to Read a Technical Drawing Understanding Projections and Views. Keep in mind that scales can vary throughout a set of architectural prints so check each page and use an architectural scale or scaled ruler to make sure youre reading. A compressed handbook designed for the students of engineering disciplines for learning the basics of engineering drawing.
All in all making them contributes to about 20 of a design engineers work time. Mechanical Drawings By Engineering Drawing Basics Certain features on a Engineering Drawing requires specific ways of indication. For example holes require center lines to identify the center and show that it is round.
A drawing of a circle on its own could be interpreted as the. Bill of Materials BOM Block. These letters are in alphabetical order from the bottom up on the vertical axis.
We at Fractory are trying to save this time by automating the reading of 3D models for production. Sheet number and number of sheets. In all orthographic drawings it is necessary to project at least two views of a three dimensional object - or one view and an adequate description in some simple cases a typical example being the drawing of a ball.
Ratio of actual size of the part compared to the size of the part on the drawing. Projection and Dimension Lines. In other words 12 means the the print is double the actual size.
A brief tour of a set of structural design drawings for a building from the perspective of a structural engineer. This helps ensure that the full drawing is included in reproductions. Any information in the notes that conflict with the.
Compass and Divider Fig. The intent of this video is to provide ins.
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