Frequent question: How do you read CAD drawings?

How do you read engineering drawings?

Title block

  1. Name and address of the company or agency who prepared or owns the drawing.
  2. Part number and description.
  3. Material.
  4. Mass.
  5. Finish.
  6. General tolerances.
  7. Projection details.
  8. Scale used in the drawing.

What does a CAD drawing show?

A CAD drawing is a detailed 2D or 3D illustration displaying the components of an engineering or architectural project. Computer-aided design utilizes software to create drawings to be used throughout the entire process of a design project, from conceptual design to construction or assembly.

How do you read an assembly drawing?

The details should give you the following information;

  1. General tolerances.
  2. Projection details.
  3. Scale used in the drawing.
  4. Status of the drawing (Preliminary, Approved, etc.)
  5. Name of the component or assembly.
  6. Contact details of the drawing owner.
  7. Mass.
  8. Units used in the drawing.

How do you present CAD drawings?

To Start a New Drawing

  1. On the Start tab, click Start New Drawing. This opens a new drawing based on the default drawing template file. …
  2. Right-click a file tab, and choose New to display the Select Template dialog box.
  3. Click Application menu New Drawing. Find.

How do you tell what units AutoCAD is in?

Click the Units tab. Under Drawing Units, select the desired units. Various imperial and metric units are available. The units that you select determine the unit of measurement that each unit in your drawing represents.

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What is a CAD drawing called?

Computer-aided design (CAD) is a process that allows computer users to design a variety of products and geometric shapes on-screen, rather than building them by hand. … When an object is drawn in 3D using CAD, the process is often referred to as rendering or modeling, while 2D design is often called “drafting.”

How do you read first and third angle drawings?

The difference between first and third angle projection is in the position of the plan, front and side views. In third angle, what you see from the right would be drawn on the right. In first angle, the view from the right would be projected through and drawn on the left.

What is an assembly view?

Assembly Views are collections of individual drawings. Often a single drawing does not contain all of the information necessary to convey the intended design. … Assembly Views simplify this process by creating a hierarchy collection of the individual drawings needed using the latest drawing revision.

What is AutoCAD introduction?

AutoCAD is a commercial computer-aided design (CAD) and drafting software application. Developed and marketed by Autodesk, AutoCAD was first released in December 1982 as a desktop app running on microcomputers with internal graphics controllers. … AutoCAD is also available as mobile and web apps.

What are commands in AutoCAD?

Basic AutoCAD Commands

  • L. It can be used for making simple lines in the drawing.
  • C. It is the command used for making a circle in AutoCAD.
  • PL. This command can be used to make a Polyline in your drawing.
  • REC. This command will make a rectangle in AutoCAD.
  • POL. …
  • ARC. …
  • ELLIPSE. …
  • REG.
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