How do you read a 2D CAD drawing?

Reading CAD drawings is a lot easier than you think.

1. Look at the legend. The legend or key, usually located near the lower right-hand corner of the drawing, should explain all of the symbols on the drawing.
2. Look at the title block.
3. Read the notes.
4. Pay attention to lines.

How do you read 2D 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.

How do you read AutoCAD drawings?

How to open a AutoCAD drawing

1. Click File > Open > Browse.
2. Next to the File name box, click the All Visio Files dropdown, and then select AutoCAD Drawing.
3. Find the . dwg or . dxf file on your computer, and then double-click it to open it. The AutoCAD file will appear as a new Visio drawing.

How do you read a drawing sheet?

Start by looking at the Title Block on each drawing. Located in the lower right of the drawing, the Title Block contains the architect or designer’s name, the drawing number, project name, part number or building address and the scale of the drawing. This will help you understand what you’re looking at.

How do you read mechanical drawings?

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 I open an AutoCAD file that is read only?

Click Advanced. Click New. Click OK twice, then Close. Now when you right click on a DWG file, choose Open Read-only.

How do I edit a CAD drawing?

As with the drawing tools, AutoCAD has a general process for modifying objects:

1. Select an editing tool.
2. Specify which object(s) you want to modify.
3. Read the prompt.
4. Specify points and answer prompts.
5. Press or to end the command.

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.