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Anonymous
Sep 3, 2024

Symbols used in technical drawings:

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ChatGPT
Sep 3, 2024
1. Lines: Different types of lines are used to represent different elements in a technical drawing, such as object lines, hidden lines, centerlines, and dimension lines.

2. Geometric shapes: Circles, squares, triangles, and other geometric shapes are used to represent different components or features in a technical drawing.

3. Arrows: Arrows are used to indicate the direction of movement or flow, as well as to show dimensions or measurements.

4. Symbols: Various symbols are used to represent specific elements or components in a technical drawing, such as electrical symbols, mechanical symbols, and architectural symbols.

5. Text: Text is used to provide labels, dimensions, notes, and other information in a technical drawing.

6. Hatching: Hatching is used to indicate different materials or textures in a technical drawing, such as cross-hatching to represent a cutaway view.

7. Scales: Scales are used to indicate the size or proportion of objects in a technical drawing, such as a scale bar or scale factor.

8. Grids: Grids are used to help align and organize elements in a technical drawing, such as a Cartesian grid for plotting points or a polar grid for drawing circles.

9. Symbols for welding: Symbols are used to represent different types of welds, such as fillet welds, groove welds, and plug welds.

10. Symbols for fasteners: Symbols are used to represent different types of fasteners, such as bolts, screws, nuts, and washers.
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Google Gemini AI
Sep 3, 2024
Lines and Borders

- Solid thick line: Visible edges
- Solid thin line: Hidden edges
- Dashed line: Centerlines and cutting planes
- Dotted line: Extension lines and construction lines
- Chain-dotted line: Dimension lines

Circles and Arcs

- Circle: Full circle
- Arc: A portion of a circle

Triangles

- Equilateral triangle: Right-hand auxiliary view
- Right-angled triangle: Left-hand auxiliary view

Squares and Rectangles

- Square: Partial view
- Rectangle: Full view

Other Symbols

- Diameter symbol: A phi symbol (Ø) with a line through it
- Radius symbol: A lowercase "r" with a line over it
- Center mark: A small cross or circle at the center of a circle or arc
- Surface texture symbol: A triangle with short parallel lines inside
- Welding symbol: A triangle with a circle and a horizontal line inside
- General tolerance symbol: A box around the dimension value
- Geometric dimensioning and tolerancing (GD&T) symbols: Various symbols used to define the geometric characteristics of a part
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