Clase #10 -Historia, importancia y clasificación del Dibujo Técnico.

History and Importance of Technical Drawing

Origins of Technical Drawing

• The need for graphic representations led to the inception of technical drawing, with early examples found in cave paintings depicting animals, celestial bodies, and human emotions.

• Written applications of technical drawing date back to 1650 BC with scribes like Ames calculating pyramid dimensions; significant contributions followed from Thales (600 BC), Pythagoras (500 BC), and Euclid (300 BC).

Evolution Through History

• Archimedes contributed calculations on volumes, while Apollonius studied conic sections around 200 BC. Vitruvius wrote an architectural treatise around 30 BC.

• Leonardo da Vinci utilized drawings to convey ideas for mechanical constructions in the year 1500, showcasing a critical approach to drawing that influenced future generations.

Transition to Modern Applications

• Over time, drawings evolved into abstract symbols; today they support various structures beyond pyramids, including palaces and temples.

• The mental image we create of the world is akin to a drawing; written language itself consists of letters designed as visual symbols for communication.

The Role of Technical Drawing Today

Definition and Functionality

• Technical drawing serves as a universal language for technological communication, essential for constructing industrial works that benefit humanity.

• It requires precise information adhering to international standards and conventions, emphasizing its importance in academic and personal development.

Digital vs. Manual Drawing

• While digital tools enhance precision and speed in technical drawing, manual skills remain fundamental. Digital methods are seen as tools rather than replacements.

Classification of Technical Drawings

Types of Technical Drawings

• Geometric Drawing:

• Describes geometric constructions such as rhombuses, ellipses, trapezoids, etc., incorporating design and mathematical calculations.

• Architectural Drawing:

• Focuses on presenting architectural details or spaces through plans or perspectives considering human dimensions (anthropometry).

Specialized Drawings

• Mechanical Drawing:

• Represents parts or assemblies of machines using various plan types like assembly or detail drawings.

• Electrical Drawing:

• Graphically represents electrical installations within buildings using specific symbols for components like circuit breakers and outlets.

Further Specializations in Technical Drawings

Advanced Applications

• Electronic Drawing:

• Illustrates circuits crucial for modern technology such as computers and medical devices.

• Geological Drawing:

• Used in geography to depict earth layers symbolically relevant for mining or oil exploration.

Topographical & Urban Planning Drawings

• Topographic Drawing:

• Graphically represents terrain features using established symbols indicating natural and artificial landmarks.

• Urban Planning Drawing:

Technical Drawing of Sanitary Installations

Overview of Architectural Drawing in Sanitation

• The technical drawing of sanitary installations is a crucial aspect of architectural design, focusing on the layout and positioning of sanitary fixtures.

• Key components represented in these drawings include showers, sinks (lavamanos), toilets (retrete), and their respective internal piping systems.

• The purpose of this technical drawing is to ensure accurate placement and functionality within the overall architectural plan.

• Understanding the integration of these elements is essential for effective plumbing and sanitation management in building projects.