ENGINEERING DRAWING

ENGINEERING DRAWING

DRAWING

Engineering drawing (English: engineering drawing) is a kind of technical drawing (technical drawing), is a 2D chart or drawing to describe architectural drawings, structural drawings, mechanical drawings, electrical drawings, and piping drawings drawing methods. Drawings drawn with engineering drawing methods are called engineering drawings (English is engineering drawing(s)).

Usually the engineering drawing is to be drawn or printed on paper, but it can also be saved as a digital file. Including all the required information for the purpose of the collection, you can exclude unnecessary predictions.

DRAWING INTRODUCTION

Drawings are technical documents used by the engineering community to accurately express the shape, size and related technical requirements of objects. In modern times, the design, manufacture and construction, use and maintenance of all products and equipment such as machines, instruments and engineering buildings are realized through drawings.

 The designer expresses the design intent and requirements through the drawings. The manufacturer understands the design requirements and organizes the production and processing through the drawings. The user understands the product structure and performance, the correct use method and maintenance method according to the drawings.

Therefore, drawings, like words and numbers, are one of the important tools for expressing design intent, recording innovative ideas, and exchanging technical ideas. It is hailed as the technical language of the engineering world.

Engineering drawings are based on common agreed standards and specifications. Under the four goals of correct, rapid, clear and clean drawing, lines and characters are used to express the idea of   engineering design. It is also a language common to industry.

OVERVIEW

Engineering drawings are not to be completely realistic, but are drawn using appropriate drawing tools, effectively expressing and conveying design ideas. If the engineering drawing is more realistic than the photo or video presentation, it is not easy to develop training in traditional drawing, drawing is time-consuming and not in line with economic benefits. The use of photographs and photographic tools is applicable to existing engineering records and modifications, but it is not applicable to designs without actual engineering.

The description of the picture is not as accurate and direct as the text. In addition, for complex engineering design, the expression of the line is clearer and clearer than the text, so the engineering drawing is presented in line and lettering. Although the new 3D solid CAD software tools can easily achieve realistic design drawings, simulate real-world actions and generate images and animations in real-time dynamic multi-view, and can also print traditional drawings on layout, but traditional drawings are still relative The most fused mainstream communication method.

 

The engineering drawings are not abstract art paintings, and everyone has a very different artistic conception from the masterpieces of non-realistic art masters. The drafting specifications are formulated with abstract and simple line drawing methods, combined with representations composed of typographic symbols, to replace complex and realistic drawing, and provide a rapid representation method.

Artistic abstract painting layouts are everywhere, engineering layouts strive for cleanliness, layout layout, proportion and size; internal structure or local features; auxiliary charts and annotations are arranged in accordance with specifications.

 

Engineering drawings are different from general art drawings and video media. They are used for specific purposes of engineering. They are files for communication between relevant personnel in engineering design, engineering implementation, and inspection. They are common languages   for industry.

PURPOSE

The purpose of the engineering drawing is to unambiguously describe a place, object, and communication construction, manufacturing product or component of all geometric features.

The so-called engineering drawing refers to a single view, table, or a group of drawing engineering drawings. To be more precise, an engineering drawing refers to an orthographic projection looking down on an object, such as a plan view or plan view, often referred to as a technical drawing.

Engineering drawings are often referred to as blueprints. That's because the early days of computer drawing were not popular, using paper with white lines and blue background graphics produced in the process of chemical printing; or paper with blue lines and white background graphics, and now the popularization of computer graphics has replaced blueprints and replaced them with black or colored lines.Graphic paper.

THE PURPOSE OF LEARNING ENGINEERING DRAWINGS:

1.      Recognizing pictures: refers to being able to understand the pictures drawn by others and understand the shape of the objects described by them.

 

2.      Drafting: Refers to the equipment and utensils that can correctly use drafting, and will accurately conform to the original designer's ideas and opinions, and accurately draw a complete engineering drawing with graphics.

TYPES OF ENGINEERING DRAWINGS:

1.      Classification by use: design drawing, working drawing, explanatory drawing

 

2.      Classified by content: parts drawing, combination drawing, flow chart, symbol drawing, steel frame structure drawing, basic drawing

 

 

RESEARCH OBJECT

Engineering graphics takes drawings as its research object. In engineering technology, mechanical drawings expressing machines and their parts and civil drawings expressing building construction are collectively referred to as engineering drawings.

Engineering drawings can accurately and in detail represent the shape, size and technical requirements of engineering objects. Drawings are indispensable in mechanical design, manufacturing and building construction.

The designer expresses the design ideas through the drawings. The manufacturer manufactures, inspects, and debugs the drawings according to the drawings. The user uses the drawings to understand the structural performance. Therefore, the drawing is a collection of information on the whole process of product design, production and use.

At the same time, engineering drawings are also indispensable tools for engineering and technical exchanges and technical information transmission at home and abroad, and are the technical language of the engineering community.

Today, the information age has given new tasks to engineering graphics. With the development of computer science and technology, computer drawing technology has promoted the development of engineering design methods (from manual design to computer-aided design) and engineering drawing tools (from rulers to computers), changing the way of thinking and work of engineers and scientists program.

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