Search results
Results From The WOW.Com Content Network
In the 20th century, technical drawing underwent yet another transformation with the introduction of drafting tools such as the T-square, compasses, and protractors. These tools helped drafters achieve the high degree of precision necessary for increasingly complex projects, such as skyscrapers, airplanes, and automobiles.
A solution to these problems was the introduction of the mechanical "drafting machine", an application of the pantograph (sometimes referred to incorrectly as a "pentagraph" in these situations) which allowed the drafter to have an accurate right angle at any point on the page quickly. These machines often included the ability to change the ...
The terms computer-aided drafting (CAD) and computer-aided design and drafting (CADD) are also used. [2] Its use in designing electronic systems is known as electronic design automation (EDA). In mechanical design it is known as mechanical design automation (MDA), which includes the process of creating a technical drawing with the use of ...
In the process industry, a standard set of symbols is used to prepare drawings of processes. The instrument symbols used in these drawings are generally based on International Society of Automation (ISA) Standard S5.1; The primary schematic drawing used for laying out a process control installation. They usually contain the following information:
One goal of CAD is to allow quicker iterations in the design process; [9] another is to enable smoothly transitioning to the CAM stage. [10] Although manually created drawings historically facilitated "a designer's goal of displaying an idea," [11] it did not result in a machine-readable result that could be modified and subsequently be used to directly build a prototype. [12]
ISO 128-44:2001 Technical drawings — General principles of presentation — Part 44: Sections on mechanical engineering drawings ISO 128-50:2001 Technical drawings — General principles of presentation — Part 50: Basic conventions for representing areas on cuts and sections
ME 202, Machine Drawing and Computer Graphics is the advanced subject of Mechanical Engineering drawing for second year (I semester) students, at College of Engineering, Pune. The course is offered to two divisions of Mechanical Engineering. Each division has a strength of nearly 88 students, thus totaling nearly 177.
CAD model and CNC machined part. Computer-aided manufacturing (CAM) also known as computer-aided modeling or computer-aided machining [1] [2] [3] is the use of software to control machine tools in the manufacturing of work pieces.