What are the standards relating to technical drawing?
ISO 128 is an international standard (ISO), about the general principles of presentation in technical drawings, specifically the graphical representation of objects on technical drawings.
Which drawing standard is used in India?
International Standard Organisation (ISO) Geneva, has formulated and issued such international standards for engineering drawing, for which our country has given approval and accordingly modified the Indian Standard IS:696-1972 to come up with IS:10714 -1983.
Is standard for drawing?
This standard specifies general principles for presenting views, applicable to all kinds of technical drawings (mechanical, electrical, architectural, civil engineering, etc), following the orthographic projection methods specified in ISO 5456-2.
What is ISO standards in technical drawing?
In all, ISO 128 specifies the graphical representation of objects on technical drawings with the aim of facilitating the international exchange of information on drawings and ensuring their uniformity in a comprehensive system relating to several technical functions.
What are the tools in technical drafting?
What does professional equipment for technical drawing consist of?
- Mechanical pencils.
- Clutch pencils.
- Technical pens.
- Rulers.
- Compass.
- Drawing boards.
- Erasers.
- Sharpeners.
Why do we use BS 8888?
BS 8888 ensures that its users have access to one reference source with all the relevant information; enables you to speak the same language when specifying and graphically representing products; provides precision and accuracy, leaving no room for misinterpretation; helps the smooth transfer of the design concept to …
What are the ISO standards for technical drawings?
Members of ISO and IEC maintain registers “ofcurrently valid International Standards. ISO 128-24:1999, Technics/ drawings — General principles of presentation — Part 24: engineering drawings. ISO 3098-0, Technical product documentation — Lettering — Part O:General requirements.
What are the requirements for a technical drawing?
ISO 3098-0, Technical product documentation — Lettering — Part O:General requirements. Lines on mechanical ISO 5456-2, Technical drawings — Projection methods — Part 2: Orthographic representations. ISO 6428, Technical drawings — Requirements for microcopying.
What are the components of a standard drawing?
A standard componentin this drawing standard is an unaltered component for which no detail drawing is included because the part is to be procured from a source which fabricates that component to that source’s specifications. The three components of a set of working drawings are: 1. Detail drawings of each part to be fabricated 2.
How are modification drawings used in the engineering field?
Modification drawings delineate changes to delivered items, stockable items (e.g., Standard Part Drawing of honeycomb panel blanks), assemblies, installations, or systems. Drawings are prepared to add, remove, or rework items, equipment installations, or systems to satisfy the using activity’s requirements.