Mechanical pencils for technical drawings - Part 1: Classification, dimensions, performance requirements and testing
Also Known As:
A standard called ISO 9177-1:2016 offers instructions for categorizing, measuring, requiring, and testing mechanical pencils used for technical drawings. The standard strives to guarantee reliability and excellence in the appearance and usability of these pencils.
The standard provides specific parameters for each group of mechanical pencils based on the lead diameter. This makes sure that consumers are aware of the pencil's size and suitability for certain jobs.
The standard's performance requirements address elements including robustness, lead retention, and usability. These specifications guarantee that the mechanical pencils adhere to strict performance and functional guidelines.
Manufacturers can assess their mechanical pencils against the set performance standards using the testing methodologies outlined in the standard. Technical drawing programs can work consistently and dependably when certain practices are followed.
Edition | 3 |
ICS Codes | 01.100.40 - Drawing equipment 97.180 - Miscellaneous domestic and commercial equipment |
Language(s) | English |
File Size | 614.4 KB |