International Journal of Computer Techniques Volume 12 Issue 4 | Dimensioning Techniques in Engineering Drawings

Dimensioning Techniques in Engineering Drawings | IJCT Journal

Dimensioning Techniques in Engineering Drawings

Authors: Mr. Rahul Ghotkar, Ms. Amisha Malviya, Mr. Rahul Khobragade

Journal: International Journal of Computer Techniques (IJCT)

Volume: 12 | Issue: 4 | Publication Date: July – August 2025

ISSN: 2394-2231 | Journal URL: https://ijctjournal.org/

Abstract

Dimensioning is a core element of engineering drawings that communicates the size, shape, and location of features. This paper reviews traditional and modern dimensioning techniques, evaluates their impact on design clarity and manufacturability, and compares manual vs. CAD-based methods. It emphasizes global standards like ISO 129-1 and ASME Y14.5, and highlights the role of GD&T, Model-Based Definition (MBD), and digital twin technologies in modern engineering workflows.

Keywords

Dimensioning, Engineering Drawing, Linear Dimensioning, GD&T, ISO 129, ASME Y14.5, CAD Drafting, Tolerancing, Technical Communication, Manufacturing Accuracy

Conclusion

The study concludes that effective dimensioning is essential for manufacturing accuracy and design communication. While traditional methods remain relevant, modern CAD tools and GD&T frameworks offer superior precision. Training, standard compliance, and digital integration are key to improving drawing quality and reducing production errors.

References

Includes 40 references from ISO, ASME, BIS, and leading journals on engineering graphics, CAD/CAM, GD&T, and manufacturing systems.

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