Graphical Communications Course Projects

Siemens NX CAD Designing

  • Sprocket

  • Connector

  • Bracket

  • Mounting Plate

  • Ball Knob

  • U Joint

  • Shaft

  • Lamb

  • Clevis Bracket

  • Rod End

  • Support Bracket

  • Wheel Hub

Course Introduction

  • Title: Graphical Communications with Siemens NX

  • Course Name: Technical Drafting and 3D Modeling

  • Software Used: Siemens NX 1953

  • Focus: In-depth training on precision 3D CAD modeling, technical drafting, and mechanical assembly design according to industry standards.

Objective

  • Goal: To acquire and demonstrate a professional level of proficiency in creating detailed 3D models, producing accurate technical drafts, and constructing functional mechanical assemblies using Siemens NX.

Coursework and Projects

  • Engineering Standards Mastery: Delved into ISO and ANSI standards to ensure that all designs and drafts met professional engineering criteria.

  • 3D Modeling Skills: Developed complex models, such as threaded fasteners, gears, and pivot joints, focusing on precise geometry and surface finish.

  • Drafting Techniques: Produced technical drawings complete with orthographic projections, section views, and detailed annotations, ensuring readability and manufacturability.

  • Assembly and Mechanism Design: Assembled a series of components, like bearings, shafts, and linkages, to create a working crank pump, paying close attention to tolerance fits and range of motion.

Project Descriptions

  • Individual Components: Created models such as a flanged bushing, spur gear, and connecting rod, applying constraints and feature relations to ensure assembly readiness.

  • Drafting Application: Reversed the 3D process to draft, detailing each component with dimensioning and tolerances, simulating the process of preparing drawings for fabrication.

  • Mechanical Assembly: Executed the assembly of a multi-part crank pump, demonstrating an understanding of kinematic pairs and motion simulation to verify the mechanism's functionality.

Assessment and Feedback

  • Performance Metrics: Evaluated on the precision of 3D models against complex geometric specifications and the accuracy of draft dimensions and notations.

  • Instructor Feedback: Constructive feedback highlighted the importance of design intent and functional analysis in part and assembly creation.

Personal Growth and Reflection

  • Insights Gained: Gained a deep understanding of the mechanical design lifecycle, from initial concept through to design validation.

  • Professional Skill Application: Prepared to contribute effectively to engineering teams, with the ability to take conceptual designs to fully realized mechanical systems.

Course Completion

  • Outcome: A comprehensive portfolio demonstrating the ability to translate engineering concepts into tangible products, ready to face the challenges of a professional mechanical engineering role.