Cart Part Design & Engineering Development
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Cart Part Design & Engineering Development

AutoCADSketchUp 3DStructural AnalysisDFMErgonomics
projectDetail.role

Mechanical Design Engineer

projectDetail.year

2024

projectDetail.duration

3 Months

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projectDetail.industrialAutomation

projectDetail.theChallenge

Previous carts lacked standardization, causing storage inefficiencies and workflow delays. Structural instability posed safety risks, while poor design led to a high rate of part defects (scratches) during transport. High repair costs and frequent downtime were major pain points.

projectDetail.theSolution

Executed a complete engineering workflow: from conceptual design to 2D technical drawings in AutoCAD and 3D visualization in SketchUp 3D. The new design focuses on structural integrity, user ergonomics, and optimized material usage to ensure durability and safety.

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After
Before
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Overall Design
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Requirement

User Needs

Design

AutoCAD & SketchUp

Analysis

Load Calculation

Fabrication

Production
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projectDetail.lessonsLearned

- Weight vs. Strength Dilemma: A highly durable cart was initially too heavy for operators to push safely. I utilized structural analysis principles to identify low-stress areas, safely reducing frame material thickness (Lightweighting) while maintaining the structural safety factor. - DFM (Design for Manufacturing): The initial prototype had complex welding joints which increased fabrication costs. I redesigned the joints in AutoCAD to use standard modular extrusions, cutting fabrication time and costs by 20 percent.

projectDetail.businessImpact

Defects Down 80 Percent | Lifespan Up 50 Percent | Saving 40k THB/yr

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Designed and developed a customized Cart Part System for production and maintenance use. The project covered the complete engineering workflow, starting from design concept, 2D technical drawing, 3D modeling, load calculation, material selection, and fabrication support, ensuring that the cart meets durability, safety, and ergonomic requirements for factory operations. [ Key Features ] - Full conceptual design based on user requirements. - 2D technical drawings with accurate dimensions and tolerances using AutoCAD. - 3D visualization for structure clarity and assembly understanding using SketchUp 3D. - Material selection based on load-bearing capacity and safety standards. - Weight and strength calculation for structural integrity. [ Impact & Improvements ] - Improved safety and stability through proper structure analysis. - Standardized cart size, improving workflow and storage efficiency. - Enhanced durability resulting in lifespan increased by 30 to 50 percent. - Reduced handling time by 20 to 40 percent. - Improved part protection resulting in 80 percent fewer scratches and defects. [ Cost Saving & Business Value ] - Reduced repair and replacement costs by 15,000 to 40,000 THB per year. - Optimized materials led to 10 to 20 percent lower fabrication cost. - Reduced downtime from damaged carts. - Improved workflow efficiency resulting in a 5 to 15 percent productivity gain.

projects.technologies

  • AutoCAD
  • SketchUp 3D
  • Structural Analysis
  • DFM
  • Ergonomics

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projects.totalAssets: 3
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