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PieCube

PieCubePieCubePieCube

A Mechanical Freelancing Hub

A Mechanical Freelancing HubA Mechanical Freelancing HubA Mechanical Freelancing Hub

Ningaraj Doddaramannavar

A passionate and detail-oriented Mechanical Design Engineer specialized in Special Purpose Machine (SPM) design, jigs, and fixtures, with a strong inclination toward creative and technically challenging projects. Proficient in converting new concepts into manufacturable designs using advanced CAD tools, applying GD&T standards, and ensuring seamless coordination between design and assembly stages. Dedicated to achieving precision, performance, and innovation in every mechanical design delivered.

My Skills

🔹 Core Design Expertise

  • Skilled in SPM design, including pressing, rotation, and assembly-tightening machines.
  • Expertise in developing 2D manufacturing drawings and 3D CAD models with process-driven detailing.
  • Application of GD&T principles for tolerance accuracy and assembly fit.
  • Adept in conceptualizing automation mechanisms and integrating modern technologies into machine design.
  • Knowledge of critical component calculations for motion, load, and stress validations.

🔹 Software Proficiency

  • SolidWorks 2022 for 3D modeling, detailing, and motion simulation.
  • Performing kinematic and assembly simulations to validate mechanisms before prototyping.
  • Preparation of manufacturing-ready DXF files and flat pattern developments.
  • Utilization of customer-preferred standards and reference handbooks for design optimization.
  • Creating animations and visual presentations for machine operation understanding.

🔹 FE Modeling & Connections

  • Creation of FE models for BIW, interior trims, closures, and seating systems.
  • Execution of 1D connections such as beams, rigids, spot welds, and NRBs.
  • Proficient in defining contacts, constraints, and tie interfaces for realistic model behavior.
  • Ensuring mesh quality, element flow, and convergence per industry standards.
  • Generating query PPTs and quality reports to support design teams.

🔹 Key Projects Executed

  • Pull Test Machine: Designed for evaluating weld strength of battery terminal joints.
  • Boot Assembly Station: Developed rotation-based CV joint boot assembly system.
  • Baffle Plate Assembly Machine: Integrated washer lock pressing with oil leak testing setup.
  • Valve Seat & Valve Guide Pressing Machine: Engineered precise alignment with servo-based control.
  • Automatic Multi-Station Screwing Machine: Designed synchronized rotational system for high-efficiency production

🔹Technical Responsibilities & Manufacturing Knowledge

  • Handling design-to-production cycle — from CAD modeling to shop-floor clarification.
  • Coordinating with assembly operators for on-site modifications and process improvements.
  • Material selection and surface finish definition as per mechanical and aesthetic requirements.
  • Responsible for machine cost estimation aligned with customer specifications.
  • Practical exposure to Milling, Drilling, CNC Lathe, VMC, EDM, and Wire Cut operations.
  • Programming familiarity in Siemens-based CNC machining systems.

With a deep commitment to learning, problem-solving, and driving innovative solutions, I'm dedicated to exploring emerging technologies and product innovation.
I am eager to bring my expertise to new challenges and contribute to cutting-edge projects in the every industry.

My Work

Plummer Block (Pedastal Bearing)

I’m a hands-on design engineer who loves solving real-world problems through smart, efficient machines.


Doddaramannavar Ningaraj

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