Massage Machine Design

Project Objective: Design a versatile and efficient massage machine capable of delivering therapeutic back massages through both vertical and horizontal movements.

Project Conceptualization

Inspiration: To fill a market gap for an affordable, versatile, and efficient home-use massage device.

Target Audience: Individuals seeking therapeutic back massage solutions at home.

Design Evolution

Initial Concept: Focused on establishing basic movement mechanics using linear actuators and guide rails.

  • Intermediate Designs: Featured improvements in stability, material robustness, and ease of maintenance.

  • Final Design: An optimized system with an aluminum frame, advanced motion control, and a user-friendly interface.

Technical Specifications

  • Actuator System: 12V input, 150 kg max push load, 10 mm/s travel speed.
  • Motion Control: Chain and sprocket system driven by a geared DC motor, ensuring smooth horizontal movement.
  • Spring Mechanism: Stainless Steel 302 springs for safety and durability.
  • Roller Change Mechanism: Quick-release for easy tool swapping.
  • Frame and Support: Replaced earlier wooden models with a more robust aluminum frame for strength and ease of assembly.

Simulation and Testing

  • Methodology: Computer simulations and experimental tests for performance and stability assessment.
  • Key Findings: Confirmed the system’s force consistency, component durability, and safety compliance.

Challenges and Solutions

  • Stability Issues: Overcome by switching to more robust materials and adjusting component alignments.
  • Design Simplification: Achieved through reducing mechanical complexity to enhance reliability.
  • Cost-Effectiveness: Balanced high performance with cost considerations to remain competitive in the market.

Future Enhancements

  • Smart Technology Integration: To provide personalized massage experiences.
  • Material Durability Optimization: Continuing focus on material research for longevity.


  • Key Achievements: Development of a versatile, user-friendly, and efficient massage machine.
  • Significance: This represents a significant contribution to home-based therapeutic devices.