Mastering Spring Design: A Practical Course for Engineers

Overview of Spring Design Seminar

The IR Technical Education Institute is set to host a seminar titled, "Mastering Spring Design: A Practical Course for Engineers". The course aims to impart essential knowledge regarding the design of compression, tension, and torsion springs.

In an era characterized by the miniaturization and performance enhancement of products, springs have emerged as indispensable mechanical components. Yet, even minor errors in spring design can lead to significant issues such as breakage, fatigue, and reduced lifespans. This seminar is tailored to tackle such concerns by providing hands-on knowledge on stress calculations, fatigue design, and material selection from a practical viewpoint. The course will also present examples of how to create design documents using Excel, enabling participants to articulate their design rationale effectively.

Seminar Details

- Seminar Name: Mastering Spring Design: A Practical Course for Engineers
- Format: Online via Zoom
- Date: March 17, 2026 (Tuesday) from 10:00 AM to 5:00 PM JST
- Fee: ¥49,500 (including tax) per participant
- Instructor: Keiichi Suzuki, Engineer (Suzuki Engineering Office)

Course Outline

The seminar will guide participants through common troubles associated with spring design, covering aspects from calculations to evaluation and document creation.

Seminar Program

1. Fundamentals of Springs
- Understanding the role of springs and their importance in mechanical design
- Overview of main types of springs (compression, tension, torsion) along with their characteristics and applications
- Types of materials, basic properties, and key considerations during material selection (corrosion resistance, temperature characteristics, forming methods)
- Common pitfalls and preventive measures (over-reliance on material strength, neglecting corrosive environments)
- Types of spring failures (static fracture / cyclic fatigue failure) and the foundational knowledge needed for fatigue design

2. Design of Compression Springs
- Basic structure and terminology (free length, spring constant, pitch, etc.)
- Load-deflection relationship and fundamental design equations, C-value and stress concentration
- Stress calculation (maximum/minimum shear stress), steps for fatigue design
- Examples of countermeasures (optimizing C-value, shot peening, setting, low-temperature annealing)

3. Design of Tension Springs
- Structure (coil section, hook section) and terminology (initial tension)
- Examples of operating failures due to initial tension settings, stress concentration at hook sections
- Steps for fatigue design, identification and countermeasures for design errors in hook shapes (reinforcing coils, etc.)

4. Design of Torsion Springs
- Structure (arm, winding direction, support methods) and design equations
- Impact of winding direction and installation direction on lifespan
- Bending stress calculations, fatigue evaluations, identifying design errors that lead to premature failure and potential solutions (R treatment, support design, etc.)

5. Evaluating Design Calculations and Creating Design Documents (Practical Exercise)
- Engage in design tasks for compression, tension, and torsion springs
- Material selection, stress calculations, and fatigue strength assessments based on specifications
- Introduction of a reusable design format using Excel

Target Audience

This course is ideal for:

- Engineers involved in mechanical design and technical drawing
- Individuals keen to deepen their knowledge in spring design
- Professionals wanting to boost their confidence in selecting and calculating springs
- Designers aiming to prevent spring-related issues during the design phase

To learn more about the seminar, please visit: IR Technical Education

The IR Technical Education Institute continues to provide practical knowledge and techniques through its workshops and e-learning solutions for the manufacturing industry.

Company Overview
Nihon IR Corporation, with over 50 years of expertise, delivers a wide range of specialized practical services anchored in technology, including patent and intellectual property solutions, technical information analysis, technician education for manufacturing, and content creation. For further information, visit Nihon IR or IR Technical Education Institute.

Location
Chiyoda, Tokyo, Japan, 101-0033,
Kanda Iwamotocho 15-1, 3rd floor CYK Kanda Iwamotocho
Contact: 03-6206-4966