Manufacturing & Capabilities

Built to Perform, Designed to Last

Chuhatsu North America is dedicated to creating high-quality, reliable products by focusing on rigorous testing, innovative technology, and ongoing improvement. Every stage of our manufacturing process is carefully designed to ensure our products meet and exceed industry standards in durability and performance. Discover the measures we take to uphold this commitment.

a torsion spring being manufactured

Leveraging Advanced Technology in Manufacturing

With the latest in technology and innovation, Chuhatsu North America—alongside our parent company, Chuo Spring—uses state-of-the-art tools to design, produce, and refine our products and manufacturing processes. This commitment to advanced technology enables us to deliver consistent quality and stay at the forefront of industry standards.

At Chuhatsu North America, we embrace Kaizen—continuous improvement—as a core component of our manufacturing philosophy. This approach enables us to:

  • Enhance product quality by refining processes to reduce variability and eliminate waste.
  • Improve manufacturing efficiency and reduce lead times to meet our customers’ needs promptly.
  • Create a better work environment, supporting the well-being and productivity of our employees.

Through our parent company, Chuo Spring, we offer a dedicated design and development team with decades of expertise. We are here to support our customers in creating innovative solutions tailored to their specific needs.

Our facility is equipped to scale production to accommodate large orders and unique requirements, ensuring a seamless experience from order placement to delivery. With flexibility and adaptability, we tailor our production process to align with each customer’s needs.

Chuhatsu North America uses a diverse range of materials in our springs and cables, including various types of steel, rubber, and plastic, selected to provide strength, durability, and reliability in each application. We do not include any conflict materials in our manufactured products or material procurement.

We adhere to stringent environmental standards, including ISO 14001-2015, to ensure that our processes and products are as sustainable and responsible as possible.

 

Benefits for Automotive Applications

When you choose Chuhatsu North America’s products for automotive applications, you benefit from over 34 years of local manufacturing expertise and over 75 years of innovation and knowledge from our parent company, Chuo Spring. Our products bring proven reliability, enhanced performance, and an unwavering commitment to quality.

At Chuhatsu North America, we’re here to exceed expectations, delivering the quality, reliability, and innovation our customers have come to trust.

Ensuring Product Durability through Rigorous Testing

To guarantee the durability and reliability of our products, Chuhatsu North America employs a series of meticulous testing procedures.

Residual Stress Measurement

Through X-ray diffraction, we measure residual stress within springs to enhance their resilience and performance.

Valve Spring Stress Evaluation

Stress amplitude in valve springs is evaluated under engine conditions to replicate real-world use.

Material Structure Analysis

Our metallographic microscope allows us to observe and confirm the internal structure of materials, ensuring optimal performance and reliability.

Durability Testing

We conduct specialized tests for spring durability to confirm that each product meets rigorous longevity standards.

Corrosion Resistance Testing

Our spring surface treatments undergo corrosion resistance tests to ensure they withstand various environmental factors.

Microscopic Examination

Using SEM (Scanning Electron Microscopy), we carefully observe for any microscopic flaws in springs, ensuring only the best materials are used.