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Leading bipolar plate solutions

High-volume production of bipolar plates

In order to produce metallic bipolar plates economically and on an industrial scale, the forming and welding process must meet the highest requirements. For the heart of a fuel cell, tightness, precision, and repeatability are extremely important.

Starting in 2023, we will manufacture high-precision bipolar plates in large-scale production. In China we are going to setup an integrated process comprising FEINforming, FLEX Welding and FLEX Inspection.

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High precision
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High quality
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High efficiency
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High-tech machinery
  • Production capacity: 10,000,000 bipolar plates per year
  • High-tech machinery and tools for bipolar plates
  • Prototypes, pre-series and mass production
  • Quality without compromises
  • > 10 years of experience in the automotive industry in China
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Precise and efficient technologies

FEINforming

Advantage through precision

FEINforming makes it possible to process metals of the thinnest material thicknesses with minimal tolerances, and maximum precision. Optimizing the use of materials, design implementation, and production unlocks the high potential to cut costs and increase the efficiency of fuel cell technology.

  • Continuous homogeneity of the channel height without fluctuations in the resulting material thickness
  • Exact positioned reference points for laser welding
  • Simultaneous cutting of inner and outer shapes for maximum precision
  • Implementation of extremely small radii
  • Specific transfer system for high throughput
  • Just a few production steps

FLEX Welding

Advantage through efficiency

The efficient use of lasers in industrial manufacturing are among SITEC’s core competencies for more than 30 years. Lasers work extremely fast, produce excellent weld seams and create virtually distortion-free components.

  • Low heat input for minimal deformation
  • Intelligent fixtures – bases for tight weld seems
  • Highest contour precision
  • Extremely cost-efficient process through highest welding speeds

FLEX Inspection

Advantage through quality

SITEC integrates the laser as well as high-tech welding optics and intelligent monitoring systems into automated production lines for bipolar plates. The use of high-resolution optical inspection systems ensures 100% quality control and integrated traceability.

  • High performance leak test
  • High resolution automated optical inspection
  • DMC marking for 100% traceability

SITEC & FEINTOOL

Worldwide successful - a strong partnership.
Worldwide successful - a strong partnership.

Getting the best from two leading technology partners from Europe. Well introduced in China in order to produce metallic bipolar plates economically and on an industrial scale.

Automation. All inclusive.
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sitec-technology.de
Expanding Horizons
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feintool.com
Automation. All inclusive.

SITEC is an internationally valued partner and system supplier for automated high-tech production systems and the series production of precision parts and assemblies.

Based on the highest quality and environmental standards, SITEC offers efficient manufacturing technologies as well as complete key solutions.

SITEC grows with the challenges of its customers and the market, such as the development of new products in the field of e-mobility. Fully automated laser processing systems for laser welding, in particular of copper, for components in e-drives, battery systems and power electronics are now part of the portfolio.

In addition, the company has been producing laser-welded bipolar plates of various designs to customer order within series production since 2012.

Founded in 1991 and headquartered in Chemnitz (Germany), the company serves Asian markets directly on site via SITEC Laser Technology (Shanghai) and operates a showroom in the USA (Pittsburgh).

sitec-technology.de
Expanding Horizons

Feintool is an internationally acting technology and market leader in the business area of fineblanking. This technology is characterized by high-quality-standards and cost-effectiveness. The company produces fineblanked goods, formed steel components and punched electro sheet metal products.

As an innovation driver, Feintool is consistently expanding the horizons of these technologies and developing smart solutions to meet customer requirements. Feintool offers complete production of precise fineblanked and formed components as well as punched electro sheet metal products in high volumes for demanding applications in the automotive, industrial and energy industry.

The processes used by Feintool are ideally suited to implement automobile industry trends. Feintool is a project and development partner in the field of lightweight construction/ sustainability, module variations/ platforms and alternative drive concepts such as hybrid and electric drives.

The company, established in 1959 and headquartered in Lyss (Switzerland), owns production plants and technology centers in Europe, the United States, China and Japan. It is crucial to the company to be geographically close to its customers at all times. Around 3,500 employees and 100 apprentices work globally to develop new solutions and create key advantages for Feintool customers.

feintool.com

VISIT US AT THE FOLLOWING EVENTS & FAIRS

FCVE – HYDROGEN FUEL AND HYDROGEN REFUELING STATION TECHNOLOGY EXHIBITION
March 7 – 9, 2023 | Shanghai New International Expo Center

International conference and exhibition for hydrogen energy and fuel cell technologies.

Visit us at our booth E4-4045.

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