Comau
Comau’s SmartCell robotic workcell technology incorporates machining center-style rapid tool-change features, enhancing reliability, operational efficiency, and flexibility.
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Comau
Comau’s SmartCell robotic workcell technology incorporates machining center-style rapid tool-change features, enhancing reliability, operational efficiency, and flexibility.
Global provider of advanced automation systems Comau recently designed and developed an end-to-end automation technology for Li Auto’s next-generation electric vehicle (EV) range extender engine production line.
The system will allow the Chinese EV manufacturer to reach an annual production capacity of up to 400,000 units.
Comau said its full-value-chain offering, which includes concept design, system simulation, assembly, and commissioning, highlights Comau’s ability to support the dynamic demands of the fast-growing EV market with high-performance automotive manufacturing systems and enabling technologies.
“Li Auto’s ambitions in electric vehicles require trusted partners like Comau, whose commitment to advanced automation and cutting-edge technology aligns with our vision for sustainable innovation,” said Ju Yubo, Li Auto director of range extender process development. “This strategic collaboration will drive new efficiencies and enhance manufacturing quality, supporting the development of competitive models that meet the discerning expectations of EV consumers.”
The integrated automation system, which covers the interior, exterior, cylinder head, and piston-connecting rod assembly lines, has enhanced reliability, operational efficiency, and flexibility.
Featuring a combination of 45 automatic and semi-automatic machines, in addition to 15 cobots, the system has been designed to ensure rapid adaptability for future range extender models.
Comau said a key advantage of its system is its patented SmartCell technology. By incorporating machining center-style rapid tool-change features, the system achieved high-precision valve collet pressing across a wide range of cylinder head variants, with a production quality control pass rate exceeding 99%.
To improve process stability and reduce manual errors, Comau also deployed cobots with machine vision systems for tasks like spark plug and connecting rod cap installation. This addition enhanced precision and consistency while helping to lower operational costs.
Likewise, a six-axis robotic system replaced the traditional crankshaft assembly method, increasing flexibility, accuracy, and setup efficiency - all of which have proven essential in managing product variation and accelerating ramp-up.
“The close collaboration with Li Auto underscores Comau’s commitment to delivering highly flexible, scalable, and efficient automation solutions that enable our customers to meet their evolving needs long into the future,” said Jeff Yuan, Comau APAC leader. “Leveraging our ability to integrate robotics, patented technologies, and advanced digital tools to ensure superior performance and precision has allowed us to achieve a high level of automation and flexibility that can be easily scaled as market needs change.”
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