China Likin and Xinlin Successfully Trial-Produce 3000-Ton TPI Magnesium Alloy Motor Housing
2026-06-06 15:45
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en.Wedoany.com Reported - Xinlin Mold recently completed the trial production of a magnesium alloy motor housing using Likin Group's 3000-ton TPI magnesium alloy semi-solid thixoforming equipment. The product's forming quality, mechanical properties, and lightweight indicators all met the expected targets, laying the foundation for subsequent mold finalization and customer sample verification.

Xinlin Mold has long been engaged in the research and development of large-scale integrated die-casting molds for Automotive Industry" target="_blank">new energy vehicles, providing mold development support for automakers such as BMW and Audi, and has maintained a strategic partnership with Likin Group for over two decades. The company operates two major production bases in Ningbo and Anhui, both fully equipped with Likin die-casting machines for mold trial runs, debugging, and sample production. Xinlin has accumulated substantial technical expertise in the structural design and forming process optimization of large precision die-casting molds. Likin, leveraging its self-developed TPI magnesium alloy semi-solid thixoforming technology and large-tonnage die-casting equipment manufacturing capabilities, supports Xinlin's new mold development through equipment customization, process calibration, and on-site technical guidance.

Likin's TPI magnesium alloy semi-solid forming technology is compatible with a full range of die-casting machines from 130 tons to 16,000 tons, making it particularly suitable for producing thick-walled products. This process operates on electrical energy without the need for protective gases, offering excellent energy efficiency. The formed castings exhibit superior toughness, which helps extend mold life. The equipment's strong versatility allows for rapid and flexible switching between magnesium and aluminum alloys, providing high production flexibility. Products cover forming applications in automotive engines, electric drive assemblies, body panels, door panels, and large components for embodied intelligent equipment such as humanoid robots.

The newly trial-produced new energy magnesium alloy motor housing, a core load-bearing component of the electric drive system, achieves multiple performance improvements using Likin's TPI technology. Magnesium alloy has a density approximately two-thirds that of aluminum, resulting in a weight reduction of over 30% compared to traditional aluminum alloy motor housings, helping to optimize vehicle range. The TPI process eliminates the need for protective gases during magnesium alloy melting, reducing overall energy consumption by 50% compared to conventional die casting, meeting green production requirements. This process is suitable for the continuous mass production of large motor housings with complex internal cavities, shortening production cycle times and reducing per-unit costs, making it viable for large-scale manufacturing.

During the mold cavity simulation optimization and on-site parameter adjustment process, Likin technical engineers worked on-site in collaboration with Xinlin Mold's cavity design expertise, resolving technical issues such as uneven filling and cooling deformation in large magnesium alloy housings, successfully completing the trial production and acceptance in a single attempt.

Likin Group stated that it will continue to iterate its full-tonnage TPI magnesium alloy semi-solid technology solutions, delivering comprehensive green die-casting solutions for automotive, energy storage, 3C precision manufacturing, and other fields. It will also deepen strategic cooperation with companies like Xinlin, supporting mold enterprises in new product development through equipment customization, process support, and on-site technical services, while refining the complete magnesium alloy semi-solid die-casting solution package.

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