China die casting servo motor manufacturers have broken the monopoly of international giants such as LK in Germany and Ube in Japan.
LK Group
LK Technology is the world’s leading manufacturer of die-casting machines.
And its E-PRESS series cold-chamber die-casting machines adopt all-electric mold clamping technology.
Which realizes the high-frequency response servo motor drive mold clamping mechanism for the first time in China.
With a clamping displacement control accuracy of 0.01mm and a 10% shortening of the mold opening cycle.
The products cover the specifications of 125T to 4500T die-casting machines.
And support the integrated die-casting of complex structural parts.
Technical advantages
High-precision double closed-loop real-time control technology.
Injection pressure up to 210bar, suitable for aluminum alloy, magnesium alloy and other high-demand materials.
Intelligent adaptive algorithms and high-speed braking technology improve system stability and safety.
In the field of ultra-large die-casting machines (more than 6000T), the global market share is as high as 90%.
And Tesla, Wencan and other companies use its equipment.
Haitian Precision and Haitian Metal
Haitian Metal is one of the few companies in the world that can produce more than 6000T die casting machines.
And its BFH2030D double five-axis high-speed milling center is designed for large-scale integrated die castings.
Supporting 11-axis synchronous operation with a tool change time of only 5 seconds.
Haitian Precision’s gantry machining center and die-casting machine are sold in synergy to provide overall solutions for the automotive industry chain.
Technical advantages
The linear axis is driven by a linear motor, and the rotary axis is directly driven by a torque motor to achieve high-speed movement and long-term stability.
The servo liquid-cooled motor covers 130mm-445mm frame size, has strong anti-demagnetization ability.
And overload performance is up to 3 times the rated torque.
Which is suitable for high-temperature die-casting environment.
Dongguan Taijiasheng
Focusing on the research and development of servo-hydraulic systems and motors.
The core products include special servo motors for injection molding machines/die-casting machines.
Liquid-cooled motors, etc., with an annual production capacity of 10 units and a delivery time of 15 days.
Technical advantages
Using a new generation of energy-saving servo technology, it saves 40%-70% energy compared with traditional die-casting machines.
The pressure response time is 30ms, and the efficiency is increased by 5%-12%.
The self-developed “never demagnetized” self-excited servo motor solves the hidden danger of demagnetization of permanent magnet synchronous motor and has obtained a number of patent certifications.
Bengbu Longhua
Provide die-casting machines, automated robots and peripheral equipment, covering 125T to 3000T injection chamber specifications, suitable for a wide range of mold temperature difference (50-400°C).
Technical advantages
With 52 patents, including 12 invention patents, the products are exported to more than 50 countries.
And the customer satisfaction score is 5.0 points (delivery speed, service attitude) in the service evaluation.
The die-casting machine adopts no moisture residue spraying technology to reduce porosity and save the cost of release agent.
FESS
Production of 380V AC permanent magnet synchronous servo motors.
Such as U31005F, U31013, specially designed for die casting machines, injection molding machines, support high torque output.
Technical advantages
The embedded liquid cooling structure improves the performance of weak magnetic field and overspeed, and is suitable for high temperature and high load conditions.
The products are suitable for vulcanizing machines, injection molding machines and other scenarios, and customers include Foxconn, BYD, etc.
Yunsen
Provide permanent magnet synchronous servo motor and servo riveting machine to support precision control of die-casting, injection molding, vulcanization and other processes.
Technical advantages
High-precision pressure closed-loop control, positioning error ≤0.2mm, suitable for hot pressing molding in electronic hardware die-casting industry.
Pinjialing Intelligent
Focus on servo presses and riveting equipment, product positioning accuracy ± 0.01mm.
Pressure accuracy 0.5% F.S, support non-standard customized production lines.
Technical advantages
The servo press adopts a torque amplification design, the sliding speed is programmable.
And the energy consumption is 30% lower than that of the traditional mechanical press.
Automotive suppliers in 25 countries around the world use its equipment.
And its core technologies cover cutting-edge fields such as nano-silver sintering and vacuum systems.
Baojie Lamination
Specializing in the production of servo motor stator and rotor cores, with an annual production capacity of 32 million sets, the products are used in new energy vehicles, robots and other fields.
Technical advantages
The introduction of digital twin technology optimizes factory planning, increases production efficiency by 15%, and reduces the defective product rate by 10%.
It has more than 90 patents, including the patent of “heat dissipation structure servo motor core”.
Which effectively solves the problem of high-load heat dissipation.
Yuhuasheng Hardware
Focus on brushless motor, servo motor core die-casting, products in line with American standard, German standard and other international standards, support one-stop customization service.
Technical advantages
The use of high-precision molds and high-quality raw materials to ensure the surface finish.
And dimensional accuracy of die castings, the cost is reduced by 20% compared with the traditional process.
Yizumi
The domestic market share is about 14%, mainly targeting the mid-to-high-end market.
And is a leading supplier in the 3C electronics and automotive industries.
The core technology is the LEAP series die-casting machine, which has a dynamic injection response time of < 30ms,
And the precise control error of the clamping force is ≤1%.
In addition, the energy consumption of the servo-hydraulic system is reduced by 60% and has been certified by TÜV in Germany.
At the same time, Yizumi is the core equipment supplier of Huawei and Xiaomi mobile phone frame die-castings.
Renxing Machinery
Magnesium alloy die-casting equipment, spanning models from 125T to 4000T, demonstrates significant advancements in both material efficiency and precision manufacturing.
Notably, the material utilization rate has been increased by 20% through the implementation of specialized furnace anti-oxidation technology .
This innovation addresses magnesium’s inherent flammability and oxidation challenges during melting, which traditionally lead to material waste.
For instance, microarc oxidation (MAO) coatings and CaO-rich protective layers have proven effective in forming dense oxide films, thereby reducing melt loss .
Simultaneously, these systems integrate optimized high-speed injection mechanisms capable of achieving velocities exceeding 500mm/s.
Specifically engineered for producing ultra-thin wall components (<0.8mm thickness) such as laptop casings .
The synergy between thermal management and rapid injection enables precise filling of intricate molds while maintaining structural integrity in thin-walled geometries.
Ningbo Haichen Machinery
Provide small and medium-sized precision die-casting machines (25T-2000T).
Including hot chamber die-casting machines and cold-chamber die-casting machines, focusing on high cost performance.
Among them, the modular design allows for quick changeovers, and the mold change time is reduced to 15 minutes.
Production cases include zinc alloy and aluminum alloy precision parts (such as connectors and heat sinks).
Suzhou Sanji
Focus on semi-solid die-casting technology, mainly automotive lightweight components.
Their solid slurry preparation system has a solid-state ratio control accuracy of ±3%.
The tensile strength of die-casting parts is increased by 15%, which is used in the motor housing of new energy vehicles.
