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OEM/ODM Gearbox system die castings
Ningbo Jinyao Machinery Co., Ltd.

In the key link of automobile power transmission, gearbox system die castings play an indispensable and important role. As a professional factory integrating molds, high-pressure die casting, and processing, we carefully create high-quality gearbox system die castings for you.
Transmission system die castings are versatile and precise. They constitute key components of the transmission, such as the case, clutch housing, etc., providing solid support for the smooth operation of the gears and the smooth transmission of power. At the same time, the die castings of various shifting mechanisms ensure precise gear switching. 
In terms of function, the die-casting parts of the gearbox system perform excellently. They can withstand frequent gear shifting shocks and high torque transmission, ensuring stable operation of the gearbox under various working conditions. Good sealing performance prevents the leakage of lubricating oil and maintains the internal lubrication environment.
Core performance is the key advantage of gearbox system die castings. High strength and hardness keep it unchanged in complex mechanical movements, ensuring long-term reliability. Precise dimensional control and surface flatness ensure a close fit with other parts, reducing friction and energy loss. Our gearbox system die castings have outstanding product highlights. Advanced mold design and high-pressure die-casting technology give the product a complex and precise shape. From the selection of raw materials to the fine processing of the finished product, every process is strictly controlled to ensure that every gearbox system die casting has quality.
For example, the gearbox case die castings we produce have a solid structure and good heat dissipation performance, which effectively improves the working efficiency and service life of the gearbox. The carefully manufactured clutch housing gearbox system die castings, with precise installation holes and mechanical properties, provide a strong guarantee for the stable operation of the clutch. We will continue to strive to improve the quality and performance of the gearbox system die castings to meet your high standards for automotive power transmission systems.

Ningbo Jinyao Machinery Co., Ltd.

Ningbo Jinyao Machinery Co., Ltd. is a China Gearbox system die castings Suppliers and Gearbox system die castings Foundry . And is an enterprise integrating industry and trade, dedicated to the production of precision castings of aluminum alloy materials and the design and manufacture of high-pressure die-casting molds. Adopting advanced vacuuming, pin extrusion, and high-pressure spot cooling processes, it is a large-scale professional production base for diversified casting in China. It integrates a precision casting factory and a mechanical processing plant, and can produce precision castings and various types of castings annually. More than 10,000 tons, mainly exported to Japan, Sweden and other countries. Among the customers we cooperate with are many OEM customers of trains, cars, forklifts, outboards, communication equipment, lamps, furniture parts and engineering machinery, including the world's top 500 companies. , has become an important supplier of their precision castings in China.

Multiple Quality Certifications

We demonstrate our commitment to quality, safety and environmental responsibility by adhering to strict industry standards and complying with the relevant local regulations for our products.

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Gearbox System Die Castings: Precision Technology at the Core of the Drive
With the increasing performance requirements for transmission systems in automobiles, motorcycles, ships and industrial equipment, the design and manufacture of gearbox systems has become a key link in promoting the upgrading of power technology. Among the many manufacturing processes, aluminum alloy die castings (die castings) are widely used in gearbox housings, clutch housings, end covers and other key structural parts due to their excellent precision, light weight and structural complexity. Compared with traditional casting or forging processes, die castings can achieve high precision, high strength and mass production, which can not only reduce the overall manufacturing cost, but also significantly improve the durability and stability of the gearbox system.
Ningbo Jinyao Machinery Co., Ltd., as a manufacturer focusing on high-end die-casting parts, has accumulated profound technical advantages in the production of gearbox system parts with its many years of industry experience and advanced equipment resources. Jinyao has introduced a number of advanced die-casting machines from well-known brands, and also has high-precision CNC milling machines from Japan's Makino and Brother and the United States' Wheeler, which enables the company to have world-leading technical capabilities in the processing and secondary precision cutting of complex structural parts. Jinyao's production line is equipped with a flexible automatic deburring system and high-precision cutting equipment, which not only ensures the detail quality of each Gearbox system die castings, but also effectively shortens the delivery cycle.
Under the lightweight trend of the modern automotive industry, aluminum alloy and magnesium alloy die-castings have become the preferred materials for the Gearbox system due to their lightness, corrosion resistance and recyclability. Jinyao uses a full set of surface treatment equipment (including hanging polishing, horizontal polishing and vibration grinding) to provide perfect surface quality according to the different customized needs of customers. This full-process integrated service from mold manufacturing to finished product processing and surface treatment makes Ningbo Jinyao Machinery Co., Ltd. a trusted partner for international customers.

Why does the Gearbox system require high-precision die-casting?
The Gearbox system is a core component of power transmission, and its performance directly determines the operating efficiency, noise level and life of the vehicle or mechanical equipment. Structures such as the gearbox housing, clutch housing, bracket and oil channel not only need to be rigid enough to withstand high-intensity loads, but also must have extremely high geometric accuracy to ensure smooth meshing of the internal gear set at high speeds. Die casting is widely used because it can achieve one-step molding of complex parts and maintain micron-level tolerance control. Compared with traditional sand casting or welding processes, die castings have higher consistency and strength, which can significantly reduce the risk of deformation and wear of Gearbox systems in long-term operation.
Ningbo Jinyao Machinery Co., Ltd. is well aware of the strict requirements for precision of Gearbox components. The company uses high-strength aluminum alloy materials in production. Through advanced die casting technology combined with vacuum die casting and semi-solid forming technology, it ensures that the internal structure of the casting is dense and free of common defects such as pores and shrinkage. Jinyao's CNC machining centers (such as Makino and Brother high-end milling machines from Japan) can perform multi-axis linkage machining to ensure that every assembly hole, threaded hole and sealing surface meets international first-class standards. With a flexible automatic deburring system, Jinyao can eliminate all fine burrs and sharp edges on the processed parts to ensure the reliability and safety of the finished product after assembly.
The application of high-precision die castings also brings the advantage of lightweight. Compared with traditional cast iron housings, aluminum alloy housings can reduce weight by 30%-50%, which not only effectively improves the fuel economy and handling performance of the vehicle, but also provides greater space for the endurance and performance optimization of new energy vehicles. Jinyao's technical accumulation in this area enables it to provide customers with one-stop lightweight solutions to meet the stringent requirements of different models and industrial applications.

How does die-casting technology improve the performance of Gearbox components?

The core performance of the Gearbox system includes transmission efficiency, durability, heat dissipation and noise control. The die-casting process has significant advantages in these aspects due to its high density and complex structure forming capabilities. Due to its excellent thermal conductivity, aluminum alloy die-castings can quickly dissipate the friction heat generated during gear meshing, which helps to keep the transmission system running within the optimal operating temperature range, thereby extending the service life of the gear oil and lubrication system.

Ningbo Jinyao Machinery Co., Ltd. combines internationally leading die-casting process technology to integrate complex functional structures such as oil channels, threaded holes, reinforcing ribs and cooling fins in a single die-casting process, reducing subsequent machining processes and welding operations, and significantly improving the overall strength and stability of parts. Equipped with high-precision processing equipment from Wheeler in the United States, Jinyao can perform secondary precision cutting after casting to ensure that parts and transmission components such as gears and bearings are perfectly matched, thereby improving the transmission efficiency of the entire Gearbox system.
Jinyao's production workshop is also equipped with intelligent automatic deburring and precision cutting equipment to ensure the flatness and precision of each detail position. This strict control of details not only makes the die-casting parts perform well in mechanical properties, but also effectively reduces the noise and vibration of the Gearbox system during operation. In terms of surface treatment, the company has a full set of equipment such as hanging polishing, horizontal polishing and vibration grinding, which can provide high-standard surface finish and corrosion resistance according to customer needs, thereby enhancing the appearance quality and life of the product.
In the application of new energy vehicles, hybrid vehicles and high-end industrial equipment, Jinyao's die-casting technology has helped many customers solve problems such as insufficient heat dissipation efficiency, excessive weight and uneven structural strength, and has become an important driving force for the upgrade of Gearbox system parts.

How to ensure the quality and reliability of Gearbox Die Castings?
Quality control is the core link of Gearbox system die castings manufacturing. Any minor defects may affect the performance and life of the entire transmission system. Common quality problems of die castings include pores, shrinkage, slag inclusions and surface cracks. Once these problems appear in key parts, they may cause Gearbox to leak oil, make excessive noise or wear early. To avoid these potential risks, strict control must be exercised in every link of production, from mold design, material smelting to injection speed and cooling curve, each step requires precise control.
Ningbo Jinyao Machinery Co., Ltd. has established a complete inspection and traceability system for quality control. The company uses advanced X-ray non-destructive testing (NDT) technology to conduct a comprehensive inspection of the internal structure of the casting to ensure that there are no hidden dangers such as pores and cracks. In addition, the dimensions of each batch of parts are strictly inspected with the help of a three-coordinate measuring machine (CMM) to ensure that the assembly accuracy fully meets customer requirements. Metallographic microscopic analysis is also used to verify the grain structure and mechanical properties of the casting to ensure that the material strength and toughness meet the design standards.
In terms of production process optimization, Jinyao not only uses high-performance die-casting equipment, but also uses an intelligent data monitoring system to track key parameters in the die-casting process in real time, such as mold temperature, injection speed and pressure curve, and makes timely adjustments to ensure consistency. The company is also equipped with a complete set of surface treatment and polishing equipment, including hanging polishing, horizontal polishing and vibration grinding, which can provide high-quality surface effects and anti-corrosion treatment solutions according to customer customization needs.
With strict quality control, Jinyao's Gearbox die-casting parts have been adopted by many internationally renowned automobile manufacturers and industrial customers, and their reliability and stability have been widely recognized. In the future, the company will continue to increase its investment in intelligent manufacturing and green environmental protection processes to contribute to the high performance and sustainable development of Gearbox system components.