Cases

SINBO Precision's Aluminum Microchannel Heat Sink Processing in Dongguan In the dynamic realm of modern manufacturing, the demand for efficient heat dissipation solutions has become increasingly crucial. SINBO Precision Mechanical Co., Ltd in Dongguan has emerged as a key player, providing top-notch custom precision mechanical components. Their expertise extends to the intricate processing of aluminum microchannel heat sinks, which are widely used in various industries due to their excellent heat dissipation capabilities. The Challenge: Meeting Stringent Heat Dissipation Requirements One of SINBO Precision's clients, a leading company in the electronics industry, was developing a new generation of high-performance electronic devices. These devices required an advanced heat sink design to effectively dissipate the large amounts of heat generated during operation. The challenge was to create an aluminum microchannel heat sink that could meet the strict thermal performance requirements while maintaining high precision and quality. SINBO Precision's Solution Material Selection SINBO Precision opted for high-quality 6063 T5 aluminum alloy. This material is renowned for its high purity, reaching over 98%, which makes it an ideal choice for heat sink applications. Aluminum is soft, easy to process, and cost-effective, while the 6063 T5 alloy offers enhanced mechanical properties, ensuring the durability of the heat sink. Advanced Processing Techniques Extrusion The manufacturing process began with heating the aluminum ingot to a high temperature and extruding it into an aluminum rod. This initial step is crucial as it forms the basic shape of the heat sink. The extrusion process at SINBO Precision is carried out using state-of-the-art equipment, ensuring consistent quality and dimensional accuracy. Molding The extruded aluminum rod was then injected into a grooved mold to create the primary embryo of the aluminum microchannel heat sink. This mold was specifically designed to achieve the intricate microchannel patterns required for optimal heat transfer. Subsequent Processing CNC Machining: SINBO Precision utilized Computer Numerical Control (CNC) machining to further refine the shape and dimensions of the heat sink. This high-precision process allowed for the creation of complex features, such as precise channels and smooth surfaces, which are essential for efficient heat dissipation. Trimming, Drilling, and Tapping: These processes were carried out to create the necessary holes and threads for mounting and assembly purposes. The precision of these operations ensured a perfect fit with other components in the electronic device. Polishing and Wire Drawing: To enhance the aesthetic appearance and heat transfer efficiency, the heat sink underwent polishing and wire drawing processes. These treatments not only made the surface smoother but also increased the surface area available for heat transfer. Surface Treatment: A suitable surface treatment was applied to improve the corrosion resistance and heat dissipation performance of the heat sink. Anodizing, for example, was used to create a hard, protective oxide layer on the aluminum surface, which also enhanced the heat transfer coefficient. Riveting Pin and Packaging: Finally, riveting pins were added for secure assembly, and the heat sink was carefully packaged to prevent any damage during transportation. The Results The aluminum microchannel heat sink processed by SINBO Precision successfully met the client's thermal performance requirements. The innovative design and advanced processing techniques resulted in a heat sink with excellent heat dissipation capabilities. The microchannel structure allowed for efficient heat transfer, reducing the operating temperature of the electronic device significantly. This, in turn, improved the device's performance, reliability, and lifespan. Moreover, SINBO Precision's commitment to quality control ensured that each heat sink met the highest standards. The company's strict inspection procedures at every stage of the manufacturing process guaranteed that the heat sinks were free from defects and met the client's specifications precisely. Conclusion This case study demonstrates SINBO Precision's expertise in the processing of aluminum microchannel heat sinks. By leveraging advanced manufacturing techniques, high-quality materials, and strict quality control, the company was able to provide a customized solution that met the client's challenging requirements. As the demand for efficient heat dissipation solutions continues to grow in various industries, SINBO Precision is well-positioned to play a leading role in providing innovative and reliable heat sink solutions.

Motor Shaft Processing Case of Dongguan Sinbo Precision Dongguan Sinbo Precision Mechanical Co., Ltd. is a prominent high - tech enterprise deeply engaged in precision parts manufacturing. Since its establishment in 2013, it has been on a remarkable growth trajectory. The company boasts a vast plant area of 34,000 square meters, a workforce of over 600 dedicated employees, and is equipped with nearly 500 state - of - the - art imported processing and testing equipments. With its design and manufacturing team having amassed more than 13 years of rich experience, Sinbo Precision is committed to delivering top - notch customized precision parts to its global clientele. Electronic Equipment Enclosure Processing: A Core Competence In the dynamic realm of electronics manufacturing, the processing of electronic equipment enclosures is of utmost importance. These enclosures serve as the protective outer layer for electronic devices, safeguarding delicate internal components from a plethora of external factors such as dust, moisture, mechanical impacts, and electromagnetic interference. Sinbo Precision has carved a niche for itself in this domain, offering comprehensive and high - quality solutions for electronic equipment enclosure processing. Understanding the Requirements Before commencing any project, Sinbo Precision's team of experts engages in in - depth consultations with clients. They meticulously analyze the specific needs of each electronic device, taking into account factors such as the type of components to be housed, the operating environment (whether it's a harsh industrial setting, a consumer - friendly indoor environment, or a mobile application exposed to various conditions), and any regulatory compliance requirements. For instance, if the electronic device is intended for use in a medical setting, the enclosure must meet strict hygienic and electromagnetic compatibility standards. Material Selection Based on the requirements analysis, Sinbo Precision selects the most suitable materials for the electronic equipment enclosures. The choice of materials is a critical decision as it directly impacts the performance, durability, and cost - effectiveness of the final product. The company has a wide range of materials at its disposal, including various grades of metals such as aluminum, stainless steel, and copper, as well as high - performance plastics like polycarbonate and acrylic. Aluminum, for example, is a popular choice due to its excellent thermal conductivity, which is crucial for dissipating heat generated by the internal components of the electronic device. It is also lightweight, corrosion - resistant, and offers good mechanical strength. Stainless steel, on the other hand, is preferred when high - strength and enhanced corrosion resistance are required, such as in industrial or outdoor applications. Plastics, with their versatility, are often used for enclosures where electrical insulation and cost - effectiveness are key considerations. For products with specific aesthetic requirements, materials like acrylic can be chosen for their transparency and ability to be easily molded into various shapes. Precision Manufacturing Processes CNC Machining Sinbo Precision employs advanced Computer Numerical Control (CNC) machining techniques for the fabrication of electronic equipment enclosures. CNC machining allows for highly precise and repeatable production, ensuring that each enclosure meets the exact specifications of the design. In the case of metal enclosures, CNC milling and turning operations are used to shape the raw material into the desired form. The company's state - of - the - art CNC machines can achieve tight tolerances, often within micrometers, which is essential for ensuring a perfect fit of the internal components and for maintaining the overall integrity of the enclosure. For example, when creating an enclosure for a high - end smartphone, CNC machining is used to precisely mill the antenna grooves, ensuring optimal signal reception. The process also involves the creation of precise cutouts for ports, buttons, and displays, with tolerances so tight that it provides a seamless and aesthetically pleasing finish. Sheet Metal Fabrication Another key process in Sinbo Precision's arsenal is sheet metal fabrication. This process is particularly useful for creating enclosures with complex shapes and large surface areas. Sheet metal, such as aluminum or stainless - steel sheets, is first cut to the required size and shape using laser cutting or punching machines. These machines can create intricate patterns and holes with high precision. After cutting, the sheet metal is then bent and formed into the desired enclosure shape using specialized bending equipment. The edges are then carefully finished to ensure a smooth and safe surface. Sheet metal fabrication is not only cost - effective for large - scale production but also allows for easy customization, making it an ideal choice for a wide range of electronic equipment enclosures, from small consumer electronics to large industrial control panels. Plastic Injection Molding When it comes to plastic enclosures, Sinbo Precision relies on plastic injection molding technology. This process involves melting plastic pellets and injecting the molten plastic into a mold cavity of the desired shape. The mold is then cooled, allowing the plastic to solidify and take the shape of the enclosure. The company uses high - quality molds and advanced injection molding machines to ensure consistent and high - quality production. Plastic injection molding offers several advantages, including the ability to create complex geometries with high precision and at a relatively low cost. It also allows for the integration of features such as snap - fits, bosses for mounting components, and internal ribs for added strength. For example, in the production of enclosures for portable electronic devices like tablets or wireless earphones, plastic injection molding is used to create lightweight, yet durable, enclosures with a sleek and ergonomic design. Surface Treatment and Finishing To enhance the appearance, functionality, and durability of the electronic equipment enclosures, Sinbo Precision offers a variety of surface treatment and finishing options. Anodizing For metal enclosures, anodizing is a commonly used surface treatment process. Anodizing involves creating an oxide layer on the surface of the metal, which not only improves its corrosion resistance but also provides a decorative finish. Sinbo Precision can offer different types of anodizing, such as clear anodizing for a natural look that enhances the metal's luster, or colored anodizing to match specific brand colors or design requirements. Anodized enclosures also have better scratch resistance, making them suitable for products that may be subject to frequent handling. Painting and Coating Painting and coating are other popular finishing options. The company uses high - quality paints and coatings that are not only aesthetically pleasing but also offer protection against corrosion, abrasion, and chemical exposure. Depending on the application, different types of paints and coatings can be applied, such as powder coatings for a durable and smooth finish, or specialized anti - static coatings for electronic devices where electrostatic discharge (ESD) protection is crucial. Polishing and Texturing Polishing is used to create a smooth and shiny surface on metal enclosures, giving them a premium look. This process is often used for high - end consumer electronics or products where aesthetics play a significant role. In contrast, texturing can be applied to provide a non - slip surface or to add a unique visual appeal. For example, a sand - blasted texture can be added to metal enclosures to give them a more industrial or rugged look, which is suitable for outdoor or heavy - duty electronic equipment. Quality Control and Testing Sinbo Precision places great emphasis on quality control throughout the entire electronic equipment enclosure processing cycle. From the selection of raw materials to the final inspection of the finished product, a series of rigorous quality control measures are implemented. In - Process Inspections During the manufacturing process, regular in - process inspections are carried out to ensure that each operation meets the required quality standards. Trained quality control inspectors use a variety of measuring tools and techniques, such as calipers, micrometers, and coordinate measuring machines (CMMs), to check the dimensions of the parts at different stages of production. Any deviations from the specified tolerances are immediately identified and corrected, preventing the production of defective products. Final Product Testing Once the enclosures are fully assembled, they undergo a series of final product tests. These tests include mechanical tests to check the strength and durability of the enclosure, such as drop tests to simulate real - world handling conditions and vibration tests to ensure that the enclosure can withstand normal operating vibrations. Electrical tests are also conducted to verify the effectiveness of any electromagnetic shielding or grounding features. In addition, environmental tests are performed to ensure that the enclosure can function properly in the intended operating environment, such as humidity tests, temperature - cycling tests, and dust - ingress tests. A Success Story: Meeting the Demands of a Global Electronics Brand Sinbo Precision recently completed a project for a well - known global electronics brand that required the production of high - quality electronic equipment enclosures for a new line of smart home devices. The client had strict requirements in terms of design, functionality, and production volume. Design Collaboration Sinbo Precision's engineering team worked closely with the client's design team from the initial concept stage. They provided valuable input on manufacturability, suggesting design modifications that could simplify the production process without compromising the product's functionality or aesthetics. Through this collaborative approach, a design was developed that not only met the client's vision but also allowed for efficient and cost - effective production. Material Selection and Customization Based on the operating environment of the smart home devices (which included both indoor and outdoor use in some cases) and the need for good thermal management, Sinbo Precision recommended the use of a combination of aluminum and high - performance plastics. The aluminum was used for the main body of the enclosure to provide excellent heat dissipation and mechanical strength, while the plastics were used for certain components to achieve electrical insulation and to reduce the overall weight of the product. The company also customized the materials further by applying special coatings to enhance the enclosure's resistance to UV rays and moisture, ensuring long - term durability in outdoor settings. Precision Manufacturing and Quality Assurance Using its advanced CNC machining, sheet metal fabrication, and plastic injection molding capabilities, Sinbo Precision produced the enclosures with the highest level of precision. The tight tolerances required for the fit - and - finish of the components were consistently met, resulting in enclosures that provided a perfect seal and a seamless appearance. The strict quality control measures in place ensured that each enclosure passed all the required tests, including mechanical, electrical, and environmental tests. On - Time Delivery and Cost - Effectiveness Despite the large production volume required by the client, Sinbo Precision was able to meet the tight delivery schedule without compromising on quality. The company's efficient production processes and well - organized supply chain management enabled it to optimize production costs, providing the client with a cost - effective solution without sacrificing the quality of the product. The success of this project not only strengthened Sinbo Precision's partnership with the global electronics brand but also further enhanced its reputation in the industry as a reliable and high - quality provider of electronic equipment enclosure processing services. In conclusion, Dongguan Sinbo Precision Mechanical Co., Ltd. has established itself as a leader in the field of electronic equipment enclosure processing. Through its commitment to understanding client needs, using advanced manufacturing technologies, implementing strict quality control measures, and providing cost - effective solutions, the company continues to meet the diverse and evolving demands of the electronics industry.

Motor Shaft Processing Case of Dongguan Sinbo Precision Dongguan Sinbo Precision Mechanical Co., Ltd. is a high - tech enterprise specialized in precision parts manufacturing. Since its establishment in 2013, the company has been growing continuously. It has a plant area of 34,000 square meters, more than 600 employees and nearly 500 imported processing and testing equipments. Its design and manufacturing team has over 13 years of rich experience, and is committed to providing customers with high - quality customized precision parts. Among its numerous businesses, motor shaft processing is one of the core businesses of Sinbo Precision. As a core component in the motor system, the motor shaft plays a crucial role in power transmission. It needs to withstand huge loads and torques during operation. This puts extremely high requirements on the processing of the motor shaft. Not only do the two ends of the connection part need to be heat - treated to ensure the strength and rigidity of the material, but also the processing dimensional accuracy requirements are extremely strict, involving various processing forms such as turning, milling, drilling, hobbing, covering various working conditions before and after heat treatment. Sinbo Precision demonstrates excellent technical strength in motor shaft processing technology. In the pre - heat treatment processing stage, advanced turning technology is adopted. High - precision lathe equipment is used to accurately process the shape of raw materials to ensure the basic dimensional accuracy of the motor shaft. For example, in the rough turning process, a 4 - axis shaft part processing solution is selected, which can effectively shorten the main processing time. At the same time, through real - time feedback from the measuring equipment, the lathe automatically compensates to ensure processing accuracy. In the milling and drilling processes, power tools are equipped to accurately complete keyway milling and drilling operations, laying the foundation for subsequent assembly and use. The post - heat treatment processing is also a key link. For the finishing of the keyway of the drive motor shaft after heat treatment, Sinbo Precision selects suitable high - hard steel processing end mills, such as the sh360 series. This series of tools is suitable for semi - finishing and finishing of pre - hardened steel, quenched steel and other materials with a hardness of 45 - 65hrc. The cutting edge diameter specifications are reasonably set, and a high - strength, high - toughness substrate material is used with a newly developed high - hard coating, which greatly improves the tool life and realizes efficient processing. For the post - heat turning of the outer circle, the pcbn turning tool bhc200p series is used. This series of tools is suitable for continuous to medium interrupted processing of quenched steel. With a new generation of tialsin coating, it can achieve high - precision and high - surface - quality processing to meet the strict processing requirements of the outer circle of the motor shaft. Throughout the entire processing process, the inspection link runs through. The company uses advanced laboratory professional equipment such as gear measuring centers to monitor and accurately detect various parameters of the motor shaft in real time. For example, in the processing of the important transmission part of the drum - shaped spline, the processing error of the drum - shaped amount is strictly controlled within 15 microns to ensure low noise and high transmission efficiency of the motor shaft during high - speed operation. With its exquisite processing technology and strict quality control, the motor shaft products produced by Sinbo Precision have been highly recognized in the market. The products are not only supplied to the domestic market, but also exported to Germany, Japan, the United States, as well as countries and regions in East Asia and Africa, serving many customers in different fields. The motor shafts it produces are widely used in key fields such as new energy vehicles, civil transportation, aviation, wind power and industrial robots, providing solid component support for the development of various industries. Through continuous technological innovation and process optimization, Sinbo Precision has established a good reputation in the motor shaft processing field, becoming a trusted partner of many customers and continuously promoting the development of the precision machinery processing industry.

Case Study: Sinbo Precision's Precision Shaft Parts Machining in Dongguan In the competitive landscape of precision manufacturing, Dongguan Sinbo Precision Mechanical Co., Ltd. has carved a niche for itself, especially in the domain of precision shaft parts machining. Established in 2013, Sinbo Precision has grown into a high-tech enterprise with an expansive plant area of 34,000 square meters, a workforce of over 600 employees, and a remarkable arsenal of nearly 500 imported processing and testing equipments. The Client's Challenge ** One of Sinbo Precision's clients, a leading player in the industrial automation sector, approached them with a complex project. The client required a series of precision shaft parts for their new generation of high-speed robotic arms. These shafts needed to meet extremely tight tolerances to ensure the smooth and accurate movement of the robotic arms. Any deviation in the shaft's dimensions could lead to misalignment, vibration, and ultimately, a reduction in the performance and lifespan of the robotic arms. The shafts were to be used in a high-stress environment, where they would be subjected to significant rotational forces and rapid acceleration and deceleration cycles. Therefore, the material selected for the shafts had to possess high strength, excellent fatigue resistance, and good machinability. Sinbo Precision's Approach Material Selection Sinbo Precision's engineering team, with their vast experience of over 13 years, carefully evaluated various materials. After rigorous testing and analysis, they recommended a specialized alloy steel for the shafts. This alloy steel offered the perfect balance of high strength, fatigue resistance, and machinability required for the application. The material's high tensile strength ensured that the shafts could withstand the heavy loads, while its fatigue resistance properties would prevent premature failure due to repeated stress cycles. Machining Process Design To achieve the tight tolerances specified by the client, Sinbo Precision employed a multi-step machining process. They started with rough machining using state-of-the-art CNC lathes to remove the majority of the material and shape the shafts to their basic dimensions. These CNC lathes, equipped with advanced control systems, allowed for precise control of the cutting tools, ensuring consistent and accurate cuts. For the finishing operations, Sinbo Precision utilized high-precision grinding machines. Grinding is a crucial process in precision shaft manufacturing as it can achieve extremely fine surface finishes and tight dimensional tolerances. The grinding machines were programmed to achieve the exact surface roughness and dimensional accuracy required by the client. Specialized grinding wheels were selected to ensure optimal material removal rates while maintaining the integrity of the shaft's surface. Quality Control Measures Quality control was at the forefront of Sinbo Precision's operations. At every stage of the machining process, the shafts were subjected to strict inspections. The company's quality control department used a variety of advanced measuring instruments, including coordinate measuring machines (CMMs). CMMs are highly accurate devices that can measure the dimensions of a part with micron-level precision. By using CMMs, Sinbo Precision could ensure that the shafts met the tight tolerances specified by the client. In addition to dimensional inspections, the shafts were also tested for surface integrity. Surface flaws, such as cracks or scratches, can significantly reduce the fatigue life of a shaft. Sinbo Precision used non-destructive testing methods, such as magnetic particle inspection and eddy current testing, to detect any surface defects. Only shafts that passed all the inspections were approved for shipment. The Results Sinbo Precision successfully delivered the precision shaft parts to the client within the agreed-upon time frame. The shafts met all the stringent requirements in terms of dimensional accuracy, surface finish, and material properties. The client was extremely satisfied with the quality of the shafts and the overall service provided by Sinbo Precision. The high-quality shafts enabled the client's robotic arms to operate with exceptional precision and reliability. The smooth movement of the robotic arms, thanks to the well-machined shafts, led to increased productivity and reduced downtime in the client's manufacturing processes. As a result, the client has continued to place orders with Sinbo Precision for their subsequent projects. This case study showcases Sinbo Precision's expertise in precision shaft parts machining. By leveraging their advanced equipment, experienced team, and rigorous quality control measures, Sinbo Precision has established itself as a reliable partner for companies in need of high-quality precision shaft parts.

Case Study: Sinbo Precision's Titanium Alloy Parts Machining in Dongguan In the dynamic world of precision manufacturing, Dongguan Sinbo Precision Mechanical Co., Ltd. has emerged as a leading player, especially when it comes to titanium alloy parts machining. Established in 2013, Sinbo Precision has built a reputation for delivering high-quality, customized solutions to a diverse range of industries. With a sprawling plant area of 34,000 square meters, a workforce of over 600 employees, and nearly 500 state-of-the-art imported processing and testing equipments, the company is well-equipped to handle complex machining projects. The Challenge: Precision Machining of Titanium Alloy Parts Titanium alloys are highly sought-after materials in industries such as aerospace, medical, and automotive due to their exceptional properties, including high strength-to-weight ratio, excellent corrosion resistance, and biocompatibility. However, machining titanium alloys presents unique challenges. Their low thermal conductivity can cause heat to build up during machining, leading to rapid tool wear and potential damage to the part. Additionally, titanium alloys have a tendency to work-harden, making it crucial to use the right cutting tools and machining parameters. One of Sinbo Precision's clients, a leading aerospace company, approached them with a project to machine a complex titanium alloy component. The part had intricate geometries, tight tolerances, and required a high surface finish. The aerospace industry demands the utmost precision and quality, as any deviation in the part's dimensions or performance could have serious consequences. Sinbo Precision's Solution Sinbo Precision's team of experienced engineers and technicians immediately got to work. They began by conducting a thorough analysis of the part's design and requirements. Using advanced computer-aided design (CAD) and computer-aided manufacturing (CAM) software, they developed a detailed machining strategy. Selecting the Right Tools and Equipment For machining titanium alloys, Sinbo Precision opted for high-quality carbide cutting tools with specialized coatings. These tools were designed to withstand the high temperatures and pressures generated during the machining process. The company also utilized its state-of-the-art CNC machining centers, which offer exceptional precision and repeatability. These machines were equipped with advanced cooling systems to effectively dissipate heat and minimize tool wear. Optimizing Machining Parameters Through a series of trial runs and simulations, Sinbo Precision's team optimized the machining parameters, including cutting speed, feed rate, and depth of cut. They found that a lower cutting speed and higher feed rate were more effective in machining the titanium alloy, as this reduced the heat generated and minimized the risk of work-hardening. For example, when using a four 刃铣刀 for rough machining, they set the cutting speed at 58 meters per minute, which was then converted to an appropriate spindle speed based on the diameter of the 铣刀. The feed rate was carefully adjusted to ensure a smooth and efficient cut. Implementing Quality Control Measures Quality control is a top priority at Sinbo Precision. The company has a dedicated quality control department that conducts rigorous inspections at every stage of the machining process. They use advanced measuring equipment, such as coordinate measuring machines (CMMs), to ensure that the parts meet the exact specifications. In the case of the aerospace component, each part was inspected multiple times to verify its dimensions, surface finish, and overall quality. The Results Sinbo Precision's efforts paid off, and they successfully delivered the titanium alloy components to the aerospace client. The parts met all the stringent requirements in terms of precision, surface finish, and quality. The client was extremely satisfied with the results and has since continued to place orders with Sinbo Precision for other projects. The successful machining of these titanium alloy parts not only showcases Sinbo Precision's technical expertise but also highlights its commitment to providing excellent customer service. By leveraging its advanced equipment, experienced team, and strict quality control measures, Sinbo Precision has established itself as a reliable partner for companies in need of high-quality titanium alloy parts machining.

Case Demonstration of Sinbo Precision Mechanical's Powder Metallurgy Production Capacity​ In the field of powder metallurgy production, Sinbo Precision Mechanical has always demonstrated strong production capabilities with excellent technology and innovative processes. The following actual cases comprehensively present the company's extraordinary strength in powder metallurgy production.​ Efficient Production of Complex - structured Parts​ Project Requirements​ A high - end machinery manufacturing enterprise required a batch of parts with complex structures and extremely high precision requirements. Traditional manufacturing processes were difficult to meet the dual demands of complex shapes and high performance. Sinbo Precision Mechanical, with its profound accumulation in the field of powder metallurgy, undertook this project.​ Production Process​ Powder Preparation Stage: Sinbo Precision Mechanical adopted an advanced process combining atomization and reduction to precisely control the particle size and composition of metal powders. For example, for the key iron - based alloy powders in this project, by optimizing atomization parameters, the particle size distribution of the powders was ensured to be uniform, with an average particle size of less than 50 microns, laying a solid foundation for subsequent forming. At the same time, the impurity content in the powder was strictly controlled to ensure a purity of over 99.9%, greatly improving the stability and reliability of the material.​ Implementation of Forming Process: For the complex structures of the parts, a combination of precision die pressing and powder injection molding technologies was comprehensively used. During precision die pressing, high - precision molds were used, and the pressing pressure was precisely controlled at 800MPa to ensure that the basic shape and dimensional accuracy of the parts were controlled within ±0.05mm. For some parts with fine internal structures, powder injection molding was used. By optimizing injection process parameters, such as controlling the injection temperature at 180°C and the injection pressure at 150MPa, the accurate replication of complex structures was successfully achieved, and the molding yield rate was as high as 98%.​ Guarantee of Sintering Process: An advanced process combining vacuum sintering and liquid - phase sintering was adopted. In the vacuum sintering stage, the sintering temperature was raised to 1200°C to effectively remove gases and impurities between powder particles and promote atomic diffusion between particles. During the subsequent liquid - phase sintering process, the amount of liquid phase generated and the sintering time were precisely controlled. Maintaining at 1350°C for 2 hours, the material was fully densified. The density of the final product reached over 98% of the theoretical density, significantly improving the strength and hardness of the parts.​ Project Results​ Sinbo Precision Mechanical successfully delivered high - quality complex - structured parts, and the product performance fully met the strict requirements of the customer. In practical applications, these parts demonstrated excellent wear resistance and stability, greatly extending the service life of the equipment and receiving high praise from the customer. This project not only demonstrated the company's strong ability in the powder metallurgy production of complex - structured parts but also further consolidated Sinbo Precision Mechanical's leading position in the industry.​ Stable Supply of a Large Number of High - performance Parts​ Project Background​ A well - known automotive manufacturing enterprise planned to expand its production scale and urgently needed a stable supply of a large number of high - performance automotive engine parts, with extremely high requirements for the strength, wear resistance, and consistency of the parts. Sinbo Precision Mechanical won the cooperation opportunity for this project with its mature powder metallurgy production system.​ Production Measures​ Large - scale Powder Preparation: To meet the needs of large - scale production, Sinbo Precision Mechanical optimized the powder preparation process and introduced an automated production line. When preparing copper - based alloy powders, through the automated control system, the atomization gas pressure and flow rate were precisely adjusted to ensure that the particle size and composition of each batch of powder were highly consistent. The daily powder output could reach 5 tons, and the quality stability was controlled within a very small range, providing a reliable raw material guarantee for large - scale production.​ Optimization of Forming Process: In the forming process, multi - station precision die pressing and automated powder injection molding equipment were used. The multi - station mold could simultaneously press multiple parts, greatly improving production efficiency. At the same time, through a real - time monitoring and feedback system, parameters such as pressing pressure and injection speed were dynamically adjusted to ensure the forming accuracy and quality of each part. During large - scale production, the dimensional deviation of the parts was controlled within ±0.03mm, and the forming efficiency was increased by 30% compared with the traditional process.​ Innovation in Sintering Process: A continuous vacuum sintering furnace and an efficient liquid - phase sintering process were developed for the characteristics of large - scale production. The continuous vacuum sintering furnace achieved continuous sintering of parts, improving production efficiency while ensuring the uniformity and stability of the sintering temperature. During the liquid - phase sintering process, by optimizing the sintering curve, the sintering cycle was shortened from the original 8 hours per furnace to 6 hours, and the product quality was not affected, ensuring the consistency and stability of product performance under large - scale production.​ Project Results​ Sinbo Precision Mechanical successfully achieved the stable supply of a large number of high - performance automotive engine parts, with a monthly delivery volume of over 100,000 pieces. The products performed excellently in automotive engines, effectively improving the power performance and fuel economy of the engines, and were recognized and trusted by the automotive manufacturing enterprise in the long term. This cooperation fully demonstrated Sinbo Precision Mechanical's outstanding ability in large - scale powder metallurgy production and set a model for efficient and stable production in the industry.​ Through the above two typical cases, the comprehensive advantages of Sinbo Precision Mechanical in powder metallurgy production capacity are clearly demonstrated. Whether it is the fine manufacturing of complex - structured parts or the stable supply of a large number of high - performance parts, the company can rely on advanced technologies and processes to provide customers with high - quality and efficient solutions.​