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After years of unremitting exploration and strategic layout, Zhejiang Nuoken Machinery Technology Co., Ltd. has achieved a remarkable leap in production capacity, standing out in the highly competitive mechanical manufacturing industry. From a small-scale factory with simple casting equipment in its early days to a modern intelligent manufacturing base today, every step of its development embodies the company's persistent pursuit of technological progress, production efficiency and product quality. The company's current production base is equipped with 4 sets of fully automatic casting production lines, which are the core of its manufacturing system. These production lines integrate advanced robotic handling, real-time temperature monitoring and automatic defect detection functions, realizing the whole process of unmanned operation from raw material melting, mold filling to casting forming. Compared with the traditional manual operation mode, the production efficiency has been increased by more than 3 times, and the product qualification rate has remained stable at 99.5% or more. In addition, the company has more than 200 sets of CNC machining centers imported from Germany and Japan, including 5-axis linkage machining equipment, which can complete complex machining processes such as curved surface milling and precision drilling on workpieces, with a machining accuracy of up to 0.001mm, fully meeting the strict requirements of high-end automotive parts. Driven by this advanced equipment cluster, the company's annual production capacity has reached an impressive scale: 500,000 sets of automobile cylinder heads, 1.5 million sand cores and 1 million other small precision components. Behind these figures is a scientific production scheduling system. The company has introduced an MES (Manufacturing Execution System) to realize real-time tracking of the production process, accurate calculation of equipment utilization and reasonable arrangement of production tasks. For example, in the production of automobile cylinder heads, the system can automatically match the most suitable machining center according to the order quantity and delivery time, and dynamically adjust the production rhythm to ensure that each batch of products is delivered on time. At the same time, the company pays special attention to energy conservation and environmental protection in the production process. The waste gas generated in the casting process is treated by a multi-stage purification system, and the water used in the machining process is recycled through a closed-loop system, which reduces the water consumption per unit product by 40% compared with the industry average. The company's strict quality control system provides a solid guarantee for its high production capacity. From the incoming inspection of raw materials, the company has established a professional testing team, using spectral analyzers to detect the chemical composition of aluminum alloys to ensure that they meet the standard requirements. In the production process, online inspection equipment is used to conduct 100% inspection of key dimensions of products. After the products are completed, they also need to go through strict pressure testing, leak testing and other procedures to ensure that each product delivered to customers is of high quality. This strict quality management has enabled the company to obtain a number of international certifications such as ISO 9001 and IATF 16949, laying a solid foundation for its entry into the international market. Relying on excellent product quality and strong production capacity, the company has won the trust of many well-known domestic and foreign customers. In the domestic market, it has established long-term and stable cooperative relations with leading automobile manufacturers such as Geely and BYD. It not only provides them with high-quality automobile cylinder heads and other components, but also participates in the research and development of new products, providing professional technical support according to the special needs of customers. In the international market, it has successfully entered the supply chain of world-renowned enterprises such as Cummins, and its products are exported to Europe, America, Southeast Asia and other regions, enjoying a good reputation in the international market. In order to maintain its competitive advantage, the company has never stopped the pace of technological innovation. It has established a professional R&D team, which has long been committed to the research and development of new casting processes and new materials. In recent years, it has successfully developed a number of new technologies with independent intellectual property rights, which have not only improved the performance of products, but also reduced production costs. At the same time, the company actively carries out cooperation with universities and research institutions, establishing a "production, learning and research" integration mechanism to continuously introduce advanced technologies and talents, providing strong impetus for the company's sustainable development.

Members of the CPPCC of Beicheng Sub-district recently organized a special investigation team to go deep into Sanmen Coastal Industrial City, focusing on the key issues of enterprise transformation and upgrading in the new era. During this in-depth research, they paid a special visit to Zhejiang Nuoken Machinery Technology Co., Ltd., a benchmark enterprise in the local machinery manufacturing industry, aiming to explore the practical experience of traditional manufacturing enterprises in breaking through development bottlenecks through technological innovation. Accompanied by the company's management team, the CPPCC members visited the company's existing production workshops, R&D centers and product exhibition halls. They carefully observed the operation of intelligent production equipment, inquired about the application of new technologies in the production process, and had in-depth exchanges with front-line technical workers on issues such as skill upgrading and production efficiency improvement. The advanced production concepts and remarkable transformation results displayed by the company left a deep impression on the investigation team. Yang Chenri, chairman of Zhejiang Nuoken Machinery Technology Co., Ltd., introduced in detail the company's exploration and practice in promoting technology-driven development during the symposium. He emphasized that in the face of the increasingly fierce market competition and the accelerating pace of industrial upgrading, the company has long regarded technological innovation as the core driving force for development. To this end, the company has established in-depth cooperative relations with well-known universities such as Zhejiang University of Technology, forming a multi-dimensional collaborative innovation mechanism covering talent training, technological research and development, and achievement transformation. Specifically, the two sides have jointly established a "production-education-research integration base" and a special research laboratory. The company provides practical platforms and research funds for the university's teaching and research team, and the university's experts and scholars participate in the company's key technical research and product development projects. In the past two years, this cooperation model has achieved fruitful results: the joint research team has successfully developed a new type of aluminum alloy casting process with independent intellectual property rights, which has reduced the product defect rate by 30% and the production energy consumption by 25%; at the same time, the company has also absorbed more than 20 outstanding graduates from the cooperative universities, injecting fresh blood into the technical team. Members of the CPPCC of Beicheng Sub-district recently organized a special investigation team to go deep into Sanmen Coastal Industrial City, focusing on the key issues of enterprise transformation and upgrading in the new era. During this in-depth research, they paid a special visit to Zhejiang Nuoken Machinery Technology Co., Ltd., a benchmark enterprise in the local machinery manufacturing industry, aiming to explore the practical experience of traditional manufacturing enterprises in breaking through development bottlenecks through technological innovation. Accompanied by the company's management team, the CPPCC members visited the company's existing production workshops, R&D centers and product exhibition halls. They carefully observed the operation of intelligent production equipment, inquired about the application of new technologies in the production process, and had in-depth exchanges with front-line technical workers on issues such as skill upgrading and production efficiency improvement. The advanced production concepts and remarkable transformation results displayed by the company left a deep impression on the investigation team. Yang Chenri, chairman of Zhejiang Nuoken Machinery Technology Co., Ltd., introduced in detail the company's exploration and practice in promoting technology-driven development during the symposium. He emphasized that in the face of the increasingly fierce market competition and the accelerating pace of industrial upgrading, the company has long regarded technological innovation as the core driving force for development. To this end, the company has established in-depth cooperative relations with well-known universities such as Zhejiang University of Technology, forming a multi-dimensional collaborative innovation mechanism covering talent training, technological research and development, and achievement transformation. Specifically, the two sides have jointly established a "production-education-research integration base" and a special research laboratory. The company provides practical platforms and research funds for the university's teaching and research team, and the university's experts and scholars participate in the company's key technical research and product development projects. In the past two years, this cooperation model has achieved fruitful results: the joint research team has successfully developed a new type of aluminum alloy casting process with independent intellectual property rights, which has reduced the product defect rate by 30% and the production energy consumption by 25%; at the same time, the company has also absorbed more than 20 outstanding graduates from the cooperative universities, injecting fresh blood into the technical team.

According to financial news, Zhejiang Nuoken Machinery Technology Co., Ltd. has made fruitful achievements in patent research and development. In 2025, the company has applied for multiple patents such as "a horizontal milling tooling for cylinder heads" and "a processing tooling for convenient clamping and positioning of automobile cylinder heads". These patented technologies focus on the processing of automobile cylinder heads and other parts, and have significant advantages in improving processing accuracy, convenience and efficiency, reflecting the company's strong innovation capability in the field of mechanical processing technology.

Recently, good news came from Zhejiang Nuoken Machinery Technology Co., Ltd. that its project with an annual output of 1.5 million mechanical parts has been approved by relevant authorities. According to the document released by Taizhou Municipal Bureau of Ecology and Environment, the project complies with the "Three Lines and One Permit" zoning control plan. After adopting corresponding pollution prevention and control measures, it can meet the pollutant discharge standards and total amount control indicators. With a total investment of 10 million yuan, the project will have an annual production capacity of 1 million sets of automobile engine cylinder heads, 50,000 sets of other auto parts and other products upon completion, further enhancing the company's market competitiveness in the field of mechanical parts.

The 2025 China (Taizhou) International Auto Parts and Service Products Exhibition was grandly held recently, and Zhejiang Nuoken Machinery Technology Co., Ltd. made a wonderful appearance as an exhibitor. The company is a production-oriented enterprise engaged in gravity casting, R&D, design, manufacturing and overall technical services, with more than 30 years of casting experience. During the exhibition, Nuoken Machinery showcased its advanced casting technology and various auto parts products, attracting many industry insiders and customers to visit and communicate, further enhancing the company's brand awareness.

Recently, the Coastal Industrial Park organized a themed lecture titled "Youth Voices on ‘Lucid Waters and Lush Mountains Are Invaluable Assets’" for enterprises, with young speakers visiting Zhejiang Nuoken Machinery Technology Co., Ltd. The company responded proactively, committing to building an information-driven, intelligent green factory. In production, it adopts advanced processes, technologies, and equipment to implement cleaner production, reducing pollutant generation and emissions, and contributing to environmental protection.

In 2025, Zhejiang Nuoken Machinery Technology Co., Ltd. participated as an exhibitor in the China (Taizhou) International Auto Parts & Aftermarket Expo. At the event, the company showcased its advanced aluminum alloy precision casting products and automated production equipment, attracting significant attention from domestic and international clients. A company representative stated that the exhibition helped enhance brand visibility and expand market share.

To drive technological innovation and build an integrated industry-university-research collaborative innovation model, Zhejiang Nuoken Machinery Technology Co., Ltd. has forged solid partnerships with prestigious institutions such as Zhejiang University of Technology, marking a strategic leap in bridging academic research and industrial application. This alliance is rooted in shared goals: to break through technical bottlenecks in aluminum alloy precision casting and accelerate the translation of cutting-edge research into market-ready products. The collaboration focuses on three core areas. First, joint R&D on high-performance aluminum alloy materials, leveraging the university’s expertise in material science to develop alloys with enhanced strength, heat resistance, and corrosion resistance—critical for automotive and aerospace components. Second, innovation in casting processes, where engineers from Nuoken and professors from the university collaborate on optimizing mold design, reducing porosity in castings, and improving surface finish, aiming to 提升 yield rates by at least 15%. Third, the establishment of a talent cultivation program: the company provides internship bases for graduate students, while academic teams offer technical training for Nuoken’s engineers, fostering a steady pipeline of skilled professionals. To ensure effective collaboration, a dedicated joint laboratory has been set up, equipped with advanced testing instruments like 3D metallographic microscopes and thermal simulation systems. Quarterly workshops and technical seminars keep both parties aligned on progress, while a shared intellectual property mechanism incentivizes innovation. This model not only strengthens Nuoken’s technological edge but also contributes to advancing industry standards, positioning the partnership as a benchmark for industry-university-research integration in the manufacturing sector.

Recently, Zhejiang Nuoken Machinery Technology Co., Ltd. announced exciting news: its two patent applications, "A Horizontal Milling Tooling for Cylinder Heads" and "A Clamping and Positioning Tooling for Automobile Cylinder Heads," have been approved by the State Intellectual Property Office. The former, "A Horizontal Milling Tooling for Cylinder Heads," integrates a multi-axis adjustment system that allows micro-rotations within ±5° and linear shifts up to 150mm, adapting to over 20 types of cylinder head models without retooling—slashing changeover time by 60%. The latter, "A Clamping and Positioning Tooling for Automobile Cylinder Heads," features a servo-driven rotating platform with 0.001° precision, enabling one-time clamping for oblique holes (30°-60°) and side groove machining. Field tests show it reduces position errors to ≤0.02mm, boosting per-unit processing efficiency by 45% while cutting scrap rates from 3.2% to 0.8%. These patents, born from 18 months of R&D and 500+ trials, solidify the company’s edge in aluminum alloy precision casting.

Recently, Zhejiang Nuoken Machinery Technology Co., Ltd. signed a strategic cooperation agreement with Hannover Precision Machinery, a well-known German machinery manufacturer. The two parties will conduct in-depth cooperation in the research and development of high-end CNC machine tools and the sharing of precision parts processing technology. This cooperation marks a crucial step for Nuoken Machinery in its international layout. According to the agreement, the two parties will jointly establish a research and development center, integrate technological resources from China and Germany, and focus on tackling key problems in processing equipment for core components of new energy vehicle engines. Germany's Hannover will provide its century-old precision manufacturing technology, while Nuoken Machinery will export its experience in building intelligent production lines to jointly develop high-end processing equipment adapted to the global market. The first batch of cooperation projects is expected to invest 50 million yuan in research and development funds, with plans to achieve 3 core technological breakthroughs within three years. The chairman of Nuoken Machinery stated at the signing ceremony: "The rigorous spirit and innovative capabilities of German manufacturing have always been a benchmark for us to learn from. This cooperation will not only enhance the technical barriers of the company's products but also promote the rise of  Chinese machinery manufacturing enterprises in the global industrial chain." The CEO of Germany's Hannover also said that the choice to cooperate with Nuoken Machinery is precisely due to its rapid growth capability in the field of intelligent equipment and its complete industrial chain layout. It is understood that the two parties have formulated a timetable for the first jointly produced five-axis linkage machining center. This equipment will integrate German precision spindle technology with China's intelligent control system, and mass production is expected to be realized in the first quarter of 2026, with an annual production capacity plan of 200 sets, which can meet the precision processing needs of high-end manufacturing fields such as new energy vehicles and aerospace.

After 18 months of construction, the smart factory project invested 230 million yuan by Zhejiang Nuoken Machinery Technology Co., Ltd. was officially put into production recently. The factory is built according to Industry 4.0 standards, realizing the whole-process intelligent management from raw material storage to finished product delivery, and the production efficiency is increased by more than 60% compared with traditional factories. Walking into the workshop of the smart factory, 56 industrial robots work accurately under the command of the intelligent scheduling system, AGV unmanned transport vehicles shuttle along the preset tracks to transport materials, and high-definition cameras monitor production data in real-time and upload them to the cloud platform. By deploying a 5G + industrial internet system, the factory has achieved 100% equipment interconnection rate, 98% numerical control rate of key processes, and the product defect rate has been reduced to below 0.3‰. The smart factory focuses on the production of high-precision hydraulic valve groups and servo motor housings. The introduced digital twin technology can simulate the entire production process in real-time, early warning equipment failures and process deviations in advance. According to the factory director, through the intelligent scheduling system, the order delivery cycle has been shortened from 45 days to 18 days, the raw material inventory turnover rate has increased by 80%, and energy cost savings of about 3 million yuan can be achieved annually. Relevant local government leaders attending the commissioning ceremony said that the completion and commissioning of Nuoken Machinery's smart factory provides a demonstration sample for the transformation and upgrading of regional manufacturing industries and will drive upstream and downstream enterprises to accelerate intelligent transformation. At present, the factory has received the first batch of orders from Sany Heavy Industry, Zoomlion, and other enterprises, with a total amount of 120 million yuan.

The Ministry of Industry and Information Technology recently announced the list of the fifth batch of national-level specialized, refined, characteristic, and novel "little giant" enterprises. Zhejiang Nuoken Machinery Technology Co., Ltd. successfully  entered the list with its outstanding performance in the field of precision gear processing equipment, becoming the only machinery manufacturing enterprise in Wenzhou to receive this honor. Specialized, refined, characteristic, and novel "little giant" enterprises refer to small and medium-sized enterprises with the characteristics of specialization, refinement, characteristic, and innovation. The selection criteria cover multiple core indicators such as main business income, R & D investment, and the number of intellectual property rights. Nuoken Machinery has been deeply engaged in the field of gear processing equipment for 12 years. The independently developed YK3180 CNC gear hobbing machine has broken foreign technical monopoly, with product precision reaching the international advanced level, and its domestic market share has remained above 25% for three consecutive years. The company's technical director introduced that the enterprise invests 8.5% of its sales revenue in research and development every year, with 68 patents, including 15 invention patents, and presides over the formulation of 3 industry standards. The special equipment developed for the problem of large gear processing in wind power equipment can process large gears with a diameter of 3.5 meters, with processing efficiency 40% higher than that of imported equipment and the price only 60% of similar products. It has been applied to the production lines of wind power giants such as Goldwind Science & Technology and Mingyang Smart Energy. The selection as a national-level "little giant" enterprise is not only a recognition of Nuoken Machinery's professional capabilities but also will bring policy, capital, and other support to the enterprise. The company plans to use special subsidy funds to expand the R & D center, focus on breaking through the intelligent diagnosis system of gear processing equipment, and strive to increase the import substitution rate by another 15 percentage points within three years.

At the 23rd Shanghai International Machine Tool Exhibition, Zhejiang Nuoken Machinery Technology Co., Ltd. made a stunning appearance with 5 heavyweight new products. Among them, the independently developed "intelligent processing unit" series of equipment attracted widespread attention from the industry, and received intended orders of 380 million yuan on the first day of the exhibition. In this exhibition, Nuoken Machinery's booth covers an area of 300 square meters, adopting an immersive experience design to display the whole process of the intelligent production line through a combination of virtual and real methods. The star product "NKM-2000 intelligent processing unit" integrates the functions of CNC lathes, milling machines, measuring instruments, and other equipment. The equipped AI process planning system can automatically generate the optimal processing plan. Operators only need to input product parameters, and the system can complete the whole process from programming to processing, saving 70% of the preparation time compared with the traditional processing mode. The "high-speed drilling and tapping center" developed for the processing needs of new energy vehicle motor shells has also attracted much attention. The equipment adopts a dual-spindle design, with a maximum speed of 24,000 rpm, which can complete the processing of 12 holes of the motor shell within 1 minute, with the precision controlled within 0.005 mm. During the on-site demonstration, the equipment ran continuously for 8 hours, and the processing qualification rate remained 100%, attracting buyers from Germany, Japan, and other countries to stop and negotiate. The company's marketing director said that the exhibition received more than 500 batches of customers at home and abroad, 30% of whom were international customers contacted for the first time. The 12 customized equipment orders signed during the exhibition will all adopt Chinese-English bilingual operating systems, adapting to industrial standards of different countries, marking the increasingly mature international marketing system of Nuoken Machinery.

At the 23rd Shanghai International Machine Tool Exhibition, Zhejiang Nuoken Machinery Technology Co., Ltd. made a stunning appearance with 5 heavyweight new products. Among them, the independently developed "intelligent processing unit" series of equipment attracted widespread attention from the industry, and received intended orders of 380 million yuan on the first day of the exhibition. In this exhibition, Nuoken Machinery's booth covers an area of 300 square meters, adopting an immersive experience design to display the whole process of the intelligent production line through a combination of virtual and real methods. The star product "NKM-2000 intelligent processing unit" integrates the functions of CNC lathes, milling machines, measuring instruments, and other equipment. The equipped AI process planning system can automatically generate the optimal processing plan. Operators only need to input product parameters, and the system can complete the whole process from programming to processing, saving 70% of the preparation time compared with the traditional processing mode. The "high-speed drilling and tapping center" developed for the processing needs of new energy vehicle motor shells has also attracted much attention. The equipment adopts a dual-spindle design, with a maximum speed of 24,000 rpm, which can complete the processing of 12 holes of the motor shell within 1 minute, with the precision controlled within 0.005 mm. During the on-site demonstration, the equipment ran continuously for 8 hours, and the processing qualification rate remained 100%, attracting buyers from Germany, Japan, and other countries to stop and negotiate. The company's marketing director said that the exhibition received more than 500 batches of customers at home and abroad, 30% of whom were international customers contacted for the first time. The 12 customized equipment orders signed during the exhibition will all adopt Chinese-English bilingual operating systems, adapting to industrial standards of different countries, marking the increasingly mature international marketing system of Nuoken Machinery.

The Zhejiang Provincial Department of Science and  Technology recently issued a document, officially identifying the "Key Laboratory of Precision Machining Equipment and Intelligent Control" led by Zhejiang Nuoken Machinery Technology Co., Ltd. as a provincial key laboratory, which is the first provincial key laboratory in the field of machinery manufacturing in Wenzhou. The laboratory covers an area of 1,800 square meters, equipped with 23 sets of internationally advanced testing equipment such as coordinate measuring machines and laser interferometers, and has 42 full-time researchers, among whom 35% have doctoral degrees. The laboratory has three research directions: precision spindle technology, intelligent control system, and green manufacturing process, focusing on solving the "bottleneck" technical problems of high-end CNC machine tools. The director of the laboratory introduced that breakthroughs have been made in the research and development of high-speed electric spindles. The independently developed HSK-A63 electric spindle has a maximum speed of 45,000 rpm and a dynamic balance accuracy of G0.4, with various indicators reaching the international first-class level, breaking the technical monopoly of Swiss and Japanese enterprises. This achievement has been applied to the company's high-end machining centers, increasing the processing efficiency of the equipment by 30% and reducing the noise to below 75 decibels. To promote the integration of industry, university, and research, the laboratory has established a joint training mechanism with Zhejiang University and Huazhong University of Science and Technology, and set up special scholarships to fund postgraduates majoring in mechanical engineering. At present, 18 SCI papers have been jointly published, and 2 national-level scientific research projects and 5 provincial-level projects have been undertaken. Next, the laboratory will focus on tackling the processing process optimization technology driven by digital twins, planning to apply for 20 invention patents within three years, and develop high-end CNC systems with independent intellectual property rights.

In 2024, a significant milestone was reached when Zhejiang Nuoken Machinery Technology Co., Ltd.’s ambitious project to produce 1.5 million sets of mechanical parts annually received the green light from the Taizhou Municipal Bureau of Ecology and Environment. With a total investment of 10 million yuan carefully earmarked for this expansion, the company is set to redefine its footprint in the manufacturing sector. This project represents a major leap forward, transcending the original scope of just manufacturing automobile engine cylinder heads. Now, it encompasses a diverse portfolio including other auto parts, robot components, medical machinery parts, and motorcycle accessories. To realize this broadened production, the company will introduce state-of-the-art equipment. New painting lines will be installed to enhance the finish and durability of the products, while advanced casting machines will ensure high-precision manufacturing. The meticulous planning of this project involved detailed blueprints for production layout, taking into account factors such as workflow efficiency and environmental impact. Once completed, the revamped production facility, with its new equipment and expanded product range, is expected to achieve a remarkable annual output of 1.5 million sets of mechanical parts. This will not only boost the company's market share but also contribute significantly to the local economy and the broader mechanical parts manufacturing industry.

Casting speed: The casting speed of aluminum alloy die castings is positively correlated with the ingot liquid cavity. If the casting speed is increased, it will cause the direction of the ingot liquid cavity and temperature gradient to expand, and then the liquid cavity range will be displayed at the bottom of the liquid cavity, generating significant internal stress and increasing the probability of showing hot cracks in the ingot. Therefore, everyone should control the speed well.   Casting temperature: The casting temperature of excellent aluminum alloy die-casting parts will maintain excellent flowability of liquid metal, subsequently reducing internal stress in the mechanism and avoiding cracks. The general casting temperature should be determined based on the type of material and ingot specifications. If the temperature is not suitable, it will add thermal stress, which may cause cracks or cracking in the casting. If the temperature is too low, it is not feasible because it will cause defects such as cold shuts, weld beading, and even cracks on the surface of the ingot. If not optimistic, it will make it impossible for the casting to proceed again.   Relative height of liquid level: The position of the liquid level is also important. If it is too low, it will cause thermal cracks in precision mechanical casting to tend to expand, and if not optimistic, it will endanger the casting process. If the liquid level is too high, it will increase the shrinkage level of the ingot. Therefore, it is necessary to have a suitable relative height of the liquid level, neither too high nor too low. During the aging treatment and heat treatment cooling of cast aluminum alloy profiles, the faster the cooling rate, the greater the stress caused and the greater the deformation of the parts. Reducing the cooling rate can reasonably reduce part deformation while ensuring that the second phase does not precipitate during the entire cooling process. The aging treatment of cast aluminum alloy profiles usually uses water as the cooling material, and the cooling ability of water is greatly affected by its temperature.   The heat treatment process of large and medium-sized aluminum alloy castings can reasonably reduce the deformation of the heat treatment process of large and medium-sized aluminum alloy castings by improving the main parameters of the heat treatment method, adopting processing strategies such as increasing the isothermal process link, manipulating the heating speed and the mixing temperature of the parts, and increasing the temperature of the heat treatment water (and also improving the clamping and placing method of the parts, and its application calibration, etc.).

Among the many products of automotive components, precision casting products occupy a crucial proportion, such as: automotive engine oil pan, cylinder head, transmission casing, intake branch pipe, exhaust manifold, engine crankshaft, engine camshaft, piston rod, and wheel rims, all of which belong to casting products. However, compared to advanced industrial production, the proportion of automotive casting products in China's total casting production is still insufficient. According to a survey, automotive castings in the United States account for 33% of the total production of castings, while automotive castings in China only account for over 20% of the total production.   1. The progress of automotive industry production drives the development trend of the automotive casting industry   Automotive castings are one of the primary downstream industrial chains in China's automotive processing and manufacturing industry. About 10.5% of the parts of a white car body are iron castings and 6.4% are aluminum castings. This type of high-precision casting not only has a large total number but also has high quality standards. With the rapid development of China's automobile processing and manufacturing industry, the production of automobile castings has also increased. According to a survey, in 2009, the sales volume of automobiles in China increased by 13.5 million, and the production of automobile castings reached 10.33 million tons. With the production of automobiles in China reaching 15 million units in 2010, it is estimated that the production of automobile castings will reach 11.48 million tons. The increase in automobile production is the main factor that stimulates the development trend of the processing and manufacturing industry, and at the same time, it will also provide a larger indoor space for the industry market of automotive casting products in China. And with the development trend of lightweight automobiles and environmental protection and energy conservation, the market demand for automotive non-ferrous castings will also further expand. Since 2000, the production of high-precision castings in China has been steadily ranking globally, and it has become a well-deserved casting production and manufacturing power.   2. The export of automotive cast iron parts in China is on a downward trend   Although China is a well-known manufacturing country for precision castings, it is still far from being a major country for precision castings. The rapid increase in the production of high-precision castings in China is largely achieved at the cost of higher energy consumption, higher natural resource consumption, environmental pollution, and cheap labor. In addition, from 2006 to 2009, it can be seen that the export status of automotive cast iron products in China is still in the middle and low end supply and sales market, relatively speaking, compared to rubber products, hardware stamping parts, standard parts and other products, and is greatly affected by the fluctuations in the industry market. The financial crisis in 2008 caused harm to the export of automotive castings in China, and a downward trend occurred. Therefore, compared to the relatively developed production in the automotive manufacturing industry, there are still significant differences in the production capacity and application promotion of non-ferrous metal castings in China.

Precision casting is the process of pouring liquid metal water concrete into the same solid mold as the casting, and cooling it to form the casting. The casting methods include sand mold casting, special casting, precision casting, and precision casting in V precision casting, which are divided into special casting. The parts cast using this method do not require production processing and may require minimal production processing. Generally speaking, casting is a superficial form of forging, while aluminum die casting is a casting method of working pressure casting. Under high-pressure conditions, liquid metal materials are added to the casting physical model at a higher rate. Condensation under working pressure. Generally speaking, casting has multiple materials and external forces that deform under condensation conditions. Precision casting and general casting are two different casting methods, but precision casting has higher regulations and stronger accuracy. Compared with traditional sand mold casting processes, precision casting produces larger castings with stronger surface smoothness. Including: investment casting, ceramic mold casting, metal material mold casting, working pressure casting, and lost foam casting. The overall surface coating of stainless steel precision castings determines the process performance of the castings. Therefore, it is stipulated that the coating quality is high, the silica powder is fine, the coating viscosity should not be too high, and the sand removal should also be fine. Structural reinforcement coatings can improve the effectiveness of the shell and avoid damage to the shell. Therefore, thicker silica powder can be used, the paint viscosity is high, and the Degree distribution of desanding particles is also large.

The method of casting liquid metal into the inner wall of the casting that is consistent with the shape of the part, and after it cools and solidifies, to obtain aluminum parts or blanks by gravity casting is called casting. Obtaining castings by casting is called casting. Do you know what the General technology requirements for castings are?General technology requirements  for investment castings:1. Requirements for raw materials. Important factors include compressive strength, compressive strength, tensile strength, and impact toughness.2. Precision of specifications, models, and shape tolerances. Different castings have different requirements, using different specifications, models, geometric tolerance standards, and tolerance level tables.3. According to the application requirements, specify the requirements for engineering completion acceptance for other defects in castings. Such as exhaust ports, sand holes, casting defects, casting defects, weld beading, sand pipes, cracks, etc.Pour metal material concrete into a casting and grinding tool cavity with the same shape and specifications as the part, and wait for it to cool and solidify to obtain a blank or part, which is called a casting.Requirements for the development of casting parts:1. Meet the requirements for compressive strength and bending stiffness. Achieving compressive strength is a crucial issue for shell parts with particularly high load-bearing capacity in precision casting products; But for the vast majority of shells, the main criterion for evaluating the characteristics is bending stiffness, because the bending stiffness of the shell not only harms the basic operation of the transmission device components, but also harms the precision of the prefabricated components. The selection of automatic control models and specifications for casting parts is included on the website.2. Heat dissipation characteristics and thermal deformation challenges. The friction and heating of the parts inside the box cause changes in the viscosity of the lubricating grease, which damages its lubrication performance; The rise in temperature causes thermal deformation of the shell, especially the thermal deformation and stress caused by the uneven distribution of environmental temperature, which have a significant impact on the precision and compressive strength of the shell.3. The product design is reasonable. The allocation of support points, reasonable layout of reinforcement, location of openings, and design schemes of buckle structures should all be conducive to improving the compressive strength and bending stiffness of the shell.4. Good usability. Including the performance of various aspects such as rough production and processing, mechanical processing and heat treatment methods, assembly adjustment, assembly and fixation, lifting and transportation, maintenance and repair.Casting parts are equipment product workpieces obtained through casting, and generally require some mechanical processing and manufacturing to be completed. So, have everyone mastered the standard specifications for casting parts?