Anhui KORBOR Machinery Co., Ltd.,, founded previously known as Ruian KORBOR Camshaft Manufacturing Co., Ltd. in 1999, was initially located in the automobile and motorcycle parts industry zone of Wenzhou, Zhejiang. It moved to Fuzhou, Fujian in 2005, and moved again to Anqing, Anhui in 2023, and was renamed Anhui KORBOR. Anhui KORBOR Machinery Co., Ltd., is China Wholesale BMW Car Camshaft Suppliers And BMW Car Camshaft Company. It is now located in Susong Economic Development Zone, covering an area of 28,000 square meters, with a plant area of 22,000 square meters, a registered capital of 11 million yuan (about US Dollar 1.4 million), and a total investment of over 100 million yuan. It is one of the top camshaft manufacturers in the country.
The camshaft is a key component in engine. We select high-performance alloys and use heat treatment processes, such as tempering, carburizing and quenching to significantly enhance the strength, hardness and wear resistance of the camshaft, ensuring performance in working environments.
With 25 years of innovation and experience, camshaft is our only focus. Anhui KORBOR Machinery Co., Ltd., is China Wholesale BMW Car Camshaft Company. We have efficient production lines and strict quality management systems, achieving high-precision mass production and ensuring that every batch product has the same quality. We follow the IATF16949:2016 standard, maintain the "zero defect" production concept, implement multi-level and all-round quality control for every link in the production process, and win the favor of the global market with high cost performance and stable quality. With customers all over the world, we have established the strategic cooperation with many brands.
Our team is born for higher standards, and continuously iterating, so that every process contains innovative power. At present, our product covers more than 800 automotive and 600 motorcycle camshaft models. KORBOR provides you with mature technology and diversified solutions to help customers achieve greater success.
Meanwhile, we are committed to environmental protection, ensuring a healthy and safe working environment for employees by reducing waste generation, and requiring all partners in the supply chain to comply with strict environmental protection and labor standards. Regularly audit suppliers to promote the implementation of sustainable production methods throughout the entire chain.
From blank casting to finished products, KORBOR provide 1-stop service for each customer with reliable quality and punctual delivery time. Every year, we deliver more than 2.3 million sets of products to global customers and serve the market with professional capabilities. KORBOR is not only your trusted supplier, but also your ideal partner in the field of automotive and motorcycle engine camshafts. Let us work together to create quality with exquisite craftsmanship.
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1. Selection of high-performance alloys
As a key component of the engine, the selection of materials for the camshaft is crucial. KORBOR is well aware of this. They use a variety of high-performance alloys for the BMW Car Camshaft produced for BMW cars. These alloys have excellent mechanical properties and corrosion resistance and can meet the needs of the engine under various working conditions.
Alloy cast iron: Alloy cast iron is one of the commonly used materials in camshaft manufacturing. It has high strength, high hardness and good wear resistance. KORBOR specially selects alloy cast iron for high-speed camshafts, such as CAC480, to ensure that the camshaft can maintain stable performance and a long service life when running at high speed.
Ductile iron: Ductile iron has excellent toughness and strength, and is suitable for low-speed, heavy-load engines such as single-cylinder internal combustion engines. KORBOR uses specially treated ductile iron, such as the material used in the S195 diesel engine camshaft, to ensure that the camshaft can maintain good mechanical properties under harsh working conditions.
Medium carbon steel: Medium carbon steel has high strength and hardness, maintains a certain toughness, and is suitable for the manufacture of large engine camshafts. KORBOR uses high-quality medium carbon steel, such as the material used in the 6102 engine camshaft, to ensure that the camshaft can maintain stability and durability when subjected to large loads.
2. Application of heat treatment process
In addition to the selection of high-performance alloys, KORBOR also uses a variety of advanced heat treatment processes to further improve the strength, hardness and wear resistance of the camshaft. These heat treatment processes include tempering, carburizing and quenching.
Tempering treatment: Tempering is a heat treatment process in which the quenched workpiece is heated to an appropriate temperature below the critical point AC1, maintained for a certain period of time, and then cooled. Through tempering treatment, KORBOR eliminates the residual stress and brittleness generated during the quenching process, improves the toughness and plasticity of the camshaft, and maintains a high hardness and wear resistance.
Carburizing treatment: Carburizing is the process of placing a low-carbon steel workpiece in a carburizing medium and allowing carbon atoms to penetrate into the surface of the workpiece at high temperature. KORBOR increases the carbon content of the camshaft surface through carburizing treatment, thereby improving the hardness and wear resistance of the surface. The thickness of the carburized layer is usually between 0.8 and 1.2 mm to ensure that the camshaft can maintain stable performance after long-term operation.
Quenching treatment: Quenching is a heat treatment process in which the workpiece is heated to the austenitizing temperature and then cooled at an appropriate cooling rate to cause the workpiece to undergo unstable organizational structure transformation such as martensite in all or a certain range of the cross section. KORBOR adopts high-frequency quenching technology and uses the principle of high-frequency induction heating to quickly heat the camshaft surface to the quenching temperature (usually between 800 and 900°C), and then immediately cools it quickly. This quenching method has the advantages of fast heating speed, uniform heating, and small deformation, and can significantly improve the hardness and wear resistance of the camshaft. High-frequency quenching mainly heats and quenches the surface of the camshaft, which better retains the toughness of the shaft and achieves an optimized combination of surface and internal performance.
3. Improvement of comprehensive performance
Through the selection of high-performance alloys and the application of advanced heat treatment processes, the BMW Car Camshaft produced by KORBOR for BMW has been significantly improved in strength, hardness and wear resistance. These camshafts have excellent fatigue resistance, wear resistance and corrosion resistance, and can maintain stability and reliability under long-term and high-load operation of the engine. KORBOR also ensures that each batch of camshafts has the same high quality level through strict quality control system and production process management.
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