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The current situation of products of An Shan Jing Gong Slewing Bearing

Based on management idea of sincere cooperation, mutual promotion, a win-win situation, we will keep enhancing the engineering level of products. Our company has produced slewing bearing for more than 40 years and abundant experiences. By way of modern quality management, we realize and optimize a scientific and effective management of process optimization from research and development of marketing, engineer testing, product design engineering and product design technology to products’ completion. We are able to take over to design and manufacture the standard or non-standard of slewing bearings withinφ300mm~φ10000mm.

We pay attention to learn from others. Based on the attitude of science, practicality, rigor, we try our best to reflect the present demand and the long-run interests of customers in the design of products. In our designs, the structure and load characteristic and so on of all kinds of slewing products are analyzing professionally and finite element by related computer software. The designs of our products are charged from dynamic optimum design to “limit life design”. We synthetically adopt an advanced method of CAD/CAM, concurrent engineering, modular design etc. So we have a huge amount of enhance the design of accuracy and reliability.

For the characteristics of slewing bearings are small section size, big load and bearing transfer ultimate load, we usually use alloy steel of high strength and high quality to manufacture. And the representative steel no. is 42 CrMo. Also according to special requirements of users, we choose special manufacturing materials.

To ensure that the products have high yield compressive strength, we make strict technical parameters to control the forging, the modulation of heart treatment and the other processes. To make sure that the products are eliminated all kinds of defects and reached the specified technical parameters with the standard of forging and heat treatment. To guarantee that the potentiality of materials of slewing bearing rings is used effectively. The yield ratio meets the requirements.

The raceway of slewing bearings is contact rolling element. It bears the axial direction, radial direction and overturning and other comprehensive the key parts of function of force moment. It affected the main performance and long service life of bearing. Our company realizes accuracy of manufacture with high accuracy grinder, large-scale NC (Numerical Control) lathe with 6 meters and the other high-end the deployment of systemic facilities. To ensure the quality of raceway heat treatment, we use the advanced measure, such as NC intermediate frequency induction, heat quenching etc. Our company has 160 kilowatts and 500 kilowatts equipments of intermediate frequency. We first make an experiment about controlling intermediate frequency quenching of raceway. Then we adjust parameters of the data of test-piece. After the work piece passed, we handle induction heat quenching. To ensure that the hardness of raceway and hardening depth are met the requirements of design.

Our company has high precision gears equipments. We can realize to machining the gear shaping less thanφ2500mm and gear hob less than φ3150mm.The products have needed to meet the requirements of heat treatment for the tooth face as well.

Our company has high accuracy and large NC gantry type milling machines for realizing the accurate dividing, drilling and tapping. It guarantees to match up the requirements of installing with high accuracy.

Our company has many experienced and sophisticated technology employees. They carry out inspection for each processing operations. Through the strict and effective management of process of quality, the parts of our products are under control for input-output. To make sure the equipments use the qualified parts. For the assembly of products, our company has inspectors of finished products to follow-up inspection. In order to supervise and inspect that any technical index of finished products are met the requirements.

It’s our sincere show to provide the perfect structure and excellent performance of slewing bearings for customers

Company's Overview Shenyang Steel Ball Co., Ltd. was founded in 1958 and has produced professional steel balls for 50 years. Over the years, ''quality first'' has been our purpose. Our company is located in Shenyang, with convenient transportation. Our company covers an area of 80,000 square meters with construction area of 20,000 square meters and has more than 200 employees and 18 engineers and technicians. Our company is the leading company of producing large steel balls and technology-based balls in China. We have the high reputation and credibility in the steel ball industry. The main products are 19.05mm-200mm. Our ''Triangle'' steel balls and non-standard steel balls of various materials conform to GB/T308-2002 standard and we provide necessary high-quality valve seats and valve balls for pumps in the oil industry. This product replaced the import goods and filled the gap in China. It has got the award of Progress of National Science and Technology. Our ''Triangle'' steel balls support ball bearings and slewing bearings used in large wind power industry, machinery, aerospace, marine, metallurgy, petroleum, chemical industry and national defense industry. They are sold to the USA, Germany, South Korea, Japan and other countries and regions. Our export value accounted to more than 76% of the total production value this year. Our products have participated in and completed the launch of long march series. The launch of large destroyers, offshore oil drilling platforms, nuclear reactor projects, bearing rotating shield plug and other major projects are commended by the State Council and the State Central Military Commission. Our company has made great contribution to China's economic construction and national defense. With the development of market economic system, market competition is more and more intense. Our company has been restructuring our products in recent years. We will pay attention to improving the precision of grade balls and inner quality. We will ensure the reliability and stability of steel balls and prolong the service life of steel balls. In order to do this, we have strengthened the technical building and fulfilled the necessary technology. We improve the management system and implement the best quality control mode. We are catching up the international advanced level of ball manufacturing. Our company persists in ''win-win cooperation'' business philosophy with honesty and trust. We will inherit and develop the fine tradition of manufacturing large balls. In recent year, our company has gone to a new level on production process, technical process, production equipment construction and production capacity. Our business philosophy is ''honest purpose, win-win cooperation''. We adhere to the quality policy of "win by quality, pursuit of perfection, build a band''. We are willing to provide high quality ''Triangle'' steel balls and services. We are looking forward to being one of your faithful friends.

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