Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda

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We thinks what customers think, the urgency of urgency to act in the interests of a customer position of principle, allowing for better quality, lower processing costs, prices are more reasonable, won the new and old customers the support and affirmation for Small Slewing Ring Bearing, Cross Roller Ring Bearing, Slew Bearing Ring Price, Besides, our enterprise sticks to high-quality and fair value, and we also offer you fantastic OEM solutions to several famous brands.
Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda Detail:

Working principle of slewing bearing of tower crane

1. Tower crane implements tower slewing mechanism, which relies on boom slewing to ensure its working coverage.

2. The rotation movement is produced by the upper and lower slewing bearings which are respectively installed on the inner and outer rings of the slewing bearing, and the pinion is driven by the slewing mechanism. The pinion is meshed with the big gear of the slewing bearing to drive the upper slewing bearing to move relative to the lower slewing bearing.

3. Generally, the slewing mechanism is composed of slewing motor, hydraulic coupling, planetary reducer and pinion. In addition, according to the needs, the slewing mechanism is equipped with limit torque limiter, slewing buffer device, slewing limiter and other safety devices.

4. In order to prevent the boom from sliding under the action of strong wind, the slewing mechanism is equipped with a stopper. But in the non working state, the slewing mechanism should allow the boom to rotate freely with the wind.

Generally, light and medium tower cranes are only equipped with one set of slewing mechanism. The heavy tower crane is equipped with two sets of slewing mechanism. Super heavy tower crane is equipped with 3 ~ 4 sets of slewing mechanism according to different lifting capacity and moment of inertia. The stable speed control system and pole changing motor are adopted, which can start and brake smoothly.

tower crane slewing bearing

XZWD slewing bearing Co., Ltd. is a manufacturer specializing in the production of various engineering machinery slewing bearings. It is located in Xuzhou City, Jiangsu Province, the capital of China’s construction machinery, in the same city as XCMG Group. We are very knowledgeable about construction machinery and can provide the most suitable solutions for the majority of factory machinery users. If you have any needs, please contact us.


Product detail pictures:

Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda detail pictures

Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda detail pictures

Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda detail pictures

Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda detail pictures

Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda detail pictures


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We always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Factory wholesale Slewing Bearing Catalog - High quality slewing ring bearing for tower crane – Wanda , The product will supply to all over the world, such as: Lyon, Hyderabad, Durban, We are introduced as a one of the growing manufacture supplier and export of our products. We have a team of dedicated trained professional who take care the quality and timely supply. If you are looking for Good Quality at a good price and timely delivery. Do contact us.

1. Our manufacturing standard is according to machinery standard JB/T2300-2011, we also has been found the efficient Quality Management Systems(QMS) of ISO 9001:2015 and GB/T19001-2008.

2. We devote ourselves to the R &D of customized slewing bearing with high precision,special purpose and requirements.

3. With abundant raw materials and high production efficiency, the company can supply products to customers as quickly as possible and shorten the time for customers to wait for products.

4. Our internal quality control includes first inspection, mutual inspection, in-process quality control and sampling inspection to ensure product quality. The company has complete testing equipment and advanced testing method.

5. Strong after-sales service team, timely solve customer problems, to provide customers with a variety of services.

  • This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.
    5 Stars By Ingrid from Egypt - 2018.12.11 14:13
    Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Raymond from Serbia - 2018.02.21 12:14

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