Question:

Slewing bearings, at present,

Luoyang bearing has been claimed to achieve maximum diameter, the maximum record of 6 meters, I would like to ask is, turntable bearings selection and calculation, need 10What are the key technical factors, especially what is most important in the process? People say that heat treatment is the most important.Luoyang bearings, the most state-owned enterprises after the restructuring of many companies that are trustworthy? What are the strengths and the best in quality?

Answer:

Heat treatment is of course important that is your bearing service life, coupled with the use of this condition you bearing teach complex, I guess you must prepare the heat treatment + carbonization + quenching and tempering treatment to ensure quality, and that is the selection of machine problems, according to the requirement that you use to fixed! If you choose a manufacturer, if it is a large enterprise, then it should be guaranteed, and if it is outside the small business is not a problem, but it is not estimated that one can give you a one-time product, so please consider carefully! Wish you success。
Compared with other bearings, slewing bearings have unique bearing characteristics, which are usually used in lifting machines, excavators, rotary tables, wind turbines, telescopes and tank turrets. Through the improvement of machining methods and the renewal of design concept, today's turntable bearings can be applied to smaller, more complex and more precise occasions. In the machine tool industry, the standard structure of turntable bearings adopts high precision grade and applies preload to eliminate clearance and reduce vibration. Bearing radial runout and diameter in the range of 1/1000 to 1/10000 inches (2.54 tan), compact structure, small size of section, and the diameter can be as small as 50 mm (ball size of this type of bearing than the traditional heavy series of slewing bearing steel ball small size). This has prompted designers to reconsider the traditional configuration of bearings. For derrick bearing radial and axial load and torque, the installation configuration using two sets of ball or roller bearings are arranged at intervals along the axis of this configuration is the 2 sets of bearings on the shaft is located remotely to obtain higher torque load capacity. However, for such configurations, it is difficult to adapt to new applications because of the space constraints and the complexity of the installation, which is the advantage of the turntable bearings.

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