Popular science for you: types and characteristics of lathe spindle bearings

As we all know, bearings can be used in many industries. As the name suggests, the bearings that are generally applied in the field of lathes are collectively referred to as lathe spindle bearings. So what are the specific types of lathe spindle bearings? The editor generally summarizes it as: angular contact ball bearings, cylindrical roller bearings, deep groove ball bearings and tapered roller bearings. From the characteristics of each category of bearings, the characteristics of different types of bearings used in lathes will be explained one by one: 1. Deep groove ball bearings are generally only used to carry axial loads in the spindle of lathes, because the backlash cannot be adjusted , so it is often used in situations where the precision standard is not high and no preload is required, such as the spindle of a drilling machine. 2. Angular contact ball bearings This type of bearing can bear both axial and radial loads in machine tool applications, because it is easy to cause internal axial force when bearing axial loads, so it is solved for installation applications. This type of bearing has high rotational precision and limit speed ratio, low friction and low temperature rise, and is the most widely used type in lathe spindle bearings. 3. Two-way angular contact ball bearings, this type of bearings can withstand double radial loads in machine tools, have excellent rigidity, low temperature rise during normal lubrication, high speed ratio, and are easy to assemble and disassemble. As a new structure Bearings are mostly used on the spindles of CNC grinding machines, CNC lathes, milling machines, CNC lathes, machine tools, planers, etc., and are often combined with self-aligning bearings and cylindrical roller bearings in applications. They are also more suitable for lathe spindle bearings. Types of. 4. Cylindrical roller bearings This type of bearing can bear axial loads and can be used in occasions where the rotational speed is relatively high in lathe spindle bearings. The multi-row roller bearings in the bearing are arranged in a cross-type manner, and the fluctuation frequency during rotation is doubled compared with the row-type bearings, and the vibration amplitude is reduced by 70%. 5. Tapered roller bearings This type of bearing can bear axial and radial loads, and its limit speed is generally lower than that of cylindrical roller bearings of the same size. Hollow tapered roller bearings can be cooled with oil to enhance the speed ratio. However, the production and manufacturing technology of this type of bearing is complicated, and the requirements for the lubrication technology of CNC lathes are also relatively high. Generally, they are only used on the spindle of horizontal lathes with special requirements. With 35 years of experience in the production of machine tool spindle bearings, the production process is scientific and scientific, and it can support customization!

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