Cross roller bearings and cross roller rotary bearings (cross cylindrical roller slewing bearings) are very similar in structure and function, such as in precision, high rigidity, high stable rotation torque, long life and other aspects of excellent performance.On numerical control machine tool rotary table and index plate, nc vertical grinding machine, machine tool direct-drive motor mechanical device, such as in industrial robots, wrist, elbow, shoulder, waist, in areas such as the finger joints and high precision medical equipment, optical equipment and other high-precision processing equipment on a growing number of abandoned the traditional design, and with better precision cross roller bearings.

Cross roller turntable bearing is also called cross roller slewing bearing or cross roller slewing bearing in China.Cross roller disc bearings are often used in bucket turbines, overweight transport machinery, port machinery, mining machinery, park entertainment machines, filling machines, construction machinery and missile launcher and other large rotary devices, plays a very important role in the construction machinery products.Precision crossed cylindrical roller bearing is high precision, strong ability to resist deformation rotation, large carrying capacity and structure design of flexible and a series of advantages, is widely used in industrial robot joints and rotation, nc rotary table, precision testing table, precision equipment, such as optical telescope and large radar antenna.As the core part of precision rotary equipment, rotary disk bearing plays an important role.

Internal structure diagram of cross roller bearing

Cross roller bearing roller generally using cylindrical or conical roller in the roll channel slot inside in the form of cross each other to arrange, by brass retainer or engineering plastic isolation between roller spacing block, which has high rotating accuracy, the appearance of large bearing capacity, small size and high rotation speed and rigidity, and has a wide range of USES.Cross roller bearings are suitable for industrial robot joints, CNC turntable, DD motor, medical equipment and other fields.

Luoyang mingde cross roller bearing advantages

1, cross roller bearings can be easily assembled in all directions of the spindle, through standardization and serialization to achieve mass production, assembly and use is more convenient.

2. Cross roller bearings can bear both radial and axial loads, so cross roller bearings can be much simpler than multiple sets of combined bearings.

3, cross roller bearings due to high rotation efficiency and low heat dissipation, lubrication grease consumption.

4, cross roller bearing radial and axial dimensions can be limited, so save according to space, you can use the space condition size requirements of small precision, high rigidity occasions.

Cross roller disc bearings and cross roller bearings have the advantages of traditional bearings.The following are the characteristics of cross roller disc bearings:

Internal structure drawing of cross roller disc bearing

The cross roller turntable bearing is composed of two seat rings, which is compact in structure, light in weight, high in manufacturing accuracy, small in assembly clearance, and high in installation accuracy.Because the rollers are vertically aligned with each other via spacer retainers on the 90° v-groove rolling surface, this design allows the cross roller disc bearings to withstand large radial, axial, and torque loads in all directions.

Main features of mingde cross roller disc bearing in luoyang:

Firstly, in terms of structure, the cross roller rotary plate bearing is relatively simple. Through a row of cylindrical rolling bodies arranged in a single raceway, considerable axial and radial bearing capacity and overturning moment can be obtained.In addition, the cross-roller turntable bearing will not have contact or lock on one side of the roller, and because the standard cross-roller turntable bearing inner and outer rings are segmented structure, the clearance can be adjusted, even if the pre-pressure is applied, the high-precision rotary motion can be obtained.

Advantages of cross roller rotary disc bearing over ordinary rotary disc bearing:

1. The accuracy level of cross roller rotary disc bearing is much higher than that of ordinary rotary disc bearing, and the radial and axial run-out can be achieved much higher than that of ordinary rotary disc bearing.

2. The rigidity of cross roller rotary disc bearing is much larger than that of ordinary rotary disc bearing, and the running noise is much smaller than that of cross roller bearing. Therefore, in the low-noise working environment, it is better to choose cross roller rotary disc bearing.

3, the structure of cross roller wheel bearing compared with ordinary wheel bearing, crossed roller rotary bearing structure is relatively simple, cross each other by a row in a single channel arrangement of cylindrical roller, you can get considerable bearing axial, radial and overturning bearing capacity, and ordinary guy must pass three row cylindrical roller bearing in three rows of roll channel order, to achieve the same effect.As a result, cross roller disc bearings take up much less space and are lighter than ordinary three-row roller disc bearings.

In terms of structure, cross roller wheel bearing and cross relatively simpler traditional bearing, roller bearing structure through multiple row cylindrical roller, you can get considerable axial, radial and overturning bearing capacity, the structure is relatively simple, and the traditional order must pass through many sets of bearings, can achieve the same effect, in the design and assembly has brought great convenience.Compared with traditional bearings, the structure of cross roller turntable bearing and single row raceway structure of cross roller bearing occupy much less space and greatly reduce the difficulty of assembly.