Five major characteristics of cross-roller bearings

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    The cross roller bearing consists of two categories, a cross-cylindrical roller bearings, another cross-tapered roller bearing. Crossed roller bearings in a foreign country has a long history of application, but only in the country before entering the mass of the horizon in recent years, the incomparable superiority own characteristics and has other bearings are widely used.
First, the main features ofslewing bearing
1, excellent rotation accuracy
Cross-roller bearing internal structure of the roller was 90 ° perpendicular cross arranged origin of the name (which is also cross-roller bearings), the interval between the roller is equipped with cage or isolation can prevent the tilt of the roller or rollers between mill police, effectively prevent the increase of the rotation torque. In addition, the contact phenomena does not occur roller party or locking phenomenon; because the standard cross-roller bearing inner and outer ring is split structure, the gap can be adjusted, even if the pre-pressure is applied, can obtain high-precision rotary motion.
2, the operation to install simplify
The standard cross-roll er bearing is split into two parts of the outer ring or inner ring load roller and cage, fixed together to achieve the desired load state can fine-tune the connecting bolts and mounting flange installation , so installation is very simple operation.the roller bearing company
3, under large axial and radial load
Interval because of the roller rolling surface was 90 ° V-shaped grooves by retainer mutually perpendicular arrangement, this design the cross-roller bearings can withstand greater radial load, axial load and moment load The direction of the load.
4, significant savings in installation space
Minimal cross roller bearings, inner and outer ring size is small, ultra-thin structure is close to the limit of small size and high rigidity, so the most suitable for industrial robot joints or rotating parts, the rotation of the machining center table, robot rotation Ministry, precision rotary table, medical equipment, measuring equipment, IC manufacturing equipment a wide range of purposes.
5, the type and structure of the derivative is more applicable to a variety of applications
On the basis of the basic cross-roller bearings are derived from the many structural differences in the cross-roller bearings for ease of use to the different requirements of the occasion. From the major categories up points, can be divided into: basic cross-roller bearings, high rigidity cross-roller bearings, ultra-thin cross-roller bearings; up points from the external structure of the inner partition type, the outer ring split type, internal and external a ring size; points from the internal structure, but also can be divided into full complement roller type, metal window-type cage type, nylon or metal isolation block; in accordance with the connection to distinguish between, there are a bolt connection, rivet connection type and spring disc type, etc., a wide range.roller bearing company