Home > News > Content
UIPI Slewing Bearing Catalog
How Does The Cross Roller Slewing Bearing Fit The Temperature And The Working Environment?
Oct 19, 2017

How does the Cross Roller Slewing Bearing fit the temperature and the working environment?
Cross Roller Slewing Bearing in the machinery industry is known as the "machine joint", is the relative rotation between the two objects, can withstand axial force, radial force, tipping moment of the necessary mechanical transmission of the original.
Cross Roller Rotary Support Rail and Gear Heat Treatment:
The Cross Roller Slewing Bearing is subjected to surface induction hardening, and the quenching hardness ensures that the HRC 55 to 62 can achieve sufficient depth of the hardened layer.
Due to the need for transmission force, the crossed roller is rotatably supported on one of the rings is usually made of teeth. The heat treatment state of the gear is generally normal or quenched and tempered state. Tooth surface can also be quenched in accordance with the requirements of the user, quenching hardness HRC50 ~ 60, and can guarantee sufficient depth. According to the different applications, gear quenching can be divided into full-tooth quenching and single-tooth induction hardening. Single tooth induction hardening can be divided into tooth surface tooth root quenching and tooth surface quenching.
Cross Roller Slewing Bearing to adapt to temperature and working environment:
Cross Roller Slewing Bearing can work in -300C ~ +700C, the user needs to adapt to lower or higher temperature cross roller slewing bearing, our company can carry out special design. Cross roller slewing bearings are used in particularly harsh environments such as maritime climate, dust or abrasive particles, dust, cement, pulverized coal and so on. Special seals, protective devices, and suitable oil trails must be used. So in order to make your bearing a normal role, want to do routine maintenance and maintenance work.
Crossover roller slewing ring and other ordinary bearings are the same, there are rolling body and raceway with a ring, but to be different, cross roller slewing bearing has many different characteristics.
Cross roller slewing bearing larger size, the diameter is usually 0.2-10 meters, and some diameter up to 40 meters.
Cross roller slewing bearing generally have to bear several aspects of the load, not only to bear the axial force, radial force, but also bear a large overturning moment. Therefore, a set of cross-roller slewing ring is often the role of several sets of ordinary rolling bearings.
The running speed of the Cross Roller Slewing Bearing is low, usually below 50 revolutions per minute. In many cases, the Cross Roller Slewing Bearing does not operate continuously, but only in the angle of rotation, the equivalent of the so-called "swing bearing."
In the material and heat treatment and other manufacturing processes, Cross Roller Slewing Bearing and rolling bearings are also very different. Typically, the Cross Roller Slewing Bearing is provided with a ring gear for rotational drive and a sealing device for dustproofing. Installation is different, the Cross Roller Slewing Bearing bearings do not like the ordinary bearing on the mandrel and installed in the bearing box, but the use of screws to be fixed in the upper and lower bearings. Cross roller slewing bearing is a kind of large bearing capable of carrying the integrated load. Because of its shape resembles the plate, it is also called "turntable bearing", which can bear large axial load, radial load and overturning moment, Set of ordinary bearing combination of the use of the function. Generally applicable to withstand the huge overturning moment and the relative rotation of the mechanical equipment, is a highly efficient, high carrying capacity of the combination of bearings.
Therefore, because of the special nature of the crossed roller rotation support itself, therefore, to a greater extent, the Cross Roller Slewing Bearing has been applied in many fields.
Cross Roller Slewing Bearing according to different structural forms can be divided into four-point contact ball Cross Roller Slewing Bearing, double row different diameter ball Cross Roller Slewing Bearing, cross cylindrical roller Cross Roller Slewing Bearing and three rows of cylindrical roller combination Cross Roller Slewing Bearing and other different structural forms; the above-mentioned various types of cross-roller slewing ring according to whether it is teeth, teeth with the distribution of parts are divided into no gear, external gear and internal gear and other different structures.
The crossed roller slewing support can meet the needs of the working host under different load conditions according to the different structural characteristics. Among them, the four-point contact ball cross roller slewing bearing has a high dynamic load capacity, cross cylindrical roller cross roller slewing bearing with a high static load capacity, three rows of cylindrical roller combination cross roller slewing bearing due to the load The ability to improve the direction of the bearing to the height of the direction of a variety of load and respectively by the different raceway and roller group to bear, so under the same force conditions, the cross-roller rotation support diameter can be greatly reduced, and thus make the host more For the compact feature, it is a high carrying capacity of the Cross Roller Slewing Bearing.