YRT turntable bearing|Precision bearing manufacturer|Turntable bearing|Slewing bearing
YRT150 high-speed turntable bearing assembly structure.
1. The cylindrical hole of the ring gear seat 2 is installed on the outer cylindrical surface of the outer ring of the cross roller bearing 5. The stepped surface of the inner cylindrical countersink of the ring gear seat 2 presses the upper end surface of the outer ring of the cross roller bearing 5. The inner hole of the ring gear 3 is sleeved on the outer cylindrical surface of the ring gear seat 2, and the upper end surface of the ring gear 3 abuts against the lower end surface of the outer shoulder of the ring gear seat 2. The upper end face of the flange 6 is installed on the lower end face of the ring gear seat 2, and the countersunk end face of the flange 6 presses the lower end face of the outer ring of the cross roller bearing 5.
2. The ring gear 3 is axially positioned on the workbench base 7.
| Bearing Type |
Dimensions |
Fixing holes |
| |
d |
D |
B |
H |
b |
D1 |
D2 |
J |
J1 |
Inner Ring |
Outer Ring |
| |
:mm
Unit:mm |
d1 |
d2 |
a |
4)QTY4) |
d3 |
4)QTY4) |
| |
|
mm |
|
mm |
|
| YRTM150 |
150 |
240 |
43* |
26 |
12 |
214 |
215 |
165 |
225 |
7 |
11 |
6.2 |
32 |
7 |
33 |
Auxiliary effect of ferrography analysis of lubricating oil for YRTM150 high-speed turntable bearing on state evaluation of turntable bearing;
In order to judge the running state of bearings more accurately, we apply ferrography analysis technology of lubricating oil. Because the types, shapes and size distributions of visible particles produced by various types of rubbing pairs under their own conditions have their special regularity, it is necessary to establish a set of evaluation standards for bearing fault visible roughness, including visible particle concentration standard and atlas standard, and the methods used are mainly wear trend curve analysis, optical method and spectrum heating method.
Roller turntable bearings do not require fixed flanges or housings. In addition, because it has an integrated inner/outer ring structure and is equipped with washers, its performance is hardly affected by the installation process, thus ensuring stable rotation accuracy and torque. XU series can be used for inner ring rotation and outer ring rotation at the same time. When you choose this kind of bearing, you can contact Luoyang East Axis first and ask for the questionnaire of bearing working condition.
The running of turntable bearings is generally divided into running-in period, normal damage-seeing period and fatigue failure period. In different operation stages, the number and size of abrasive particles in oil samples change due to the differences of lubrication, friction and working conditions. For progressive wear, this change in quantity and size can be used as the basis for judging the running state of rolling bearings. For sudden failure, the size, shape and material of nozzle grinding plant are mainly determined, supplemented by the determination of abrasive grain quantity. This is because there are four gas lift compressor units in our department, which are used to increase the pressure of dry gas, inject it into the annular space of casing and sleeve of oil production well, reduce the density of crude oil, and reduce the wellhead oil pressure difference, so as to improve oil production. The engines are fueled by natural gas and arranged in a 12-cylinder V-shape. The compressor is a horizontally symmetrical four-cylinder three-stage compression structure, and the two compressors are connected by elastic diaphragm couplings (see Figure 1).
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