ntn bearings in guidance systems and Plain Bearings

2 common Plain Bearings
1, split bearings split bearing, the bearing housings, bearing caps, bushing (divided into upper and lower tile) and connecting bolts and other components. Subdivision bearing surface should be close to vertical loading direction, most bearing surface is split level, there are oblique. Bearing cap and bearing of the subdivision surface often Zuocheng ladder for work positioning and prevention of dislocation. Bearing wear it after the split bearing clearance can be used to reduce the metal plane of bearing pad or scraping with metal way to adjust.
2 common sliding bearing
2, the overall sliding bearings is a common bearing integral to the heart, with bolts and rack connection. Bearing pressed into the hole with a friction material of the bearing (or called the sleeve), top with oil in the bearing cup, sleeve into the hole there, open the inner surface of the axial groove to with lubricating oil lubrication.
Overall the biggest advantage of sliding bearing is to construct a simple, but the bearing surface wear too much work can not be adjusted when the bearing clearance; journal can only end load, which is heavy with the intermediate shaft or journal of the shaft to install the inconvenience, and even not be installed. To overcome these two shortcomings, can be used split bearings.
INA bearings in the guidance system of imports can be divided into the following categories:
1, axis guidance system
Axis guidance system, and the ball rolling or sliding linear guidance system uses very broad. Linear ball bearings with light loads, compact and heavy series. Supporting the track can be solid shaft, hollow shaft or axle and track with support units.
Miniature linear plain guidance systems Miniature linear plain guidance systems for the installation type, do not repair the rail system. Good sliding properties, suitable for dry running, clearance adjustable, anti-chemical impact of good performance.
Miniature Linear sliding rail system when at least one slider as the positioning side. Support the force in all directions - except the direction of movement outside - all around the axis of torque, run-time without stick-slip, low wear, is not sensitive to pollution.
2 wheel roller guidance systems to guide the system is based on modular concept design for a variety of applications of linear guidance systems. As the structure of light, it is suitable for transmission system. Features low noise and high speed operation and modular concept of long distance running.
1) support rail including aluminum rail and materials for the bearing steel, aluminum wedge pressure into the optical axis.
3 Flat cage guidance systems guide arrangement for the fixation of floating, limited travel conditions and require very high load capacity and very smooth operation, we need to use flat cage guidance systems. The track system has a high rigidity, high precision and low friction, especially in linear guide system requirements than other small space.
2) The slide roller guide system includes one or more of aluminum slider, wheel, straight or curved track. Slider with hollow-type, open, compact and with a bogie, suitable for curved, oval, circular orbit.

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