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What is PPGL?
by admin on 22-10-14
PPGL Manufacturer, Stockholder, supplier, PPGL Exporter In CHINA. 1.General introduction of PPGL PPGL,stands for Pre-painted galvalume steel,is also known as prepainted galvalume steel coil, with a galvalume steel sheet as a substrate. PPGL or pre-painted galvalume steel coil, is coated wi...
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Installation specification process of vibrating screen bearing
by admin on 22-09-16
Installation specification process of vibrating screen bearing Whether the bearing is installed correctly affects the accuracy, life and performance of the bearing, especially the vibrating screen bearing. Therefore, the installation of vibrating screen bearings should be fully studied. Items of ...
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Features and applications of tapered roller bearings
by admin on 22-09-16
Features of tapered roller bearings Tapered roller bearings are separable bearings, the inner and outer rings of the bearing have tapered raceways, and the rollers are truncated. The roller and the raceway are in line contact, which can bear heavier radial and axial combined load, and can also be...
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How to measure bearing axial clearance
by admin on 22-09-06
How to measure bearing axial clearance When selecting bearing clearance, the following aspects should be considered: 1. The working conditions of the bearing, such as load, temperature, speed, etc.; 2. Requirements for bearing performance (rotational accuracy, friction torque, vibration, noise); ...
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Various factors affecting bearing friction factor
by admin on 22-08-24
Various factors affecting bearing friction factor 1. Surface properties Due to pollution, chemical heat treatment, electroplating and lubricants, etc., a very thin surface film (such as oxide film, sulfide film, phosphide film, chloride film, indium film, cadmium film, aluminum film, etc.) is for...
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Introduce the accuracy of precision bearings after installation
by admin on 22-08-24
Introduce the accuracy of precision bearings after installation 1. Accuracy improvement method After the bearing is installed in the main engine, if the radial runout of the main shaft is measured, it can be found that the measured value of each revolution has a certain change; when continuous me...
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Bearing and shaft assembly technology method Bearing heating installation
by admin on 22-08-22
Bearing and shaft assembly technology method Bearing heating installation 1.Heating of rolling bearings Heating fit (installation of cylindrical bore bearings) is a common and labor-saving installation method that uses thermal expansion to convert a tight fit into a loose fit by heating the beari...
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How to reduce vibration and noise of deep groove ball bearings caused by manufacturing factors
by admin on 22-08-22
How to reduce vibration and noise of deep groove ball bearings caused by manufacturing factors At present, the internal structure parameters of deep groove sealed ball bearings in my country are almost the same as those of advanced foreign companies. However, the vibration and noise levels of suc...
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How to identify the quality of the bearing
by admin on 22-08-08
How to identify the quality of the bearing are as follows: 1. Look. Observe the machined surface of the bearing. The surface of the inferior bearing is rough and the chamfering is uneven. The surface of high-quality bearings is delicate and smooth, with even chamfers. 2. Turn. Hold the inner ring...
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